Merge branch 'main' into SIG-3497

* chore: hide chartmanager when queries are merged

* chore: added histogram panel tests

.devenv/docker/signoz-otel-collector/compose.yaml

@@ -4,7 +4,6 @@ services:
     container_name: signoz-otel-collector-dev
     command:
       - --config=/etc/otel-collector-config.yaml
-      - --feature-gates=-pkg.translator.prometheus.NormalizeName
     volumes:
       - ./otel-collector-config.yaml:/etc/otel-collector-config.yaml
     environment:

.github/CODEOWNERS

@@ -43,6 +43,12 @@
 /pkg/analytics/ @vikrantgupta25
 /pkg/statsreporter/ @vikrantgupta25
 
+# Emailing Owners
+
+/pkg/emailing/ @vikrantgupta25
+/pkg/types/emailtypes/ @vikrantgupta25
+/templates/email/ @vikrantgupta25
+
 # Querier Owners
 
 /pkg/querier/ @srikanthccv

.vscode/settings.json

@@ -14,5 +14,8 @@
 	},
 	"[sql]": {
 		"editor.defaultFormatter": "adpyke.vscode-sql-formatter"
+	},
+	"[html]": {
+		"editor.defaultFormatter": "vscode.html-language-features"
 	}
 }

README.de-de.md

@@ -176,25 +176,6 @@ Wir haben Benchmarks veröffentlicht, die Loki mit SigNoz vergleichen. Schauen S
 Wir ❤️ Beiträge zum Projekt, egal ob große oder kleine. Bitte lies dir zuerst die [CONTRIBUTING.md](CONTRIBUTING.md), durch, bevor du anfängst, Beiträge zu SigNoz zu machen.
 Du bist dir nicht sicher, wie du anfangen sollst? Schreib uns einfach auf dem #contributing Kanal in unserer [slack community](https://signoz.io/slack)
 
-### Unsere Projektbetreuer
-
-#### Backend
-
-- [Ankit Nayan](https://github.com/ankitnayan)
-- [Nityananda Gohain](https://github.com/nityanandagohain)
-- [Srikanth Chekuri](https://github.com/srikanthccv)
-- [Vishal Sharma](https://github.com/makeavish)
-
-#### Frontend
-
-- [Palash Gupta](https://github.com/palashgdev)
-- [Yunus M](https://github.com/YounixM)
-- [Rajat Dabade](https://github.com/Rajat-Dabade)
-
-#### DevOps
-
-- [Prashant Shahi](https://github.com/prashant-shahi)
-
 <br /><br />
 
 ## Dokumentation

README.md

@@ -221,34 +221,6 @@ We ❤️ contributions big or small. Please read [CONTRIBUTING.md](CONTRIBUTING
 
 Not sure how to get started? Just ping us on `#contributing` in our [slack community](https://signoz.io/slack)
 
-### Project maintainers
-
-#### Backend
-
-- [Ankit Nayan](https://github.com/ankitnayan)
-- [Nityananda Gohain](https://github.com/nityanandagohain)
-- [Srikanth Chekuri](https://github.com/srikanthccv)
-- [Vishal Sharma](https://github.com/makeavish)
-- [Shivanshu Raj Shrivastava](https://github.com/shivanshuraj1333)
-- [Ekansh Gupta](https://github.com/eKuG)
-- [Aniket Agarwal](https://github.com/aniketio-ctrl)
-
-#### Frontend
-
-- [Yunus M](https://github.com/YounixM)
-- [Vikrant Gupta](https://github.com/vikrantgupta25)
-- [Sagar Rajput](https://github.com/SagarRajput-7)
-- [Shaheer Kochai](https://github.com/ahmadshaheer)
-- [Amlan Kumar Nandy](https://github.com/amlannandy)
-- [Sahil Khan](https://github.com/sawhil)
-- [Aditya Singh](https://github.com/aks07)
-- [Abhi Kumar](https://github.com/ahrefabhi)
-
-#### DevOps
-
-- [Prashant Shahi](https://github.com/prashant-shahi)
-- [Vibhu Pandey](https://github.com/therealpandey)
-
 <br /><br />
 
 

README.zh-cn.md

@@ -187,25 +187,6 @@ Jaeger 仅仅是一个分布式追踪系统。 但是 SigNoz 可以提供 metric
 
 如果你不知道如何开始？ 只需要在 [slack 社区](https://signoz.io/slack) 通过 `#contributing` 频道联系我们。
 
-### 项目维护人员
-
-#### 后端
-
-- [Ankit Nayan](https://github.com/ankitnayan)
-- [Nityananda Gohain](https://github.com/nityanandagohain)
-- [Srikanth Chekuri](https://github.com/srikanthccv)
-- [Vishal Sharma](https://github.com/makeavish)
-
-#### 前端
-
-- [Palash Gupta](https://github.com/palashgdev)
-- [Yunus M](https://github.com/YounixM)
-- [Rajat Dabade](https://github.com/Rajat-Dabade)
-
-#### 运维开发
-
-- [Prashant Shahi](https://github.com/prashant-shahi)
-
 <br /><br />
 
 ## 文档

conf/example.yaml

@@ -193,6 +193,15 @@ emailing:
   templates:
     # The directory containing the email templates. This directory should contain a list of files defined at pkg/types/emailtypes/template.go.
     directory: /opt/signoz/conf/templates/email
+    format:
+      header:
+        enabled: false
+        logo_url: ""
+      help:
+        enabled: false
+        email: ""
+      footer:
+        enabled: false
   smtp:
     # The SMTP server address.
     address: localhost:25
@@ -285,7 +294,6 @@ flagger:
   config:
     boolean:
       use_span_metrics: true
-      interpolation_enabled: false
       kafka_span_eval: false
     string:
     float:
@@ -300,3 +308,14 @@ user:
       allow_self: true
       # The duration within which a user can reset their password.
       max_token_lifetime: 6h
+  root:
+    # Whether to enable the root user. When enabled, a root user is provisioned
+    # on startup using the email and password below. The root user cannot be
+    # deleted, updated, or have their password changed through the UI.
+    enabled: false
+    # The email address of the root user.
+    email: ""
+    # The password of the root user. Must meet password requirements.
+    password: ""
+    # The name of the organization to create or look up for the root user.
+    org_name: default

deploy/docker-swarm/docker-compose.ha.yaml

@@ -214,7 +214,6 @@ services:
       - --config=/etc/otel-collector-config.yaml
       - --manager-config=/etc/manager-config.yaml
       - --copy-path=/var/tmp/collector-config.yaml
-      - --feature-gates=-pkg.translator.prometheus.NormalizeName
     volumes:
       - ./otel-collector-config.yaml:/etc/otel-collector-config.yaml
       - ../common/signoz/otel-collector-opamp-config.yaml:/etc/manager-config.yaml

deploy/docker-swarm/docker-compose.yaml

@@ -155,7 +155,6 @@ services:
       - --config=/etc/otel-collector-config.yaml
       - --manager-config=/etc/manager-config.yaml
       - --copy-path=/var/tmp/collector-config.yaml
-      - --feature-gates=-pkg.translator.prometheus.NormalizeName
     configs:
       - source: otel-collector-config
         target: /etc/otel-collector-config.yaml

deploy/docker/docker-compose.ha.yaml

@@ -219,7 +219,6 @@ services:
       - --config=/etc/otel-collector-config.yaml
       - --manager-config=/etc/manager-config.yaml
       - --copy-path=/var/tmp/collector-config.yaml
-      - --feature-gates=-pkg.translator.prometheus.NormalizeName
     volumes:
       - ./otel-collector-config.yaml:/etc/otel-collector-config.yaml
       - ../common/signoz/otel-collector-opamp-config.yaml:/etc/manager-config.yaml

deploy/docker/docker-compose.yaml

@@ -150,7 +150,6 @@ services:
       - --config=/etc/otel-collector-config.yaml
       - --manager-config=/etc/manager-config.yaml
       - --copy-path=/var/tmp/collector-config.yaml
-      - --feature-gates=-pkg.translator.prometheus.NormalizeName
     volumes:
       - ./otel-collector-config.yaml:/etc/otel-collector-config.yaml
       - ../common/signoz/otel-collector-opamp-config.yaml:/etc/manager-config.yaml

docs/api/openapi.yml

@@ -4678,6 +4678,8 @@ components:
           type: string
         id:
           type: string
+        isRoot:
+          type: boolean
         orgId:
           type: string
         role:

ee/query-service/app/api/api.go

@@ -45,7 +45,7 @@ type APIHandler struct {
 }
 
 // NewAPIHandler returns an APIHandler
-func NewAPIHandler(opts APIHandlerOptions, signoz *signoz.SigNoz) (*APIHandler, error) {
+func NewAPIHandler(opts APIHandlerOptions, signoz *signoz.SigNoz, config signoz.Config) (*APIHandler, error) {
 	baseHandler, err := baseapp.NewAPIHandler(baseapp.APIHandlerOpts{
 		Reader:                        opts.DataConnector,
 		RuleManager:                   opts.RulesManager,
@@ -58,7 +58,7 @@ func NewAPIHandler(opts APIHandlerOptions, signoz *signoz.SigNoz) (*APIHandler,
 		Signoz:                        signoz,
 		QuerierAPI:                    querierAPI.NewAPI(signoz.Instrumentation.ToProviderSettings(), signoz.Querier, signoz.Analytics),
 		QueryParserAPI:                queryparser.NewAPI(signoz.Instrumentation.ToProviderSettings(), signoz.QueryParser),
-	})
+	}, config)
 
 	if err != nil {
 		return nil, err

ee/query-service/app/server.go

@@ -175,7 +175,7 @@ func NewServer(config signoz.Config, signoz *signoz.SigNoz) (*Server, error) {
 		GlobalConfig:                  config.Global,
 	}
 
-	apiHandler, err := api.NewAPIHandler(apiOpts, signoz)
+	apiHandler, err := api.NewAPIHandler(apiOpts, signoz, config)
 	if err != nil {
 		return nil, err
 	}

frontend/__mocks__/uplotMock.ts

@@ -12,6 +12,8 @@ export interface MockUPlotInstance {
 export interface MockUPlotPaths {
 	spline: jest.Mock;
 	bars: jest.Mock;
+	linear: jest.Mock;
+	stepped: jest.Mock;
 }
 
 // Create mock instance methods
@@ -23,10 +25,23 @@ const createMockUPlotInstance = (): MockUPlotInstance => ({
 	setSeries: jest.fn(),
 });
 
-// Create mock paths
-const mockPaths: MockUPlotPaths = {
-	spline: jest.fn(),
-	bars: jest.fn(),
+// Path builder: (self, seriesIdx, idx0, idx1) => paths or null
+const createMockPathBuilder = (name: string): jest.Mock =>
+	jest.fn(() => ({
+		name, // To test if the correct pathBuilder is used
+		stroke: jest.fn(),
+		fill: jest.fn(),
+		clip: jest.fn(),
+	}));
+
+// Create mock paths - linear, spline, stepped needed by UPlotSeriesBuilder.getPathBuilder
+const mockPaths = {
+	spline: jest.fn(() => createMockPathBuilder('spline')),
+	bars: jest.fn(() => createMockPathBuilder('bars')),
+	linear: jest.fn(() => createMockPathBuilder('linear')),
+	stepped: jest.fn((opts?: { align?: number }) =>
+		createMockPathBuilder(`stepped-(${opts?.align ?? 0})`),
+	),
 };
 
 // Mock static methods

frontend/package.json

@@ -55,6 +55,7 @@
 		"@signozhq/icons": "0.1.0",
 		"@signozhq/input": "0.0.2",
 		"@signozhq/popover": "0.0.0",
+		"@signozhq/radio-group": "0.0.2",
 		"@signozhq/resizable": "0.0.0",
 		"@signozhq/sonner": "0.1.0",
 		"@signozhq/table": "0.3.7",

frontend/src/api/dashboard/variables/dashboardVariablesQuery.ts

@@ -11,6 +11,7 @@ import {
 
 const dashboardVariablesQuery = async (
 	props: Props,
+	signal?: AbortSignal,
 ): Promise<SuccessResponse<VariableResponseProps> | ErrorResponse> => {
 	try {
 		const { globalTime } = store.getState();
@@ -32,7 +33,7 @@ const dashboardVariablesQuery = async (
 
 		payload.variables = { ...payload.variables, ...timeVariables };
 
-		const response = await axios.post(`/variables/query`, payload);
+		const response = await axios.post(`/variables/query`, payload, { signal });
 
 		return {
 			statusCode: 200,

frontend/src/api/dynamicVariables/getFieldValues.ts

@@ -19,6 +19,7 @@ export const getFieldValues = async (
 	startUnixMilli?: number,
 	endUnixMilli?: number,
 	existingQuery?: string,
+	abortSignal?: AbortSignal,
 ): Promise<SuccessResponseV2<FieldValueResponse>> => {
 	const params: Record<string, string> = {};
 
@@ -47,7 +48,10 @@ export const getFieldValues = async (
 	}
 
 	try {
-		const response = await axios.get('/fields/values', { params });
+		const response = await axios.get('/fields/values', {
+			params,
+			signal: abortSignal,
+		});
 
 		// Normalize values from different types (stringValues, boolValues, etc.)
 		if (response.data?.data?.values) {

frontend/src/api/generated/services/sigNoz.schemas.ts

@@ -1542,6 +1542,10 @@ export interface TypesUserDTO {
 	 * @type string
 	 */
 	id?: string;
+	/**
+	 * @type boolean
+	 */
+	isRoot?: boolean;
 	/**
 	 * @type string
 	 */

frontend/src/api/metricsExplorer/v2/getMetricMetadata.ts

@@ -0,0 +1,29 @@
+import { ApiV2Instance as axios } from 'api';
+import { ErrorResponseHandlerV2 } from 'api/ErrorResponseHandlerV2';
+import { AxiosError } from 'axios';
+import { ErrorResponseV2, ErrorV2Resp, SuccessResponseV2 } from 'types/api';
+import { MetricMetadataResponse } from 'types/api/metricsExplorer/v2/getMetricMetadata';
+
+export const getMetricMetadata = async (
+	metricName: string,
+	signal?: AbortSignal,
+	headers?: Record<string, string>,
+): Promise<SuccessResponseV2<MetricMetadataResponse> | ErrorResponseV2> => {
+	try {
+		const encodedMetricName = encodeURIComponent(metricName);
+		const response = await axios.get(
+			`/metrics/metadata?metricName=${encodedMetricName}`,
+			{
+				signal,
+				headers,
+			},
+		);
+
+		return {
+			httpStatusCode: response.status,
+			data: response.data,
+		};
+	} catch (error) {
+		return ErrorResponseHandlerV2(error as AxiosError<ErrorV2Resp>);
+	}
+};

frontend/src/api/v5/queryRange/convertV5Response.test.ts

@@ -73,7 +73,7 @@ describe('convertV5ResponseToLegacy', () => {
 		const v5Data: QueryRangeResponseV5 = {
 			type: 'time_series',
 			data: { results: [timeSeries] },
-			meta: { rowsScanned: 0, bytesScanned: 0, durationMs: 0 },
+			meta: { rowsScanned: 0, bytesScanned: 0, durationMs: 0, stepIntervals: {} },
 		};
 
 		const params = makeBaseParams('time_series', [
@@ -156,7 +156,7 @@ describe('convertV5ResponseToLegacy', () => {
 		const v5Data: QueryRangeResponseV5 = {
 			type: 'scalar',
 			data: { results: [scalar] },
-			meta: { rowsScanned: 0, bytesScanned: 0, durationMs: 0 },
+			meta: { rowsScanned: 0, bytesScanned: 0, durationMs: 0, stepIntervals: {} },
 		};
 
 		const params = makeBaseParams('scalar', [
@@ -239,7 +239,7 @@ describe('convertV5ResponseToLegacy', () => {
 		const v5Data: QueryRangeResponseV5 = {
 			type: 'scalar',
 			data: { results: [scalar] },
-			meta: { rowsScanned: 0, bytesScanned: 0, durationMs: 0 },
+			meta: { rowsScanned: 0, bytesScanned: 0, durationMs: 0, stepIntervals: {} },
 		};
 
 		const params = makeBaseParams('scalar', [

frontend/src/api/v5/queryRange/convertV5Response.ts

@@ -388,6 +388,7 @@ export function convertV5ResponseToLegacy(
 					warnings: v5Data?.data?.warning || [],
 				},
 				warning: v5Data?.warning || undefined,
+				meta: v5Data?.meta,
 			},
 			warning: v5Data?.warning || undefined,
 		};
@@ -406,6 +407,7 @@ export function convertV5ResponseToLegacy(
 		payload: {
 			data: convertedData,
 			warning: v5Response.payload?.data?.warning || undefined,
+			meta: v5Data?.meta,
 		},
 	};
 

frontend/src/auto-import-registry.d.ts

@@ -21,6 +21,7 @@ import '@signozhq/design-tokens';
 import '@signozhq/icons';
 import '@signozhq/input';
 import '@signozhq/popover';
+import '@signozhq/radio-group';
 import '@signozhq/resizable';
 import '@signozhq/sonner';
 import '@signozhq/table';

frontend/src/components/NewSelect/CustomMultiSelect.tsx

@@ -73,6 +73,7 @@ const CustomMultiSelect: React.FC<CustomMultiSelectProps> = ({
 	enableRegexOption = false,
 	isDynamicVariable = false,
 	showRetryButton = true,
+	waitingMessage,
 	...rest
 }) => {
 	// ===== State & Refs =====
@@ -1681,6 +1682,7 @@ const CustomMultiSelect: React.FC<CustomMultiSelectProps> = ({
 					{!loading &&
 						!errorMessage &&
 						!noDataMessage &&
+						!waitingMessage &&
 						!(showIncompleteDataMessage && isScrolledToBottom) && (
 							<section className="navigate">
 								<ArrowDown size={8} className="icons" />
@@ -1698,7 +1700,17 @@ const CustomMultiSelect: React.FC<CustomMultiSelectProps> = ({
 							<div className="navigation-text">Refreshing values...</div>
 						</div>
 					)}
-					{errorMessage && !loading && (
+					{!loading && waitingMessage && (
+						<div className="navigation-loading">
+							<div className="navigation-icons">
+								<LoadingOutlined />
+							</div>
+							<div className="navigation-text" title={waitingMessage}>
+								{waitingMessage}
+							</div>
+						</div>
+					)}
+					{errorMessage && !loading && !waitingMessage && (
 						<div className="navigation-error">
 							<div className="navigation-text">
 								{errorMessage || SOMETHING_WENT_WRONG}
@@ -1720,6 +1732,7 @@ const CustomMultiSelect: React.FC<CustomMultiSelectProps> = ({
 					{showIncompleteDataMessage &&
 						isScrolledToBottom &&
 						!loading &&
+						!waitingMessage &&
 						!errorMessage && (
 							<div className="navigation-text-incomplete">
 								Don&apos;t see the value? Use search
@@ -1762,6 +1775,7 @@ const CustomMultiSelect: React.FC<CustomMultiSelectProps> = ({
 		isDarkMode,
 		isDynamicVariable,
 		showRetryButton,
+		waitingMessage,
 	]);
 
 	// Custom handler for dropdown visibility changes

frontend/src/components/NewSelect/CustomSelect.tsx

@@ -63,6 +63,7 @@ const CustomSelect: React.FC<CustomSelectProps> = ({
 	showIncompleteDataMessage = false,
 	showRetryButton = true,
 	isDynamicVariable = false,
+	waitingMessage,
 	...rest
 }) => {
 	// ===== State & Refs =====
@@ -568,6 +569,7 @@ const CustomSelect: React.FC<CustomSelectProps> = ({
 					{!loading &&
 						!errorMessage &&
 						!noDataMessage &&
+						!waitingMessage &&
 						!(showIncompleteDataMessage && isScrolledToBottom) && (
 							<section className="navigate">
 								<ArrowDown size={8} className="icons" />
@@ -583,6 +585,16 @@ const CustomSelect: React.FC<CustomSelectProps> = ({
 							<div className="navigation-text">Refreshing values...</div>
 						</div>
 					)}
+					{!loading && waitingMessage && (
+						<div className="navigation-loading">
+							<div className="navigation-icons">
+								<LoadingOutlined />
+							</div>
+							<div className="navigation-text" title={waitingMessage}>
+								{waitingMessage}
+							</div>
+						</div>
+					)}
 					{errorMessage && !loading && (
 						<div className="navigation-error">
 							<div className="navigation-text">
@@ -605,6 +617,7 @@ const CustomSelect: React.FC<CustomSelectProps> = ({
 					{showIncompleteDataMessage &&
 						isScrolledToBottom &&
 						!loading &&
+						!waitingMessage &&
 						!errorMessage && (
 							<div className="navigation-text-incomplete">
 								Don&apos;t see the value? Use search
@@ -641,6 +654,7 @@ const CustomSelect: React.FC<CustomSelectProps> = ({
 		showRetryButton,
 		isDarkMode,
 		isDynamicVariable,
+		waitingMessage,
 	]);
 
 	// Handle dropdown visibility changes

frontend/src/components/NewSelect/__test__/VariableItem.integration.test.tsx

@@ -78,12 +78,10 @@ function TestWrapper({ children }: { children: React.ReactNode }): JSX.Element {
 describe('VariableItem Integration Tests', () => {
 	let user: ReturnType<typeof userEvent.setup>;
 	let mockOnValueUpdate: jest.Mock;
-	let mockSetVariablesToGetUpdated: jest.Mock;
 
 	beforeEach(() => {
 		user = userEvent.setup();
 		mockOnValueUpdate = jest.fn();
-		mockSetVariablesToGetUpdated = jest.fn();
 		jest.clearAllMocks();
 	});
 
@@ -102,9 +100,6 @@ describe('VariableItem Integration Tests', () => {
 						variableData={variable}
 						existingVariables={{}}
 						onValueUpdate={mockOnValueUpdate}
-						variablesToGetUpdated={[]}
-						setVariablesToGetUpdated={mockSetVariablesToGetUpdated}
-						dependencyData={null}
 					/>
 				</TestWrapper>,
 			);
@@ -150,9 +145,6 @@ describe('VariableItem Integration Tests', () => {
 						variableData={variable}
 						existingVariables={{}}
 						onValueUpdate={mockOnValueUpdate}
-						variablesToGetUpdated={[]}
-						setVariablesToGetUpdated={mockSetVariablesToGetUpdated}
-						dependencyData={null}
 					/>
 				</TestWrapper>,
 			);
@@ -195,9 +187,6 @@ describe('VariableItem Integration Tests', () => {
 						variableData={variable}
 						existingVariables={{}}
 						onValueUpdate={mockOnValueUpdate}
-						variablesToGetUpdated={[]}
-						setVariablesToGetUpdated={mockSetVariablesToGetUpdated}
-						dependencyData={null}
 					/>
 				</TestWrapper>,
 			);
@@ -247,9 +236,6 @@ describe('VariableItem Integration Tests', () => {
 						variableData={variable}
 						existingVariables={{}}
 						onValueUpdate={mockOnValueUpdate}
-						variablesToGetUpdated={[]}
-						setVariablesToGetUpdated={mockSetVariablesToGetUpdated}
-						dependencyData={null}
 					/>
 				</TestWrapper>,
 			);
@@ -272,9 +258,6 @@ describe('VariableItem Integration Tests', () => {
 						variableData={variable}
 						existingVariables={{}}
 						onValueUpdate={mockOnValueUpdate}
-						variablesToGetUpdated={[]}
-						setVariablesToGetUpdated={mockSetVariablesToGetUpdated}
-						dependencyData={null}
 					/>
 				</TestWrapper>,
 			);
@@ -308,9 +291,6 @@ describe('VariableItem Integration Tests', () => {
 						variableData={variable}
 						existingVariables={{}}
 						onValueUpdate={mockOnValueUpdate}
-						variablesToGetUpdated={[]}
-						setVariablesToGetUpdated={mockSetVariablesToGetUpdated}
-						dependencyData={null}
 					/>
 				</TestWrapper>,
 			);
@@ -344,9 +324,6 @@ describe('VariableItem Integration Tests', () => {
 						variableData={variable}
 						existingVariables={{}}
 						onValueUpdate={mockOnValueUpdate}
-						variablesToGetUpdated={[]}
-						setVariablesToGetUpdated={mockSetVariablesToGetUpdated}
-						dependencyData={null}
 					/>
 				</TestWrapper>,
 			);
@@ -369,9 +346,6 @@ describe('VariableItem Integration Tests', () => {
 						variableData={variable}
 						existingVariables={{}}
 						onValueUpdate={mockOnValueUpdate}
-						variablesToGetUpdated={[]}
-						setVariablesToGetUpdated={mockSetVariablesToGetUpdated}
-						dependencyData={null}
 					/>
 				</TestWrapper>,
 			);
@@ -405,9 +379,6 @@ describe('VariableItem Integration Tests', () => {
 						variableData={variable}
 						existingVariables={{}}
 						onValueUpdate={mockOnValueUpdate}
-						variablesToGetUpdated={[]}
-						setVariablesToGetUpdated={mockSetVariablesToGetUpdated}
-						dependencyData={null}
 					/>
 				</TestWrapper>,
 			);
@@ -461,9 +432,6 @@ describe('VariableItem Integration Tests', () => {
 						variableData={variable}
 						existingVariables={{}}
 						onValueUpdate={mockOnValueUpdate}
-						variablesToGetUpdated={[]}
-						setVariablesToGetUpdated={mockSetVariablesToGetUpdated}
-						dependencyData={null}
 					/>
 				</TestWrapper>,
 			);
@@ -508,9 +476,6 @@ describe('VariableItem Integration Tests', () => {
 						variableData={variable}
 						existingVariables={{}}
 						onValueUpdate={mockOnValueUpdate}
-						variablesToGetUpdated={[]}
-						setVariablesToGetUpdated={mockSetVariablesToGetUpdated}
-						dependencyData={null}
 					/>
 				</TestWrapper>,
 			);
@@ -548,9 +513,6 @@ describe('VariableItem Integration Tests', () => {
 						variableData={variable}
 						existingVariables={{}}
 						onValueUpdate={mockOnValueUpdate}
-						variablesToGetUpdated={[]}
-						setVariablesToGetUpdated={mockSetVariablesToGetUpdated}
-						dependencyData={null}
 					/>
 				</TestWrapper>,
 			);
@@ -582,9 +544,6 @@ describe('VariableItem Integration Tests', () => {
 						variableData={variable}
 						existingVariables={{}}
 						onValueUpdate={mockOnValueUpdate}
-						variablesToGetUpdated={[]}
-						setVariablesToGetUpdated={mockSetVariablesToGetUpdated}
-						dependencyData={null}
 					/>
 				</TestWrapper>,
 			);

frontend/src/components/NewSelect/types.ts

@@ -30,6 +30,7 @@ export interface CustomSelectProps extends Omit<SelectProps, 'options'> {
 	showIncompleteDataMessage?: boolean;
 	showRetryButton?: boolean;
 	isDynamicVariable?: boolean;
+	waitingMessage?: string;
 }
 
 export interface CustomTagProps {
@@ -66,4 +67,5 @@ export interface CustomMultiSelectProps
 	enableRegexOption?: boolean;
 	isDynamicVariable?: boolean;
 	showRetryButton?: boolean;
+	waitingMessage?: string;
 }

frontend/src/components/QueryBuilderV2/QueryV2/QuerySearch/QuerySearch.tsx

@@ -86,6 +86,7 @@ interface QuerySearchProps {
 	signalSource?: string;
 	hardcodedAttributeKeys?: QueryKeyDataSuggestionsProps[];
 	onRun?: (query: string) => void;
+	showFilterSuggestionsWithoutMetric?: boolean;
 }
 
 function QuerySearch({
@@ -96,6 +97,7 @@ function QuerySearch({
 	onRun,
 	signalSource,
 	hardcodedAttributeKeys,
+	showFilterSuggestionsWithoutMetric,
 }: QuerySearchProps): JSX.Element {
 	const isDarkMode = useIsDarkMode();
 	const [valueSuggestions, setValueSuggestions] = useState<any[]>([]);
@@ -252,7 +254,8 @@ function QuerySearch({
 		async (searchText?: string): Promise<void> => {
 			if (
 				dataSource === DataSource.METRICS &&
-				!queryData.aggregateAttribute?.key
+				!queryData.aggregateAttribute?.key &&
+				!showFilterSuggestionsWithoutMetric
 			) {
 				setKeySuggestions([]);
 				return;
@@ -301,6 +304,7 @@ function QuerySearch({
 			queryData.aggregateAttribute?.key,
 			signalSource,
 			hardcodedAttributeKeys,
+			showFilterSuggestionsWithoutMetric,
 		],
 	);
 
@@ -1562,6 +1566,7 @@ QuerySearch.defaultProps = {
 	hardcodedAttributeKeys: undefined,
 	placeholder:
 		"Enter your filter query (e.g., http.status_code >= 500 AND service.name = 'frontend')",
+	showFilterSuggestionsWithoutMetric: false,
 };
 
 export default QuerySearch;

frontend/src/components/QuickFilters/QuickFilters.tsx

@@ -282,11 +282,11 @@ export default function QuickFilters(props: IQuickFiltersProps): JSX.Element {
 						size="small"
 						style={{ marginLeft: 'auto' }}
 						checked={showIP ?? true}
-						onClick={(): void => {
+						onChange={(checked): void => {
 							logEvent('API Monitoring: Show IP addresses clicked', {
-								showIP: !(showIP ?? true),
+								showIP: checked,
 							});
-							setParams({ showIP });
+							setParams({ showIP: checked });
 						}}
 					/>
 				</div>

frontend/src/components/QuickFilters/tests/QuickFilters.test.tsx

@@ -1,4 +1,8 @@
 import { ENVIRONMENT } from 'constants/env';
+import {
+	ApiMonitoringParams,
+	useApiMonitoringParams,
+} from 'container/ApiMonitoring/queryParams';
 import { useQueryBuilder } from 'hooks/queryBuilder/useQueryBuilder';
 import {
 	otherFiltersResponse,
@@ -18,10 +22,15 @@ import { QuickFiltersConfig } from './constants';
 jest.mock('hooks/queryBuilder/useQueryBuilder', () => ({
 	useQueryBuilder: jest.fn(),
 }));
+jest.mock('container/ApiMonitoring/queryParams');
 
 const handleFilterVisibilityChange = jest.fn();
 const redirectWithQueryBuilderData = jest.fn();
 const putHandler = jest.fn();
+const mockSetApiMonitoringParams = jest.fn() as jest.MockedFunction<
+	(newParams: Partial<ApiMonitoringParams>, replace?: boolean) => void
+>;
+const mockUseApiMonitoringParams = jest.mocked(useApiMonitoringParams);
 
 const BASE_URL = ENVIRONMENT.baseURL;
 const SIGNAL = SignalType.LOGS;
@@ -84,6 +93,28 @@ TestQuickFilters.defaultProps = {
 	config: QuickFiltersConfig,
 };
 
+function TestQuickFiltersApiMonitoring({
+	signal = SignalType.LOGS,
+	config = QuickFiltersConfig,
+}: {
+	signal?: SignalType;
+	config?: IQuickFiltersConfig[];
+}): JSX.Element {
+	return (
+		<QuickFilters
+			source={QuickFiltersSource.API_MONITORING}
+			config={config}
+			handleFilterVisibilityChange={handleFilterVisibilityChange}
+			signal={signal}
+		/>
+	);
+}
+
+TestQuickFiltersApiMonitoring.defaultProps = {
+	signal: '',
+	config: QuickFiltersConfig,
+};
+
 beforeAll(() => {
 	server.listen();
 });
@@ -112,6 +143,10 @@ beforeEach(() => {
 		lastUsedQuery: 0,
 		redirectWithQueryBuilderData,
 	});
+	mockUseApiMonitoringParams.mockReturnValue([
+		{ showIP: true } as ApiMonitoringParams,
+		mockSetApiMonitoringParams,
+	]);
 	setupServer();
 });
 
@@ -251,6 +286,24 @@ describe('Quick Filters', () => {
 			);
 		});
 	});
+	it('toggles Show IP addresses and updates API Monitoring params', async () => {
+		const user = userEvent.setup({ pointerEventsCheck: 0 });
+
+		render(<TestQuickFiltersApiMonitoring />);
+
+		// Switch should be rendered and initially checked
+		expect(screen.getByText('Show IP addresses')).toBeInTheDocument();
+		const toggle = screen.getByRole('switch');
+		expect(toggle).toHaveAttribute('aria-checked', 'true');
+
+		await user.click(toggle);
+
+		await waitFor(() => {
+			expect(mockSetApiMonitoringParams).toHaveBeenCalledWith(
+				expect.objectContaining({ showIP: false }),
+			);
+		});
+	});
 });
 
 describe('Quick Filters with custom filters', () => {

frontend/src/container/ApiMonitoring/Explorer/Domains/DomainList.tsx

@@ -1,7 +1,7 @@
 import { useCallback, useEffect, useMemo, useState } from 'react';
 import { useSelector } from 'react-redux';
 import { LoadingOutlined } from '@ant-design/icons';
-import { Spin, Table, Typography } from 'antd';
+import { Spin, Table } from 'antd';
 import logEvent from 'api/common/logEvent';
 import cx from 'classnames';
 import QuerySearch from 'components/QueryBuilderV2/QueryV2/QuerySearch/QuerySearch';
@@ -14,11 +14,13 @@ import { useQueryOperations } from 'hooks/queryBuilder/useQueryBuilderOperations
 import { useShareBuilderUrl } from 'hooks/queryBuilder/useShareBuilderUrl';
 import { useListOverview } from 'hooks/thirdPartyApis/useListOverview';
 import { get } from 'lodash-es';
+import { MoveUpRight } from 'lucide-react';
 import { AppState } from 'store/reducers';
 import { BaseAutocompleteData } from 'types/api/queryBuilder/queryAutocompleteResponse';
 import { HandleChangeQueryDataV5 } from 'types/common/operations.types';
 import { DataSource } from 'types/common/queryBuilder';
 import { GlobalReducer } from 'types/reducer/globalTime';
+import DOCLINKS from 'utils/docLinks';
 
 import { ApiMonitoringHardcodedAttributeKeys } from '../../constants';
 import { DEFAULT_PARAMS, useApiMonitoringParams } from '../../queryParams';
@@ -125,51 +127,67 @@ function DomainList(): JSX.Element {
 					hardcodedAttributeKeys={ApiMonitoringHardcodedAttributeKeys}
 				/>
 			</div>
-			<Table
-				className={cx('api-monitoring-domain-list-table')}
-				dataSource={isFetching || isLoading ? [] : formattedDataForTable}
-				columns={columnsConfig}
-				loading={{
-					spinning: isFetching || isLoading,
-					indicator: <Spin indicator={<LoadingOutlined size={14} spin />} />,
-				}}
-				locale={{
-					emptyText:
-						isFetching || isLoading ? null : (
-							<div className="no-filtered-domains-message-container">
-								<div className="no-filtered-domains-message-content">
-									<img
-										src="/Icons/emptyState.svg"
-										alt="thinking-emoji"
-										className="empty-state-svg"
-									/>
+			{!isFetching && !isLoading && formattedDataForTable.length === 0 && (
+				<div className="no-filtered-domains-message-container">
+					<div className="no-filtered-domains-message-content">
+						<img
+							src="/Icons/emptyState.svg"
+							alt="thinking-emoji"
+							className="empty-state-svg"
+						/>
 
-									<Typography.Text className="no-filtered-domains-message">
-										This query had no results. Edit your query and try again!
-									</Typography.Text>
-								</div>
+						<div className="no-filtered-domains-message">
+							<div className="no-domain-title">
+								No External API calls detected with applied filters.
 							</div>
-						),
-				}}
-				scroll={{ x: true }}
-				tableLayout="fixed"
-				onRow={(record, index): { onClick: () => void; className: string } => ({
-					onClick: (): void => {
-						if (index !== undefined) {
-							const dataIndex = formattedDataForTable.findIndex(
-								(item) => item.key === record.key,
-							);
-							setSelectedDomainIndex(dataIndex);
-							setParams({ selectedDomain: record.domainName });
-							logEvent('API Monitoring: Domain name row clicked', {});
-						}
-					},
-					className: 'expanded-clickable-row',
-				})}
-				rowClassName={(_, index): string =>
-					index % 2 === 0 ? 'table-row-dark' : 'table-row-light'
-				}
-			/>
+							<div className="no-domain-subtitle">
+								Ensure all HTTP client spans are being sent with kind as{' '}
+								<span className="attribute">Client</span> and url set in{' '}
+								<span className="attribute">url.full</span> or{' '}
+								<span className="attribute">http.url</span> attribute.
+							</div>
+							<a
+								href={DOCLINKS.EXTERNAL_API_MONITORING}
+								target="_blank"
+								rel="noreferrer"
+								className="external-api-doc-link"
+							>
+								Learn how External API monitoring works in SigNoz{' '}
+								<MoveUpRight size={14} />
+							</a>
+						</div>
+					</div>
+				</div>
+			)}
+			{(isFetching || isLoading || formattedDataForTable.length > 0) && (
+				<Table
+					className="api-monitoring-domain-list-table"
+					dataSource={isFetching || isLoading ? [] : formattedDataForTable}
+					columns={columnsConfig}
+					loading={{
+						spinning: isFetching || isLoading,
+						indicator: <Spin indicator={<LoadingOutlined size={14} spin />} />,
+					}}
+					scroll={{ x: true }}
+					tableLayout="fixed"
+					onRow={(record, index): { onClick: () => void; className: string } => ({
+						onClick: (): void => {
+							if (index !== undefined) {
+								const dataIndex = formattedDataForTable.findIndex(
+									(item) => item.key === record.key,
+								);
+								setSelectedDomainIndex(dataIndex);
+								setParams({ selectedDomain: record.domainName });
+								logEvent('API Monitoring: Domain name row clicked', {});
+							}
+						},
+						className: 'expanded-clickable-row',
+					})}
+					rowClassName={(_, index): string =>
+						index % 2 === 0 ? 'table-row-dark' : 'table-row-light'
+					}
+				/>
+			)}
 			{selectedDomainIndex !== -1 && (
 				<DomainDetails
 					domainData={formattedDataForTable[selectedDomainIndex]}

frontend/src/container/ApiMonitoring/Explorer/Explorer.styles.scss

@@ -180,10 +180,59 @@
 
 	.no-filtered-domains-message {
 		margin-top: 8px;
+		display: flex;
+		gap: 8px;
+		flex-direction: column;
+
+		.no-domain-title {
+			color: var(--bg-vanilla-100, #fff);
+			font-family: Inter;
+			font-size: 14px;
+			font-style: normal;
+			font-weight: 500;
+			line-height: 20px; /* 142.857% */
+		}
+
+		.no-domain-subtitle {
+			color: var(--bg-vanilla-400, #c0c1c3);
+			font-family: Inter;
+			font-size: 14px;
+			font-style: normal;
+			font-weight: 400;
+			line-height: 20px; /* 142.857% */
+
+			.attribute {
+				font-family: 'Space Mono';
+			}
+		}
+
+		.external-api-doc-link {
+			display: flex;
+			flex-direction: row;
+			gap: 4px;
+			align-items: center;
+		}
 	}
 }
 
 .lightMode {
+	.no-filtered-domains-message-container {
+		.no-filtered-domains-message-content {
+			.no-filtered-domains-message {
+				.no-domain-title {
+					color: var(--text-ink-500);
+				}
+
+				.no-domain-subtitle {
+					color: var(--text-ink-400);
+
+					.attribute {
+						font-family: 'Space Mono';
+					}
+				}
+			}
+		}
+	}
 	.api-monitoring-domain-list-table {
 		.ant-table {
 			.ant-table-thead > tr > th {

frontend/src/container/DashboardContainer/DashboardDescription/Description.styles.scss

@@ -9,74 +9,6 @@
 		padding: 0px;
 	}
 
-	.dashboard-header {
-		border-bottom: 1px solid var(--bg-slate-400);
-		display: flex;
-		justify-content: space-between;
-		gap: 16px;
-		align-items: center;
-		padding: 0 8px;
-		box-sizing: border-box;
-
-		.dashboard-breadcrumbs {
-			width: 100%;
-			height: 48px;
-			display: flex;
-			gap: 6px;
-			align-items: center;
-			max-width: 80%;
-
-			.dashboard-btn {
-				display: flex;
-				align-items: center;
-				color: var(--bg-vanilla-400);
-				font-family: Inter;
-				font-size: 14px;
-				font-style: normal;
-				font-weight: 400;
-				line-height: 20px; /* 142.857% */
-				letter-spacing: -0.07px;
-				padding: 0px;
-				height: 20px;
-			}
-
-			.dashboard-btn:hover {
-				background-color: unset;
-			}
-
-			.id-btn {
-				display: flex;
-				align-items: center;
-				padding: 0px 2px;
-				border-radius: 2px;
-				background: rgba(113, 144, 249, 0.1);
-				color: var(--bg-robin-400);
-				font-family: Inter;
-				font-size: 14px;
-				font-style: normal;
-				font-weight: 400;
-				line-height: 20px; /* 142.857% */
-				height: 20px;
-
-				max-width: calc(100% - 120px);
-
-				span {
-					white-space: nowrap;
-					overflow: hidden;
-					text-overflow: ellipsis;
-				}
-
-				.ant-btn-icon {
-					margin-inline-end: 4px;
-				}
-			}
-			.id-btn:hover {
-				background: rgba(113, 144, 249, 0.1);
-				color: var(--bg-robin-300);
-			}
-		}
-	}
-
 	.dashboard-details {
 		display: flex;
 		justify-content: space-between;
@@ -535,15 +467,6 @@
 	.dashboard-description-container {
 		color: var(--bg-ink-400);
 
-		.dashboard-header {
-			border-bottom: 1px solid var(--bg-vanilla-300);
-			.dashboard-breadcrumbs {
-				.dashboard-btn {
-					color: var(--bg-ink-400);
-				}
-			}
-		}
-
 		.dashboard-details {
 			.left-section {
 				.dashboard-title {

frontend/src/container/DashboardContainer/DashboardDescription/index.tsx

@@ -16,9 +16,7 @@ import {
 } from 'antd';
 import logEvent from 'api/common/logEvent';
 import ConfigureIcon from 'assets/Integrations/ConfigureIcon';
-import HeaderRightSection from 'components/HeaderRightSection/HeaderRightSection';
 import { PANEL_GROUP_TYPES, PANEL_TYPES } from 'constants/queryBuilder';
-import ROUTES from 'constants/routes';
 import { DeleteButton } from 'container/ListOfDashboard/TableComponents/DeleteButton';
 import DateTimeSelectionV2 from 'container/TopNav/DateTimeSelectionV2';
 import { useDashboardVariables } from 'hooks/dashboard/useDashboardVariables';
@@ -27,7 +25,6 @@ import { useUpdateDashboard } from 'hooks/dashboard/useUpdateDashboard';
 import useComponentPermission from 'hooks/useComponentPermission';
 import { useGetTenantLicense } from 'hooks/useGetTenantLicense';
 import { useNotifications } from 'hooks/useNotifications';
-import { useSafeNavigate } from 'hooks/useSafeNavigate';
 import { isEmpty } from 'lodash-es';
 import {
 	Check,
@@ -37,7 +34,6 @@ import {
 	FolderKanban,
 	Fullscreen,
 	Globe,
-	LayoutGrid,
 	LockKeyhole,
 	PenLine,
 	X,
@@ -51,6 +47,7 @@ import { ROLES, USER_ROLES } from 'types/roles';
 import { ComponentTypes } from 'utils/permission';
 import { v4 as uuid } from 'uuid';
 
+import DashboardHeader from '../components/DashboardHeader/DashboardHeader';
 import DashboardGraphSlider from '../ComponentsSlider';
 import DashboardSettings from '../DashboardSettings';
 import { Base64Icons } from '../DashboardSettings/General/utils';
@@ -71,7 +68,6 @@ interface DashboardDescriptionProps {
 
 // eslint-disable-next-line sonarjs/cognitive-complexity
 function DashboardDescription(props: DashboardDescriptionProps): JSX.Element {
-	const { safeNavigate } = useSafeNavigate();
 	const { handle } = props;
 	const {
 		selectedDashboard,
@@ -80,7 +76,6 @@ function DashboardDescription(props: DashboardDescriptionProps): JSX.Element {
 		layouts,
 		setLayouts,
 		isDashboardLocked,
-		listSortOrder,
 		setSelectedDashboard,
 		handleToggleDashboardSlider,
 		setSelectedRowWidgetId,
@@ -292,17 +287,6 @@ function DashboardDescription(props: DashboardDescriptionProps): JSX.Element {
 		});
 	}
 
-	function goToListPage(): void {
-		const urlParams = new URLSearchParams();
-		urlParams.set('columnKey', listSortOrder.columnKey as string);
-		urlParams.set('order', listSortOrder.order as string);
-		urlParams.set('page', listSortOrder.pagination as string);
-		urlParams.set('search', listSortOrder.search as string);
-
-		const generatedUrl = `${ROUTES.ALL_DASHBOARD}?${urlParams.toString()}`;
-		safeNavigate(generatedUrl);
-	}
-
 	const {
 		data: publicDashboardResponse,
 		isLoading: isLoadingPublicDashboardData,
@@ -351,32 +335,7 @@ function DashboardDescription(props: DashboardDescriptionProps): JSX.Element {
 
 	return (
 		<Card className="dashboard-description-container">
-			<div className="dashboard-header">
-				<section className="dashboard-breadcrumbs">
-					<Button
-						type="text"
-						icon={<LayoutGrid size={14} />}
-						className="dashboard-btn"
-						onClick={(): void => goToListPage()}
-					>
-						Dashboard /
-					</Button>
-					<Button type="text" className="id-btn dashboard-name-btn">
-						<img
-							src={image}
-							alt="dashboard-icon"
-							style={{ height: '14px', width: '14px' }}
-						/>
-						{title}
-					</Button>
-				</section>
-
-				<HeaderRightSection
-					enableAnnouncements={false}
-					enableShare
-					enableFeedback
-				/>
-			</div>
+			<DashboardHeader />
 			<section className="dashboard-details">
 				<div className="left-section">
 					<img src={image} alt="dashboard-img" className="dashboard-img" />

frontend/src/container/DashboardContainer/DashboardVariablesSelection/DashboardVariableSelection.tsx

@@ -9,11 +9,15 @@ import {
 import useVariablesFromUrl from 'hooks/dashboard/useVariablesFromUrl';
 import { useDashboard } from 'providers/Dashboard/Dashboard';
 import { initializeDefaultVariables } from 'providers/Dashboard/initializeDefaultVariables';
+import {
+	enqueueDescendantsOfVariable,
+	enqueueFetchOfAllVariables,
+	initializeVariableFetchStore,
+} from 'providers/Dashboard/store/variableFetchStore';
 import { AppState } from 'store/reducers';
 import { IDashboardVariable } from 'types/api/dashboard/getAll';
 import { GlobalReducer } from 'types/reducer/globalTime';
 
-import { onUpdateVariableNode } from './util';
 import VariableItem from './VariableItem';
 
 import './DashboardVariableSelection.styles.scss';
@@ -22,8 +26,6 @@ function DashboardVariableSelection(): JSX.Element | null {
 	const {
 		setSelectedDashboard,
 		updateLocalStorageDashboardVariables,
-		variablesToGetUpdated,
-		setVariablesToGetUpdated,
 	} = useDashboard();
 
 	const { updateUrlVariable, getUrlVariables } = useVariablesFromUrl();
@@ -55,11 +57,14 @@ function DashboardVariableSelection(): JSX.Element | null {
 		[dependencyData?.order],
 	);
 
-	// Trigger refetch when dependency order changes or global time changes
+	// Initialize fetch store then start a new fetch cycle.
+	// Runs on dependency order changes, and time range changes.
 	useEffect(() => {
-		if (dependencyData?.order && dependencyData.order.length > 0) {
-			setVariablesToGetUpdated(dependencyData?.order || []);
-		}
+		const allVariableNames = sortedVariablesArray
+			.map((v) => v.name)
+			.filter((name): name is string => !!name);
+		initializeVariableFetchStore(allVariableNames);
+		enqueueFetchOfAllVariables();
 		// eslint-disable-next-line react-hooks/exhaustive-deps
 	}, [dependencyOrderKey, minTime, maxTime]);
 
@@ -121,29 +126,14 @@ function DashboardVariableSelection(): JSX.Element | null {
 				return prev;
 			});
 
-			if (dependencyData) {
-				const updatedVariables: string[] = [];
-				onUpdateVariableNode(
-					name,
-					dependencyData.graph,
-					dependencyData.order,
-					(node) => updatedVariables.push(node),
-				);
-				setVariablesToGetUpdated((prev) => [
-					...new Set([...prev, ...updatedVariables.filter((v) => v !== name)]),
-				]);
-			} else {
-				setVariablesToGetUpdated((prev) => prev.filter((v) => v !== name));
-			}
+			// Cascade: enqueue query-type descendants for refetching
+			enqueueDescendantsOfVariable(name);
 		},
 		[
-			// This can be removed
 			dashboardVariables,
 			updateLocalStorageDashboardVariables,
-			dependencyData,
 			updateUrlVariable,
 			setSelectedDashboard,
-			setVariablesToGetUpdated,
 		],
 	);
 
@@ -158,9 +148,6 @@ function DashboardVariableSelection(): JSX.Element | null {
 						existingVariables={dashboardVariables}
 						variableData={variable}
 						onValueUpdate={onValueUpdate}
-						variablesToGetUpdated={variablesToGetUpdated}
-						setVariablesToGetUpdated={setVariablesToGetUpdated}
-						dependencyData={dependencyData}
 					/>
 				);
 			})}

frontend/src/container/DashboardContainer/DashboardVariablesSelection/DynamicVariableInput.tsx

@@ -2,18 +2,25 @@ import { memo, useCallback, useMemo, useState } from 'react';
 import { useQuery } from 'react-query';
 import { useSelector } from 'react-redux';
 import { getFieldValues } from 'api/dynamicVariables/getFieldValues';
-import { SOMETHING_WENT_WRONG } from 'constants/api';
 import { DEBOUNCE_DELAY } from 'constants/queryBuilderFilterConfig';
 import { REACT_QUERY_KEY } from 'constants/reactQueryKeys';
+import { useVariableFetchState } from 'hooks/dashboard/useVariableFetchState';
 import useDebounce from 'hooks/useDebounce';
-import { isEmpty } from 'lodash-es';
 import { AppState } from 'store/reducers';
+import { SuccessResponseV2 } from 'types/api';
+import { FieldValueResponse } from 'types/api/dynamicVariables/getFieldValues';
 import { GlobalReducer } from 'types/reducer/globalTime';
 import { isRetryableError as checkIfRetryableError } from 'utils/errorUtils';
 
 import SelectVariableInput from './SelectVariableInput';
 import { useDashboardVariableSelectHelper } from './useDashboardVariableSelectHelper';
-import { getOptionsForDynamicVariable } from './util';
+import {
+	buildExistingDynamicVariableQuery,
+	extractErrorMessage,
+	getOptionsForDynamicVariable,
+	mergeUniqueStrings,
+	settleVariableFetch,
+} from './util';
 import { VariableItemProps } from './VariableItem';
 import { dynamicVariableSelectStrategy } from './variableSelectStrategy/dynamicVariableSelectStrategy';
 
@@ -24,7 +31,6 @@ type DynamicVariableInputProps = Pick<
 	'variableData' | 'onValueUpdate' | 'existingVariables'
 >;
 
-// eslint-disable-next-line sonarjs/cognitive-complexity
 function DynamicVariableInput({
 	variableData,
 	onValueUpdate,
@@ -55,14 +61,8 @@ function DynamicVariableInput({
 
 	const debouncedApiSearchText = useDebounce(apiSearchText, DEBOUNCE_DELAY);
 
-	// Build a memoized list of all currently available option strings (normalized + related)
 	const allAvailableOptionStrings = useMemo(
-		() => [
-			...new Set([
-				...optionsData.map((v) => v.toString()),
-				...relatedValues.map((v) => v.toString()),
-			]),
-		],
+		() => mergeUniqueStrings(optionsData, relatedValues),
 		[optionsData, relatedValues],
 	);
 
@@ -104,67 +104,24 @@ function DynamicVariableInput({
 		(state) => state.globalTime,
 	);
 
-	// existing query is the query made from the other dynamic variables around this one with there current values
-	// for e.g. k8s.namespace.name IN ["zeus", "gene"] AND doc_op_type IN ["test"]
-	// eslint-disable-next-line sonarjs/cognitive-complexity
-	const existingQuery = useMemo(() => {
-		if (!existingVariables || !variableData.dynamicVariablesAttribute) {
-			return '';
-		}
+	const {
+		variableFetchCycleId,
+		isVariableSettled,
+		isVariableFetching,
+		hasVariableFetchedOnce,
+		isVariableWaitingForDependencies,
+		variableDependencyWaitMessage,
+	} = useVariableFetchState(variableData.name || '');
 
-		const queryParts: string[] = [];
-
-		Object.entries(existingVariables).forEach(([, variable]) => {
-			// Skip the current variable being processed
-			if (variable.id === variableData.id) {
-				return;
-			}
-
-			// Only include dynamic variables that have selected values and are not selected as ALL
-			if (
-				variable.type === 'DYNAMIC' &&
-				variable.dynamicVariablesAttribute &&
-				variable.selectedValue &&
-				!isEmpty(variable.selectedValue) &&
-				(variable.showALLOption ? !variable.allSelected : true)
-			) {
-				const attribute = variable.dynamicVariablesAttribute;
-				const values = Array.isArray(variable.selectedValue)
-					? variable.selectedValue
-					: [variable.selectedValue];
-
-				// Filter out empty values and convert to strings
-				const validValues = values
-					.filter((val) => val !== null && val !== undefined && val !== '')
-					.map((val) => val.toString());
-
-				if (validValues.length > 0) {
-					// Format values for query - wrap strings in quotes, keep numbers as is
-					const formattedValues = validValues.map((val) => {
-						// Check if value is a number
-						const numValue = Number(val);
-						if (!Number.isNaN(numValue) && Number.isFinite(numValue)) {
-							return val; // Keep as number
-						}
-						// Escape single quotes and wrap in quotes
-						return `'${val.replace(/'/g, "\\'")}'`;
-					});
-
-					if (formattedValues.length === 1) {
-						queryParts.push(`${attribute} = ${formattedValues[0]}`);
-					} else {
-						queryParts.push(`${attribute} IN [${formattedValues.join(', ')}]`);
-					}
-				}
-			}
-		});
-
-		return queryParts.join(' AND ');
-	}, [
-		existingVariables,
-		variableData.id,
-		variableData.dynamicVariablesAttribute,
-	]);
+	const existingQuery = useMemo(
+		() =>
+			buildExistingDynamicVariableQuery(
+				existingVariables,
+				variableData.id,
+				!!variableData.dynamicVariablesAttribute,
+			),
+		[existingVariables, variableData.id, variableData.dynamicVariablesAttribute],
+	);
 
 	// Wrap the hook's onDropdownVisibleChange to also track isDropdownOpen and handle cleanup
 	const handleSelectDropdownVisibilityChange = useCallback(
@@ -182,6 +139,73 @@ function DynamicVariableInput({
 		[onDropdownVisibleChange, optionsData, originalRelatedValues],
 	);
 
+	const handleQuerySuccess = useCallback(
+		(data: SuccessResponseV2<FieldValueResponse>): void => {
+			const newNormalizedValues = data.data?.normalizedValues || [];
+			const newRelatedValues = data.data?.relatedValues || [];
+
+			if (!debouncedApiSearchText) {
+				setOptionsData(newNormalizedValues);
+				setIsComplete(data.data?.complete || false);
+			}
+			setFilteredOptionsData(newNormalizedValues);
+			setRelatedValues(newRelatedValues);
+			setOriginalRelatedValues(newRelatedValues);
+
+			// Sync temp selection with latest API values when ALL is active and dropdown is open
+			if (variableData.allSelected && isDropdownOpen) {
+				const latestValues = mergeUniqueStrings(
+					newNormalizedValues,
+					newRelatedValues,
+				);
+
+				const currentStrings = Array.isArray(tempSelection)
+					? tempSelection.map((v) => v.toString())
+					: tempSelection
+					? [tempSelection.toString()]
+					: [];
+
+				const areSame =
+					currentStrings.length === latestValues.length &&
+					latestValues.every((v) => currentStrings.includes(v));
+
+				if (!areSame) {
+					setTempSelection(latestValues);
+				}
+			}
+
+			// Apply default if no value is selected (e.g., new variable, first load)
+			if (!debouncedApiSearchText) {
+				applyDefaultIfNeeded(
+					mergeUniqueStrings(newNormalizedValues, newRelatedValues),
+				);
+			}
+
+			settleVariableFetch(variableData.name, 'complete');
+		},
+		[
+			debouncedApiSearchText,
+			variableData.allSelected,
+			variableData.name,
+			isDropdownOpen,
+			tempSelection,
+			setTempSelection,
+			applyDefaultIfNeeded,
+		],
+	);
+
+	const handleQueryError = useCallback(
+		(error: { message?: string } | null): void => {
+			if (error) {
+				setErrorMessage(extractErrorMessage(error));
+				setIsRetryableError(checkIfRetryableError(error));
+			}
+
+			settleVariableFetch(variableData.name, 'failure');
+		},
+		[variableData.name],
+	);
+
 	const { isLoading, refetch } = useQuery(
 		[
 			REACT_QUERY_KEY.DASHBOARD_BY_ID,
@@ -192,13 +216,22 @@ function DynamicVariableInput({
 			debouncedApiSearchText,
 			variableData.dynamicVariablesSource,
 			variableData.dynamicVariablesAttribute,
+			variableFetchCycleId,
 		],
 		{
+			/*
+			 * enabled if
+			 * - we have dynamic variable source and attribute defined (ALWAYS)
+			 * - AND
+			 *   - we're either still fetching variable options
+			 *   - OR
+			 *   - if variable is in idle state and we have already fetched options for it
+			 **/
 			enabled:
-				variableData.type === 'DYNAMIC' &&
 				!!variableData.dynamicVariablesSource &&
-				!!variableData.dynamicVariablesAttribute,
-			queryFn: () =>
+				!!variableData.dynamicVariablesAttribute &&
+				(isVariableFetching || (isVariableSettled && hasVariableFetchedOnce)),
+			queryFn: ({ signal }) =>
 				getFieldValues(
 					variableData.dynamicVariablesSource?.toLowerCase() === 'all telemetry'
 						? undefined
@@ -211,70 +244,10 @@ function DynamicVariableInput({
 					minTime,
 					maxTime,
 					existingQuery,
+					signal,
 				),
-			onSuccess: (data) => {
-				const newNormalizedValues = data.data?.normalizedValues || [];
-				const newRelatedValues = data.data?.relatedValues || [];
-
-				if (!debouncedApiSearchText) {
-					setOptionsData(newNormalizedValues);
-					setIsComplete(data.data?.complete || false);
-				}
-				setFilteredOptionsData(newNormalizedValues);
-				setRelatedValues(newRelatedValues);
-				setOriginalRelatedValues(newRelatedValues);
-
-				// Only run auto-check logic when necessary to avoid performance issues
-				if (variableData.allSelected && isDropdownOpen) {
-					// Build the latest full list from API (normalized + related)
-					const latestValues = [
-						...new Set([
-							...newNormalizedValues.map((v) => v.toString()),
-							...newRelatedValues.map((v) => v.toString()),
-						]),
-					];
-
-					// Update temp selection to exactly reflect latest API values when ALL is active
-					const currentStrings = Array.isArray(tempSelection)
-						? tempSelection.map((v) => v.toString())
-						: tempSelection
-						? [tempSelection.toString()]
-						: [];
-					const areSame =
-						currentStrings.length === latestValues.length &&
-						latestValues.every((v) => currentStrings.includes(v));
-					if (!areSame) {
-						setTempSelection(latestValues);
-					}
-				}
-
-				// Apply default if no value is selected (e.g., new variable, first load)
-				if (!debouncedApiSearchText) {
-					const allNewOptions = [
-						...new Set([
-							...newNormalizedValues.map((v) => v.toString()),
-							...newRelatedValues.map((v) => v.toString()),
-						]),
-					];
-					applyDefaultIfNeeded(allNewOptions);
-				}
-			},
-			onError: (error: any) => {
-				if (error) {
-					let message = SOMETHING_WENT_WRONG;
-					if (error?.message) {
-						message = error?.message;
-					} else {
-						message =
-							'Please make sure configuration is valid and you have required setup and permissions';
-					}
-					setErrorMessage(message);
-
-					// Check if error is retryable (5xx) or not (4xx)
-					const isRetryable = checkIfRetryableError(error);
-					setIsRetryableError(isRetryable);
-				}
-			},
+			onSuccess: handleQuerySuccess,
+			onError: handleQueryError,
 		},
 	);
 
@@ -336,6 +309,8 @@ function DynamicVariableInput({
 			showRetryButton={isRetryableError}
 			showIncompleteDataMessage={!isComplete && filteredOptionsData.length > 0}
 			onSearch={handleSearch}
+			waiting={isVariableWaitingForDependencies}
+			waitingMessage={variableDependencyWaitMessage}
 		/>
 	);
 }

frontend/src/container/DashboardContainer/DashboardVariablesSelection/QueryVariableInput.tsx

@@ -3,8 +3,9 @@ import { useQuery } from 'react-query';
 import { useSelector } from 'react-redux';
 import dashboardVariablesQuery from 'api/dashboard/variables/dashboardVariablesQuery';
 import { REACT_QUERY_KEY } from 'constants/reactQueryKeys';
+import { useVariableFetchState } from 'hooks/dashboard/useVariableFetchState';
 import sortValues from 'lib/dashboardVariables/sortVariableValues';
-import { isArray, isString } from 'lodash-es';
+import { isArray, isEmpty, isString } from 'lodash-es';
 import { AppState } from 'store/reducers';
 import { VariableResponseProps } from 'types/api/dashboard/variables/query';
 import { GlobalReducer } from 'types/reducer/globalTime';
@@ -12,26 +13,18 @@ import { GlobalReducer } from 'types/reducer/globalTime';
 import { variablePropsToPayloadVariables } from '../utils';
 import SelectVariableInput from './SelectVariableInput';
 import { useDashboardVariableSelectHelper } from './useDashboardVariableSelectHelper';
-import { areArraysEqual, checkAPIInvocation } from './util';
+import { areArraysEqual, settleVariableFetch } from './util';
 import { VariableItemProps } from './VariableItem';
 import { queryVariableSelectStrategy } from './variableSelectStrategy/queryVariableSelectStrategy';
 
 type QueryVariableInputProps = Pick<
 	VariableItemProps,
-	| 'variableData'
-	| 'existingVariables'
-	| 'onValueUpdate'
-	| 'variablesToGetUpdated'
-	| 'setVariablesToGetUpdated'
-	| 'dependencyData'
+	'variableData' | 'existingVariables' | 'onValueUpdate'
 >;
 
 function QueryVariableInput({
 	variableData,
 	existingVariables,
-	variablesToGetUpdated,
-	setVariablesToGetUpdated,
-	dependencyData,
 	onValueUpdate,
 }: QueryVariableInputProps): JSX.Element {
 	const [optionsData, setOptionsData] = useState<(string | number | boolean)[]>(
@@ -43,6 +36,15 @@ function QueryVariableInput({
 		(state) => state.globalTime,
 	);
 
+	const {
+		variableFetchCycleId,
+		isVariableSettled,
+		isVariableFetching,
+		hasVariableFetchedOnce,
+		isVariableWaitingForDependencies,
+		variableDependencyWaitMessage,
+	} = useVariableFetchState(variableData.name || '');
+
 	const {
 		tempSelection,
 		setTempSelection,
@@ -60,16 +62,6 @@ function QueryVariableInput({
 		strategy: queryVariableSelectStrategy,
 	});
 
-	const validVariableUpdate = useCallback((): boolean => {
-		if (!variableData.name) {
-			return false;
-		}
-		return Boolean(
-			variablesToGetUpdated.length &&
-				variablesToGetUpdated[0] === variableData.name,
-		);
-	}, [variableData.name, variablesToGetUpdated]);
-
 	const getOptions = useCallback(
 		// eslint-disable-next-line sonarjs/cognitive-complexity
 		(variablesRes: VariableResponseProps | null): void => {
@@ -103,18 +95,24 @@ function QueryVariableInput({
 							valueNotInList = true;
 						}
 
-						// variablesData.allSelected is added for the case where on change of options we need to update the
-						// local storage
-						if (
-							variableData.name &&
-							(validVariableUpdate() || valueNotInList || variableData.allSelected)
-						) {
+						if (variableData.name && (valueNotInList || variableData.allSelected)) {
 							if (
 								variableData.allSelected &&
 								variableData.multiSelect &&
 								variableData.showALLOption
 							) {
-								onValueUpdate(variableData.name, variableData.id, newOptionsData, true);
+								if (
+									variableData.name &&
+									variableData.id &&
+									!isEmpty(variableData.selectedValue)
+								) {
+									onValueUpdate(
+										variableData.name,
+										variableData.id,
+										newOptionsData,
+										true,
+									);
+								}
 
 								// Update tempSelection to maintain ALL state when dropdown is open
 								if (tempSelection !== undefined) {
@@ -132,7 +130,11 @@ function QueryVariableInput({
 										newOptionsData.every((option) => selectedValue.includes(option));
 								}
 
-								if (variableData.name && variableData.id) {
+								if (
+									variableData.name &&
+									variableData.id &&
+									!isEmpty(variableData.selectedValue)
+								) {
 									onValueUpdate(variableData.name, variableData.id, value, allSelected);
 								}
 							}
@@ -141,10 +143,6 @@ function QueryVariableInput({
 						setOptionsData(newOptionsData);
 						// Apply default if no value is selected (e.g., new variable, first load)
 						applyDefaultIfNeeded(newOptionsData);
-					} else {
-						setVariablesToGetUpdated((prev) =>
-							prev.filter((name) => name !== variableData.name),
-						);
 					}
 				}
 			} catch (e) {
@@ -157,8 +155,6 @@ function QueryVariableInput({
 			onValueUpdate,
 			tempSelection,
 			setTempSelection,
-			validVariableUpdate,
-			setVariablesToGetUpdated,
 			applyDefaultIfNeeded,
 		],
 	);
@@ -169,27 +165,28 @@ function QueryVariableInput({
 			variableData.name || '',
 			`${minTime}`,
 			`${maxTime}`,
-			JSON.stringify(dependencyData?.order),
+			variableFetchCycleId,
 		],
 		{
-			enabled:
-				variableData &&
-				checkAPIInvocation(
-					variablesToGetUpdated,
-					variableData,
-					dependencyData?.parentDependencyGraph,
+			/*
+			 * enabled if
+			 *   - we're either still fetching variable options
+			 *   - OR
+			 *   - if variable is in idle state and we have already fetched options for it
+			 **/
+			enabled: isVariableFetching || (isVariableSettled && hasVariableFetchedOnce),
+			queryFn: ({ signal }) =>
+				dashboardVariablesQuery(
+					{
+						query: variableData.queryValue || '',
+						variables: variablePropsToPayloadVariables(existingVariables),
+					},
+					signal,
 				),
-			queryFn: () =>
-				dashboardVariablesQuery({
-					query: variableData.queryValue || '',
-					variables: variablePropsToPayloadVariables(existingVariables),
-				}),
 			refetchOnWindowFocus: false,
 			onSuccess: (response) => {
 				getOptions(response.payload);
-				setVariablesToGetUpdated((prev) =>
-					prev.filter((v) => v !== variableData.name),
-				);
+				settleVariableFetch(variableData.name, 'complete');
 			},
 			onError: (error: {
 				details: {
@@ -206,9 +203,7 @@ function QueryVariableInput({
 					}
 					setErrorMessage(message);
 				}
-				setVariablesToGetUpdated((prev) =>
-					prev.filter((v) => v !== variableData.name),
-				);
+				settleVariableFetch(variableData.name, 'failure');
 			},
 		},
 	);
@@ -242,6 +237,8 @@ function QueryVariableInput({
 			loading={isLoading}
 			errorMessage={errorMessage}
 			onRetry={handleRetry}
+			waiting={isVariableWaitingForDependencies}
+			waitingMessage={variableDependencyWaitMessage}
 		/>
 	);
 }

frontend/src/container/DashboardContainer/DashboardVariablesSelection/SelectVariableInput.tsx

@@ -28,6 +28,8 @@ interface SelectVariableInputProps {
 	showRetryButton?: boolean;
 	showIncompleteDataMessage?: boolean;
 	onSearch?: (searchTerm: string) => void;
+	waiting?: boolean;
+	waitingMessage?: string;
 }
 
 const MAX_TAG_DISPLAY_VALUES = 10;
@@ -65,6 +67,7 @@ function SelectVariableInput({
 	showRetryButton,
 	showIncompleteDataMessage,
 	onSearch,
+	waitingMessage,
 }: SelectVariableInputProps): JSX.Element {
 	const commonProps = useMemo(
 		() => ({
@@ -78,7 +81,6 @@ function SelectVariableInput({
 			className: 'variable-select',
 			popupClassName: 'dropdown-styles',
 			getPopupContainer: popupContainer,
-			style: SelectItemStyle,
 			showSearch: true,
 			bordered: false,
 
@@ -86,6 +88,8 @@ function SelectVariableInput({
 			'data-testid': 'variable-select',
 			onChange,
 			loading,
+			waitingMessage,
+			style: SelectItemStyle,
 			options,
 			errorMessage,
 			onRetry,
@@ -101,6 +105,7 @@ function SelectVariableInput({
 			defaultValue,
 			onChange,
 			loading,
+			waitingMessage,
 			options,
 			value,
 			errorMessage,

frontend/src/container/DashboardContainer/DashboardVariablesSelection/VariableItem.test.tsx

@@ -47,14 +47,6 @@ describe('VariableItem', () => {
 					variableData={mockVariableData}
 					existingVariables={{}}
 					onValueUpdate={mockOnValueUpdate}
-					variablesToGetUpdated={[]}
-					setVariablesToGetUpdated={(): void => {}}
-					dependencyData={{
-						order: [],
-						graph: {},
-						parentDependencyGraph: {},
-						hasCycle: false,
-					}}
 				/>
 			</MockQueryClientProvider>,
 		);
@@ -69,14 +61,6 @@ describe('VariableItem', () => {
 					variableData={mockVariableData}
 					existingVariables={{}}
 					onValueUpdate={mockOnValueUpdate}
-					variablesToGetUpdated={[]}
-					setVariablesToGetUpdated={(): void => {}}
-					dependencyData={{
-						order: [],
-						graph: {},
-						parentDependencyGraph: {},
-						hasCycle: false,
-					}}
 				/>
 			</MockQueryClientProvider>,
 		);
@@ -92,14 +76,6 @@ describe('VariableItem', () => {
 					variableData={mockVariableData}
 					existingVariables={{}}
 					onValueUpdate={mockOnValueUpdate}
-					variablesToGetUpdated={[]}
-					setVariablesToGetUpdated={(): void => {}}
-					dependencyData={{
-						order: [],
-						graph: {},
-						parentDependencyGraph: {},
-						hasCycle: false,
-					}}
 				/>
 			</MockQueryClientProvider>,
 		);
@@ -133,14 +109,6 @@ describe('VariableItem', () => {
 					variableData={mockCustomVariableData}
 					existingVariables={{}}
 					onValueUpdate={mockOnValueUpdate}
-					variablesToGetUpdated={[]}
-					setVariablesToGetUpdated={(): void => {}}
-					dependencyData={{
-						order: [],
-						graph: {},
-						parentDependencyGraph: {},
-						hasCycle: false,
-					}}
 				/>
 			</MockQueryClientProvider>,
 		);
@@ -163,14 +131,6 @@ describe('VariableItem', () => {
 					variableData={customVariableData}
 					existingVariables={{}}
 					onValueUpdate={mockOnValueUpdate}
-					variablesToGetUpdated={[]}
-					setVariablesToGetUpdated={(): void => {}}
-					dependencyData={{
-						order: [],
-						graph: {},
-						parentDependencyGraph: {},
-						hasCycle: false,
-					}}
 				/>
 			</MockQueryClientProvider>,
 		);
@@ -185,14 +145,6 @@ describe('VariableItem', () => {
 					variableData={mockCustomVariableData}
 					existingVariables={{}}
 					onValueUpdate={mockOnValueUpdate}
-					variablesToGetUpdated={[]}
-					setVariablesToGetUpdated={(): void => {}}
-					dependencyData={{
-						order: [],
-						graph: {},
-						parentDependencyGraph: {},
-						hasCycle: false,
-					}}
 				/>
 			</MockQueryClientProvider>,
 		);

frontend/src/container/DashboardContainer/DashboardVariablesSelection/VariableItem.tsx

@@ -1,7 +1,6 @@
 import { memo } from 'react';
 import { InfoCircleOutlined } from '@ant-design/icons';
 import { Tooltip, Typography } from 'antd';
-import { IDependencyData } from 'providers/Dashboard/store/dashboardVariables/dashboardVariablesStoreTypes';
 import { IDashboardVariable } from 'types/api/dashboard/getAll';
 
 import CustomVariableInput from './CustomVariableInput';
@@ -21,18 +20,12 @@ export interface VariableItemProps {
 		allSelected: boolean,
 		haveCustomValuesSelected?: boolean,
 	) => void;
-	variablesToGetUpdated: string[];
-	setVariablesToGetUpdated: React.Dispatch<React.SetStateAction<string[]>>;
-	dependencyData: IDependencyData | null;
 }
 
 function VariableItem({
 	variableData,
 	onValueUpdate,
 	existingVariables,
-	variablesToGetUpdated,
-	setVariablesToGetUpdated,
-	dependencyData,
 }: VariableItemProps): JSX.Element {
 	const { name, description, type: variableType } = variableData;
 
@@ -65,9 +58,6 @@ function VariableItem({
 						variableData={variableData}
 						onValueUpdate={onValueUpdate}
 						existingVariables={existingVariables}
-						variablesToGetUpdated={variablesToGetUpdated}
-						setVariablesToGetUpdated={setVariablesToGetUpdated}
-						dependencyData={dependencyData}
 					/>
 				)}
 				{variableType === 'DYNAMIC' && (

frontend/src/container/DashboardContainer/DashboardVariablesSelection/__test__/DynamicVariableInput.test.tsx

@@ -7,6 +7,19 @@ import { IDashboardVariable } from 'types/api/dashboard/getAll';
 
 import DynamicVariableInput from '../DynamicVariableInput';
 
+// Mock useVariableFetchState to return "fetching" state so useQuery is enabled
+jest.mock('hooks/dashboard/useVariableFetchState', () => ({
+	useVariableFetchState: (): Record<string, unknown> => ({
+		variableFetchCycleId: 0,
+		variableFetchState: 'loading',
+		isVariableSettled: false,
+		isVariableFetching: true,
+		hasVariableFetchedOnce: false,
+		isVariableWaitingForDependencies: false,
+		variableDependencyWaitMessage: '',
+	}),
+}));
+
 // Don't mock the components - use real ones
 
 // Mock for useQuery
@@ -217,9 +230,10 @@ describe('DynamicVariableInput Component', () => {
 				'',
 				'Traces',
 				'service.name',
+				0, // variableFetchCycleId
 			],
 			expect.objectContaining({
-				enabled: true, // Type is 'DYNAMIC'
+				enabled: true, // isVariableFetching is true from mock
 				queryFn: expect.any(Function),
 				onSuccess: expect.any(Function),
 				onError: expect.any(Function),

frontend/src/container/DashboardContainer/DashboardVariablesSelection/__test__/VariableItem.defaulting.behavior.test.tsx

@@ -8,14 +8,6 @@ import '@testing-library/jest-dom/extend-expect';
 import VariableItem from '../VariableItem';
 
 const mockOnValueUpdate = jest.fn();
-const mockSetVariablesToGetUpdated = jest.fn();
-
-const baseDependencyData = {
-	order: [],
-	graph: {},
-	parentDependencyGraph: {},
-	hasCycle: false,
-};
 
 const TEST_VARIABLE_ID = 'test_variable';
 const VARIABLE_SELECT_TESTID = 'variable-select';
@@ -31,9 +23,6 @@ const renderVariableItem = (
 				variableData={variableData}
 				existingVariables={{}}
 				onValueUpdate={mockOnValueUpdate}
-				variablesToGetUpdated={[]}
-				setVariablesToGetUpdated={mockSetVariablesToGetUpdated}
-				dependencyData={baseDependencyData}
 			/>
 		</MockQueryClientProvider>,
 	);

frontend/src/container/DashboardContainer/DashboardVariablesSelection/__test__/dashboardVariables.test.tsx

@@ -2,14 +2,12 @@ import {
 	buildDependencies,
 	buildDependencyGraph,
 	buildParentDependencyGraph,
-	checkAPIInvocation,
 	onUpdateVariableNode,
 	VariableGraph,
 } from '../util';
 import {
 	buildDependenciesMock,
 	buildGraphMock,
-	checkAPIInvocationMock,
 	onUpdateVariableNodeMock,
 } from './mock';
 
@@ -72,97 +70,6 @@ describe('dashboardVariables - utilities and processors', () => {
 		});
 	});
 
-	describe('checkAPIInvocation', () => {
-		const {
-			variablesToGetUpdated,
-			variableData,
-			parentDependencyGraph,
-		} = checkAPIInvocationMock;
-
-		const mockRootElement = {
-			name: 'deployment_environment',
-			key: '036a47cd-9ffc-47de-9f27-0329198964a8',
-			id: '036a47cd-9ffc-47de-9f27-0329198964a8',
-			modificationUUID: '5f71b591-f583-497c-839d-6a1590c3f60f',
-			selectedValue: 'production',
-			type: 'QUERY',
-			// ... other properties omitted for brevity
-		} as any;
-
-		describe('edge cases', () => {
-			it('should return false when variableData is empty', () => {
-				expect(
-					checkAPIInvocation(
-						variablesToGetUpdated,
-						variableData,
-						parentDependencyGraph,
-					),
-				).toBeFalsy();
-			});
-
-			it('should return true when parentDependencyGraph is empty', () => {
-				expect(
-					checkAPIInvocation(variablesToGetUpdated, variableData, {}),
-				).toBeFalsy();
-			});
-		});
-
-		describe('variable sequences', () => {
-			it('should return true for valid sequence', () => {
-				expect(
-					checkAPIInvocation(
-						['k8s_node_name', 'k8s_namespace_name'],
-						variableData,
-						parentDependencyGraph,
-					),
-				).toBeTruthy();
-			});
-
-			it('should return false for invalid sequence', () => {
-				expect(
-					checkAPIInvocation(
-						['k8s_cluster_name', 'k8s_node_name', 'k8s_namespace_name'],
-						variableData,
-						parentDependencyGraph,
-					),
-				).toBeFalsy();
-			});
-
-			it('should return false when variableData is not in sequence', () => {
-				expect(
-					checkAPIInvocation(
-						['deployment_environment', 'service_name', 'endpoint'],
-						variableData,
-						parentDependencyGraph,
-					),
-				).toBeFalsy();
-			});
-		});
-
-		describe('root element behavior', () => {
-			it('should return true for valid root element sequence', () => {
-				expect(
-					checkAPIInvocation(
-						[
-							'deployment_environment',
-							'service_name',
-							'endpoint',
-							'http_status_code',
-						],
-						mockRootElement,
-						parentDependencyGraph,
-					),
-				).toBeTruthy();
-			});
-
-			it('should return true for empty variablesToGetUpdated array', () => {
-				expect(
-					checkAPIInvocation([], mockRootElement, parentDependencyGraph),
-				).toBeTruthy();
-			});
-		});
-	});
-
 	describe('Graph Building Utilities', () => {
 		const { graph } = buildGraphMock;
 		const { variables } = buildDependenciesMock;
@@ -223,10 +130,86 @@ describe('dashboardVariables - utilities and processors', () => {
 					},
 					hasCycle: false,
 					cycleNodes: undefined,
+					transitiveDescendants: {
+						deployment_environment: ['service_name', 'endpoint', 'http_status_code'],
+						endpoint: ['http_status_code'],
+						environment: [],
+						http_status_code: [],
+						k8s_cluster_name: ['k8s_node_name', 'k8s_namespace_name'],
+						k8s_namespace_name: [],
+						k8s_node_name: ['k8s_namespace_name'],
+						service_name: ['endpoint', 'http_status_code'],
+					},
 				};
 
 				expect(buildDependencyGraph(graph)).toEqual(expected);
 			});
+
+			it('should return empty transitiveDescendants for an empty graph', () => {
+				const result = buildDependencyGraph({});
+				expect(result.transitiveDescendants).toEqual({});
+				expect(result.order).toEqual([]);
+				expect(result.hasCycle).toBe(false);
+			});
+
+			it('should compute transitiveDescendants for a linear chain (a -> b -> c)', () => {
+				const linearGraph: VariableGraph = {
+					a: ['b'],
+					b: ['c'],
+					c: [],
+				};
+				const result = buildDependencyGraph(linearGraph);
+				expect(result.transitiveDescendants).toEqual({
+					a: ['b', 'c'],
+					b: ['c'],
+					c: [],
+				});
+			});
+
+			it('should compute transitiveDescendants for a diamond dependency (a -> b, a -> c, b -> d, c -> d)', () => {
+				const diamondGraph: VariableGraph = {
+					a: ['b', 'c'],
+					b: ['d'],
+					c: ['d'],
+					d: [],
+				};
+				const result = buildDependencyGraph(diamondGraph);
+				expect(result.transitiveDescendants.a).toEqual(
+					expect.arrayContaining(['b', 'c', 'd']),
+				);
+				expect(result.transitiveDescendants.a).toHaveLength(3);
+				expect(result.transitiveDescendants.b).toEqual(['d']);
+				expect(result.transitiveDescendants.c).toEqual(['d']);
+				expect(result.transitiveDescendants.d).toEqual([]);
+			});
+
+			it('should handle disconnected components in transitiveDescendants', () => {
+				const disconnectedGraph: VariableGraph = {
+					a: ['b'],
+					b: [],
+					x: ['y'],
+					y: [],
+				};
+				const result = buildDependencyGraph(disconnectedGraph);
+				expect(result.transitiveDescendants.a).toEqual(['b']);
+				expect(result.transitiveDescendants.b).toEqual([]);
+				expect(result.transitiveDescendants.x).toEqual(['y']);
+				expect(result.transitiveDescendants.y).toEqual([]);
+			});
+
+			it('should return empty transitiveDescendants for all leaf nodes', () => {
+				const leafOnlyGraph: VariableGraph = {
+					a: [],
+					b: [],
+					c: [],
+				};
+				const result = buildDependencyGraph(leafOnlyGraph);
+				expect(result.transitiveDescendants).toEqual({
+					a: [],
+					b: [],
+					c: [],
+				});
+			});
 		});
 
 		describe('buildDependencies', () => {

frontend/src/container/DashboardContainer/DashboardVariablesSelection/__test__/mock.ts

@@ -1,36 +1,3 @@
-/* eslint-disable sonarjs/no-duplicate-string */
-export const checkAPIInvocationMock = {
-	variablesToGetUpdated: [],
-	variableData: {
-		name: 'k8s_node_name',
-		key: '4d71d385-beaf-4434-8dbf-c62be68049fc',
-		allSelected: false,
-		customValue: '',
-		description: '',
-		id: '4d71d385-beaf-4434-8dbf-c62be68049fc',
-		modificationUUID: '77233d3c-96d7-4ccb-aa9d-11b04d563068',
-		multiSelect: false,
-		order: 6,
-		queryValue:
-			"SELECT JSONExtractString(labels, 'k8s_node_name') AS k8s_node_name\nFROM signoz_metrics.distributed_time_series_v4_1day\nWHERE metric_name = 'k8s_node_cpu_time' AND JSONExtractString(labels, 'k8s_cluster_name') = {{.k8s_cluster_name}}\nGROUP BY k8s_node_name",
-		selectedValue: 'gke-signoz-saas-si-consumer-bsc-e2sd4-a6d430fa-gvm2',
-		showALLOption: false,
-		sort: 'DISABLED',
-		textboxValue: '',
-		type: 'QUERY',
-	},
-	parentDependencyGraph: {
-		deployment_environment: [],
-		service_name: ['deployment_environment'],
-		endpoint: ['deployment_environment', 'service_name'],
-		http_status_code: ['endpoint'],
-		k8s_cluster_name: [],
-		environment: [],
-		k8s_node_name: ['k8s_cluster_name'],
-		k8s_namespace_name: ['k8s_cluster_name', 'k8s_node_name'],
-	},
-} as any;
-
 export const onUpdateVariableNodeMock = {
 	nodeToUpdate: 'deployment_environment',
 	graph: {

frontend/src/container/DashboardContainer/DashboardVariablesSelection/util.ts

@@ -1,9 +1,16 @@
 import { OptionData } from 'components/NewSelect/types';
-import { isEmpty, isNull } from 'lodash-es';
+import { SOMETHING_WENT_WRONG } from 'constants/api';
+import { textContainsVariableReference } from 'lib/dashboardVariables/variableReference';
+import { isEmpty } from 'lodash-es';
 import {
 	IDashboardVariables,
 	IDependencyData,
 } from 'providers/Dashboard/store/dashboardVariables/dashboardVariablesStoreTypes';
+import {
+	onVariableFetchComplete,
+	onVariableFetchFailure,
+	variableFetchStore,
+} from 'providers/Dashboard/store/variableFetchStore';
 import { IDashboardVariable } from 'types/api/dashboard/getAll';
 
 export function areArraysEqual(
@@ -45,30 +52,16 @@ const getDependentVariablesBasedOnVariableName = (
 	}
 
 	return variables
-		?.map((variable: any) => {
+		.map((variable) => {
 			if (variable.type === 'QUERY') {
-				// Combined pattern for all formats
-				// {{.variable_name}} - original format
-				// $variable_name - dollar prefix format
-				// [[variable_name]] - square bracket format
-				// {{variable_name}} - without dot format
-				const patterns = [
-					`\\{\\{\\s*?\\.${variableName}\\s*?\\}\\}`, // {{.var}}
-					`\\{\\{\\s*${variableName}\\s*\\}\\}`, // {{var}}
-					`\\$${variableName}\\b`, // $var
-					`\\[\\[\\s*${variableName}\\s*\\]\\]`, // [[var]]
-				];
-				const combinedRegex = new RegExp(patterns.join('|'));
-
 				const queryValue = variable.queryValue || '';
-				const dependVarReMatch = queryValue.match(combinedRegex);
-				if (dependVarReMatch !== null && dependVarReMatch.length > 0) {
+				if (textContainsVariableReference(queryValue, variableName)) {
 					return variable.name;
 				}
 			}
 			return null;
 		})
-		.filter((val: string | null) => !isNull(val));
+		.filter((val): val is string => val !== null);
 };
 export type VariableGraph = Record<string, string[]>;
 
@@ -246,10 +239,26 @@ export const buildDependencyGraph = (
 
 	const hasCycle = topologicalOrder.length !== Object.keys(dependencies)?.length;
 
+	// Pre-compute transitive descendants by walking topological order in reverse.
+	// Each node's transitive descendants = direct children + their transitive descendants.
+	const transitiveDescendants: VariableGraph = {};
+	for (let i = topologicalOrder.length - 1; i >= 0; i--) {
+		const node = topologicalOrder[i];
+		const desc = new Set<string>();
+		for (const child of adjList[node] || []) {
+			desc.add(child);
+			for (const d of transitiveDescendants[child] || []) {
+				desc.add(d);
+			}
+		}
+		transitiveDescendants[node] = Array.from(desc);
+	}
+
 	return {
 		order: topologicalOrder,
 		graph: adjList,
 		parentDependencyGraph: buildParentDependencyGraph(adjList),
+		transitiveDescendants,
 		hasCycle,
 		cycleNodes,
 	};
@@ -284,33 +293,6 @@ export const onUpdateVariableNode = (
 	});
 };
 
-export const checkAPIInvocation = (
-	variablesToGetUpdated: string[],
-	variableData: IDashboardVariable,
-	parentDependencyGraph?: VariableGraph,
-): boolean => {
-	if (isEmpty(variableData.name)) {
-		return false;
-	}
-
-	if (isEmpty(parentDependencyGraph)) {
-		return false;
-	}
-
-	// if no dependency then true
-	const haveDependency =
-		parentDependencyGraph?.[variableData.name || '']?.length > 0;
-	if (!haveDependency) {
-		return true;
-	}
-
-	// if variable is in the list and has dependency then check if its the top element in the queue then true else false
-	return (
-		variablesToGetUpdated.length > 0 &&
-		variablesToGetUpdated[0] === variableData.name
-	);
-};
-
 export const getOptionsForDynamicVariable = (
 	normalizedValues: (string | number | boolean)[],
 	relatedValues: string[],
@@ -375,3 +357,130 @@ export const getSelectValue = (
 	}
 	return selectedValue?.toString();
 };
+
+/**
+ * Merges multiple arrays of values into a single deduplicated string array.
+ */
+export function mergeUniqueStrings(
+	...arrays: (string | number | boolean)[][]
+): string[] {
+	return [...new Set(arrays.flatMap((arr) => arr.map((v) => v.toString())))];
+}
+
+function isEligibleFilterVariable(
+	variable: IDashboardVariable,
+	currentVariableId: string,
+): boolean {
+	if (variable.id === currentVariableId) {
+		return false;
+	}
+	if (variable.type !== 'DYNAMIC') {
+		return false;
+	}
+	if (!variable.dynamicVariablesAttribute) {
+		return false;
+	}
+	if (!variable.selectedValue || isEmpty(variable.selectedValue)) {
+		return false;
+	}
+	return !(variable.showALLOption && variable.allSelected);
+}
+
+function formatQueryValue(val: string): string {
+	const numValue = Number(val);
+	if (!Number.isNaN(numValue) && Number.isFinite(numValue)) {
+		return val;
+	}
+	return `'${val.replace(/'/g, "\\'")}'`;
+}
+
+function buildQueryPart(attribute: string, values: string[]): string {
+	const formatted = values.map(formatQueryValue);
+	if (formatted.length === 1) {
+		return `${attribute} = ${formatted[0]}`;
+	}
+	return `${attribute} IN [${formatted.join(', ')}]`;
+}
+
+/**
+ * Builds a filter query string from sibling dynamic variables' selected values.
+ * e.g. `k8s.namespace.name IN ['zeus', 'gene'] AND doc_op_type = 'test'`
+ */
+export function buildExistingDynamicVariableQuery(
+	existingVariables: IDashboardVariables | null,
+	currentVariableId: string,
+	hasDynamicAttribute: boolean,
+): string {
+	if (!existingVariables || !hasDynamicAttribute) {
+		return '';
+	}
+
+	const queryParts: string[] = [];
+
+	for (const variable of Object.values(existingVariables)) {
+		// Skip the current variable being processed
+		if (!isEligibleFilterVariable(variable, currentVariableId)) {
+			continue;
+		}
+
+		const rawValues = Array.isArray(variable.selectedValue)
+			? variable.selectedValue
+			: [variable.selectedValue];
+
+		// Filter out empty values and convert to strings
+		const validValues = rawValues
+			.filter(
+				(val): val is string | number | boolean =>
+					val !== null && val !== undefined && val !== '',
+			)
+			.map((val) => val.toString());
+
+		if (validValues.length > 0 && variable.dynamicVariablesAttribute) {
+			queryParts.push(
+				buildQueryPart(variable.dynamicVariablesAttribute, validValues),
+			);
+		}
+	}
+
+	return queryParts.join(' AND ');
+}
+
+function isVariableInActiveFetchState(state: string | undefined): boolean {
+	return state === 'loading' || state === 'revalidating';
+}
+
+/**
+ * Completes or fails a variable's fetch state machine transition.
+ * No-ops if the variable is not currently in an active fetch state.
+ */
+export function settleVariableFetch(
+	name: string | undefined,
+	outcome: 'complete' | 'failure',
+): void {
+	if (!name) {
+		return;
+	}
+
+	const currentState = variableFetchStore.getSnapshot().states[name];
+	if (!isVariableInActiveFetchState(currentState)) {
+		return;
+	}
+
+	if (outcome === 'complete') {
+		onVariableFetchComplete(name);
+	} else {
+		onVariableFetchFailure(name);
+	}
+}
+
+export function extractErrorMessage(
+	error: { message?: string } | null,
+): string {
+	if (!error) {
+		return SOMETHING_WENT_WRONG;
+	}
+	return (
+		error.message ||
+		'Please make sure configuration is valid and you have required setup and permissions'
+	);
+}

frontend/src/container/DashboardContainer/DashboardVariablesSelection/utils.test.ts

@@ -1,4 +1,31 @@
-import { areArraysEqual, onUpdateVariableNode, VariableGraph } from './util';
+jest.mock('providers/Dashboard/store/variableFetchStore', () => ({
+	variableFetchStore: {
+		getSnapshot: jest.fn(),
+	},
+	onVariableFetchComplete: jest.fn(),
+	onVariableFetchFailure: jest.fn(),
+}));
+
+import {
+	onVariableFetchComplete,
+	onVariableFetchFailure,
+	variableFetchStore,
+} from 'providers/Dashboard/store/variableFetchStore';
+import { IDashboardVariable } from 'types/api/dashboard/getAll';
+
+import {
+	areArraysEqual,
+	buildExistingDynamicVariableQuery,
+	extractErrorMessage,
+	mergeUniqueStrings,
+	onUpdateVariableNode,
+	settleVariableFetch,
+	VariableGraph,
+} from './util';
+
+// ────────────────────────────────────────────────────────────────
+// Existing tests
+// ────────────────────────────────────────────────────────────────
 
 describe('areArraysEqual', () => {
 	it('should return true for equal arrays with same order', () => {
@@ -149,3 +176,348 @@ describe('onUpdateVariableNode', () => {
 		expect(visited).toEqual(['namespace', 'service', 'pod']);
 	});
 });
+
+// ────────────────────────────────────────────────────────────────
+// New tests for functions added in recent commits
+// ────────────────────────────────────────────────────────────────
+
+function makeDynamicVar(
+	overrides: Partial<IDashboardVariable> & { id: string },
+): IDashboardVariable {
+	return {
+		name: overrides.id,
+		description: '',
+		type: 'DYNAMIC',
+		sort: 'DISABLED',
+		multiSelect: false,
+		showALLOption: false,
+		allSelected: false,
+		dynamicVariablesAttribute: 'attr',
+		selectedValue: 'some-value',
+		...overrides,
+	} as IDashboardVariable;
+}
+
+describe('mergeUniqueStrings', () => {
+	it('should merge two arrays and deduplicate', () => {
+		expect(mergeUniqueStrings(['a', 'b'], ['b', 'c'])).toEqual(['a', 'b', 'c']);
+	});
+
+	it('should convert numbers and booleans to strings', () => {
+		expect(mergeUniqueStrings([1, true, 'hello'], [2, false])).toEqual([
+			'1',
+			'true',
+			'hello',
+			'2',
+			'false',
+		]);
+	});
+
+	it('should deduplicate when number and its string form both appear', () => {
+		expect(mergeUniqueStrings([42], ['42'])).toEqual(['42']);
+	});
+
+	it('should handle a single array', () => {
+		expect(mergeUniqueStrings(['x', 'y', 'x'])).toEqual(['x', 'y']);
+	});
+
+	it('should handle three or more arrays', () => {
+		expect(mergeUniqueStrings(['a'], ['b'], ['c'], ['a', 'c'])).toEqual([
+			'a',
+			'b',
+			'c',
+		]);
+	});
+
+	it('should return empty array when no arrays are provided', () => {
+		expect(mergeUniqueStrings()).toEqual([]);
+	});
+
+	it('should return empty array when all input arrays are empty', () => {
+		expect(mergeUniqueStrings([], [], [])).toEqual([]);
+	});
+
+	it('should preserve order of first occurrence', () => {
+		expect(mergeUniqueStrings(['c', 'a'], ['b', 'a'])).toEqual(['c', 'a', 'b']);
+	});
+});
+
+describe('buildExistingDynamicVariableQuery', () => {
+	// --- Guard clauses ---
+	it('should return empty string when existingVariables is null', () => {
+		expect(buildExistingDynamicVariableQuery(null, 'v1', true)).toBe('');
+	});
+
+	it('should return empty string when hasDynamicAttribute is false', () => {
+		const variables = { v2: makeDynamicVar({ id: 'v2' }) };
+		expect(buildExistingDynamicVariableQuery(variables, 'v1', false)).toBe('');
+	});
+
+	// --- Eligibility filtering ---
+	it('should skip the current variable (same id)', () => {
+		const variables = {
+			v1: makeDynamicVar({
+				id: 'v1',
+				dynamicVariablesAttribute: 'ns',
+				selectedValue: 'prod',
+			}),
+		};
+		expect(buildExistingDynamicVariableQuery(variables, 'v1', true)).toBe('');
+	});
+
+	it('should skip non-DYNAMIC variables', () => {
+		const variables = {
+			v2: makeDynamicVar({ id: 'v2', type: 'QUERY' as any }),
+		};
+		expect(buildExistingDynamicVariableQuery(variables, 'v1', true)).toBe('');
+	});
+
+	it('should skip variables without dynamicVariablesAttribute', () => {
+		const variables = {
+			v2: makeDynamicVar({
+				id: 'v2',
+				dynamicVariablesAttribute: undefined,
+				selectedValue: 'val',
+			}),
+		};
+		expect(buildExistingDynamicVariableQuery(variables, 'v1', true)).toBe('');
+	});
+
+	it('should skip variables with null selectedValue', () => {
+		const variables = {
+			v2: makeDynamicVar({ id: 'v2', selectedValue: null }),
+		};
+		expect(buildExistingDynamicVariableQuery(variables, 'v1', true)).toBe('');
+	});
+
+	it('should skip variables with empty string selectedValue', () => {
+		const variables = {
+			v2: makeDynamicVar({ id: 'v2', selectedValue: '' }),
+		};
+		expect(buildExistingDynamicVariableQuery(variables, 'v1', true)).toBe('');
+	});
+
+	it('should skip variables with empty array selectedValue', () => {
+		const variables = {
+			v2: makeDynamicVar({ id: 'v2', selectedValue: [] }),
+		};
+		expect(buildExistingDynamicVariableQuery(variables, 'v1', true)).toBe('');
+	});
+
+	it('should skip variables where showALLOption and allSelected are both true', () => {
+		const variables = {
+			v2: makeDynamicVar({
+				id: 'v2',
+				showALLOption: true,
+				allSelected: true,
+				dynamicVariablesAttribute: 'ns',
+				selectedValue: 'prod',
+			}),
+		};
+		expect(buildExistingDynamicVariableQuery(variables, 'v1', true)).toBe('');
+	});
+
+	it('should include variable with showALLOption true but allSelected false', () => {
+		const variables = {
+			v2: makeDynamicVar({
+				id: 'v2',
+				showALLOption: true,
+				allSelected: false,
+				dynamicVariablesAttribute: 'ns',
+				selectedValue: 'prod',
+			}),
+		};
+		expect(buildExistingDynamicVariableQuery(variables, 'v1', true)).toBe(
+			"ns = 'prod'",
+		);
+	});
+
+	// --- Value formatting ---
+	it('should quote string values in the query', () => {
+		const variables = {
+			v2: makeDynamicVar({
+				id: 'v2',
+				dynamicVariablesAttribute: 'k8s.namespace.name',
+				selectedValue: 'zeus',
+			}),
+		};
+		expect(buildExistingDynamicVariableQuery(variables, 'v1', true)).toBe(
+			"k8s.namespace.name = 'zeus'",
+		);
+	});
+
+	it('should leave numeric values unquoted', () => {
+		const variables = {
+			v2: makeDynamicVar({
+				id: 'v2',
+				dynamicVariablesAttribute: 'http.status_code',
+				selectedValue: '200',
+			}),
+		};
+		expect(buildExistingDynamicVariableQuery(variables, 'v1', true)).toBe(
+			'http.status_code = 200',
+		);
+	});
+
+	it('should escape single quotes in string values', () => {
+		const variables = {
+			v2: makeDynamicVar({
+				id: 'v2',
+				dynamicVariablesAttribute: 'user.name',
+				selectedValue: "O'Brien",
+			}),
+		};
+		expect(buildExistingDynamicVariableQuery(variables, 'v1', true)).toBe(
+			"user.name = 'O\\'Brien'",
+		);
+	});
+
+	it('should build an IN clause for array selectedValue with multiple items', () => {
+		const variables = {
+			v2: makeDynamicVar({
+				id: 'v2',
+				dynamicVariablesAttribute: 'k8s.namespace.name',
+				selectedValue: ['zeus', 'gene'],
+			}),
+		};
+		expect(buildExistingDynamicVariableQuery(variables, 'v1', true)).toBe(
+			"k8s.namespace.name IN ['zeus', 'gene']",
+		);
+	});
+
+	it('should handle mix of numeric and string values in IN clause', () => {
+		const variables = {
+			v2: makeDynamicVar({
+				id: 'v2',
+				dynamicVariablesAttribute: 'http.status_code',
+				selectedValue: ['200', 'unknown'],
+			}),
+		};
+		expect(buildExistingDynamicVariableQuery(variables, 'v1', true)).toBe(
+			"http.status_code IN [200, 'unknown']",
+		);
+	});
+
+	it('should filter out empty string values from array', () => {
+		const variables = {
+			v2: makeDynamicVar({
+				id: 'v2',
+				dynamicVariablesAttribute: 'region',
+				selectedValue: ['us-east', '', 'eu-west'],
+			}),
+		};
+		expect(buildExistingDynamicVariableQuery(variables, 'v1', true)).toBe(
+			"region IN ['us-east', 'eu-west']",
+		);
+	});
+
+	// --- Multiple siblings ---
+	it('should join multiple sibling variables with AND', () => {
+		const variables = {
+			v2: makeDynamicVar({
+				id: 'v2',
+				dynamicVariablesAttribute: 'k8s.namespace.name',
+				selectedValue: ['zeus', 'gene'],
+			}),
+			v3: makeDynamicVar({
+				id: 'v3',
+				dynamicVariablesAttribute: 'doc_op_type',
+				selectedValue: 'test',
+			}),
+		};
+		expect(buildExistingDynamicVariableQuery(variables, 'v1', true)).toBe(
+			"k8s.namespace.name IN ['zeus', 'gene'] AND doc_op_type = 'test'",
+		);
+	});
+
+	it('should return empty string when no variables are eligible', () => {
+		const variables = {
+			v1: makeDynamicVar({ id: 'v1' }), // same as current — skipped
+			v2: makeDynamicVar({ id: 'v2', type: 'QUERY' as any }), // not DYNAMIC
+			v3: makeDynamicVar({ id: 'v3', selectedValue: null }), // no value
+		};
+		expect(buildExistingDynamicVariableQuery(variables, 'v1', true)).toBe('');
+	});
+});
+
+describe('settleVariableFetch', () => {
+	const mockGetSnapshot = variableFetchStore.getSnapshot as jest.Mock;
+	const mockComplete = onVariableFetchComplete as jest.Mock;
+	const mockFailure = onVariableFetchFailure as jest.Mock;
+
+	beforeEach(() => {
+		jest.clearAllMocks();
+	});
+
+	it('should no-op when name is undefined', () => {
+		settleVariableFetch(undefined, 'complete');
+		expect(mockGetSnapshot).not.toHaveBeenCalled();
+		expect(mockComplete).not.toHaveBeenCalled();
+		expect(mockFailure).not.toHaveBeenCalled();
+	});
+
+	it.each(['idle', 'waiting', 'error', undefined] as const)(
+		'should no-op when variable state is %s',
+		(state) => {
+			mockGetSnapshot.mockReturnValue({ states: { myVar: state } });
+			settleVariableFetch('myVar', 'complete');
+			expect(mockComplete).not.toHaveBeenCalled();
+			expect(mockFailure).not.toHaveBeenCalled();
+		},
+	);
+
+	it('should call onVariableFetchComplete when state is loading and outcome is complete', () => {
+		mockGetSnapshot.mockReturnValue({ states: { myVar: 'loading' } });
+		settleVariableFetch('myVar', 'complete');
+		expect(mockComplete).toHaveBeenCalledWith('myVar');
+		expect(mockFailure).not.toHaveBeenCalled();
+	});
+
+	it('should call onVariableFetchComplete when state is revalidating and outcome is complete', () => {
+		mockGetSnapshot.mockReturnValue({ states: { myVar: 'revalidating' } });
+		settleVariableFetch('myVar', 'complete');
+		expect(mockComplete).toHaveBeenCalledWith('myVar');
+		expect(mockFailure).not.toHaveBeenCalled();
+	});
+
+	it('should call onVariableFetchFailure when state is loading and outcome is failure', () => {
+		mockGetSnapshot.mockReturnValue({ states: { myVar: 'loading' } });
+		settleVariableFetch('myVar', 'failure');
+		expect(mockFailure).toHaveBeenCalledWith('myVar');
+		expect(mockComplete).not.toHaveBeenCalled();
+	});
+
+	it('should call onVariableFetchFailure when state is revalidating and outcome is failure', () => {
+		mockGetSnapshot.mockReturnValue({ states: { myVar: 'revalidating' } });
+		settleVariableFetch('myVar', 'failure');
+		expect(mockFailure).toHaveBeenCalledWith('myVar');
+		expect(mockComplete).not.toHaveBeenCalled();
+	});
+});
+
+describe('extractErrorMessage', () => {
+	const FALLBACK_MESSAGE =
+		'Please make sure configuration is valid and you have required setup and permissions';
+
+	it('should return SOMETHING_WENT_WRONG when error is null', () => {
+		expect(extractErrorMessage(null)).toBe('Something went wrong');
+	});
+
+	it('should return the error message when it exists', () => {
+		expect(extractErrorMessage({ message: 'Query timeout' })).toBe(
+			'Query timeout',
+		);
+	});
+
+	it('should return fallback when error object has no message property', () => {
+		expect(extractErrorMessage({})).toBe(FALLBACK_MESSAGE);
+	});
+
+	it('should return fallback when error.message is empty string', () => {
+		expect(extractErrorMessage({ message: '' })).toBe(FALLBACK_MESSAGE);
+	});
+
+	it('should return fallback when error.message is undefined', () => {
+		expect(extractErrorMessage({ message: undefined })).toBe(FALLBACK_MESSAGE);
+	});
+});

frontend/src/container/DashboardContainer/DashboardVariablesSelection/variableSelectStrategy/variableSelectStrategyTypes.ts

@@ -1,17 +1,11 @@
-import { IDashboardVariable } from 'types/api/dashboard/getAll';
+import { VariableItemProps } from '../VariableItem';
 
 export interface VariableSelectStrategy {
 	handleChange(params: {
 		value: string | string[];
-		variableData: IDashboardVariable;
+		variableData: VariableItemProps['variableData'];
+		onValueUpdate: VariableItemProps['onValueUpdate'];
 		optionsData: (string | number | boolean)[];
 		allAvailableOptionStrings: string[];
-		onValueUpdate: (
-			name: string,
-			id: string,
-			value: IDashboardVariable['selectedValue'],
-			allSelected: boolean,
-			haveCustomValuesSelected?: boolean,
-		) => void;
 	}): void;
 }

frontend/src/container/DashboardContainer/__test__/DynamicVariableDefaultBehavior.test.tsx

@@ -17,6 +17,19 @@ import { IDashboardVariable } from 'types/api/dashboard/getAll';
 
 import DynamicVariableInput from '../DashboardVariablesSelection/DynamicVariableInput';
 
+// Mock useVariableFetchState to return "fetching" state so useQuery is enabled
+jest.mock('hooks/dashboard/useVariableFetchState', () => ({
+	useVariableFetchState: (): Record<string, unknown> => ({
+		variableFetchCycleId: 0,
+		variableFetchState: 'loading',
+		isVariableSettled: false,
+		isVariableFetching: true,
+		hasVariableFetchedOnce: false,
+		isVariableWaitingForDependencies: false,
+		variableDependencyWaitMessage: '',
+	}),
+}));
+
 // Mock the getFieldValues API
 jest.mock('api/dynamicVariables/getFieldValues', () => ({
 	getFieldValues: jest.fn(),
@@ -95,7 +108,7 @@ describe('Dynamic Variable Default Behavior', () => {
 						}
 					}
 					if (queryFn) {
-						queryFn();
+						queryFn({ signal: undefined });
 					}
 				}
 			}, [enabled, variableName, dynamicVarsKey]); // Only depend on enabled/keys
@@ -234,6 +247,7 @@ describe('Dynamic Variable Default Behavior', () => {
 					'2023-01-01T00:00:00Z',
 					'2023-01-02T00:00:00Z',
 					'',
+					undefined, // signal
 				);
 			});
 
@@ -487,6 +501,7 @@ describe('Dynamic Variable Default Behavior', () => {
 					'2023-01-01T00:00:00Z',
 					'2023-01-02T00:00:00Z',
 					'',
+					undefined, // signal
 				);
 			});
 

frontend/src/container/DashboardContainer/__test__/IntegrationTests.test.tsx

@@ -49,15 +49,11 @@ const mockDashboard = {
 // Mock the dashboard provider with stable functions to prevent infinite loops
 const mockSetSelectedDashboard = jest.fn();
 const mockUpdateLocalStorageDashboardVariables = jest.fn();
-const mockSetVariablesToGetUpdated = jest.fn();
-
 jest.mock('providers/Dashboard/Dashboard', () => ({
 	useDashboard: (): any => ({
 		selectedDashboard: mockDashboard,
 		setSelectedDashboard: mockSetSelectedDashboard,
 		updateLocalStorageDashboardVariables: mockUpdateLocalStorageDashboardVariables,
-		variablesToGetUpdated: ['env'], // Stable initial value
-		setVariablesToGetUpdated: mockSetVariablesToGetUpdated,
 	}),
 }));
 

frontend/src/container/DashboardContainer/components/DashboardHeader/DashboardBreadcrumbs.styles.scss

@@ -0,0 +1,71 @@
+.dashboard-breadcrumbs {
+	width: 100%;
+	height: 48px;
+	display: flex;
+	gap: 6px;
+	align-items: center;
+	max-width: 80%;
+
+	.dashboard-btn {
+		display: flex;
+		align-items: center;
+		color: var(--bg-vanilla-400);
+		font-family: Inter;
+		font-size: 14px;
+		font-style: normal;
+		font-weight: 400;
+		line-height: 20px; /* 142.857% */
+		letter-spacing: -0.07px;
+		padding: 0px;
+		height: 20px;
+	}
+
+	.dashboard-btn:hover {
+		background-color: unset;
+	}
+
+	.id-btn {
+		display: flex;
+		align-items: center;
+		gap: 4px;
+		padding: 0px 2px;
+		border-radius: 2px;
+		background: rgba(113, 144, 249, 0.1);
+		color: var(--bg-robin-400);
+		font-family: Inter;
+		font-size: 14px;
+		font-style: normal;
+		font-weight: 400;
+		line-height: 20px; /* 142.857% */
+		height: 20px;
+
+		max-width: calc(100% - 120px);
+
+		span {
+			white-space: nowrap;
+			overflow: hidden;
+			text-overflow: ellipsis;
+		}
+
+		.ant-btn-icon {
+			margin-inline-end: 4px;
+		}
+	}
+	.id-btn:hover {
+		background: rgba(113, 144, 249, 0.1);
+		color: var(--bg-robin-300);
+	}
+
+	.dashboard-icon-image {
+		height: 14px;
+		width: 14px;
+	}
+}
+
+.lightMode {
+	.dashboard-breadcrumbs {
+		.dashboard-btn {
+			color: var(--bg-ink-400);
+		}
+	}
+}

frontend/src/container/DashboardContainer/components/DashboardHeader/DashboardBreadcrumbs.tsx

@@ -0,0 +1,55 @@
+import { useCallback } from 'react';
+import { Button } from 'antd';
+import ROUTES from 'constants/routes';
+import { useSafeNavigate } from 'hooks/useSafeNavigate';
+import { LayoutGrid } from 'lucide-react';
+import { useDashboard } from 'providers/Dashboard/Dashboard';
+import { DashboardData } from 'types/api/dashboard/getAll';
+
+import { Base64Icons } from '../../DashboardSettings/General/utils';
+
+import './DashboardBreadcrumbs.styles.scss';
+
+function DashboardBreadcrumbs(): JSX.Element {
+	const { safeNavigate } = useSafeNavigate();
+	const { selectedDashboard, listSortOrder } = useDashboard();
+
+	const selectedData = selectedDashboard
+		? {
+				...selectedDashboard.data,
+				uuid: selectedDashboard.id,
+		  }
+		: ({} as DashboardData);
+
+	const { title = '', image = Base64Icons[0] } = selectedData || {};
+
+	const goToListPage = useCallback(() => {
+		const urlParams = new URLSearchParams();
+		urlParams.set('columnKey', listSortOrder.columnKey as string);
+		urlParams.set('order', listSortOrder.order as string);
+		urlParams.set('page', listSortOrder.pagination as string);
+		urlParams.set('search', listSortOrder.search as string);
+
+		const generatedUrl = `${ROUTES.ALL_DASHBOARD}?${urlParams.toString()}`;
+		safeNavigate(generatedUrl);
+	}, [listSortOrder, safeNavigate]);
+
+	return (
+		<div className="dashboard-breadcrumbs">
+			<Button
+				type="text"
+				icon={<LayoutGrid size={14} />}
+				className="dashboard-btn"
+				onClick={goToListPage}
+			>
+				Dashboard /
+			</Button>
+			<Button type="text" className="id-btn dashboard-name-btn">
+				<img src={image} alt="dashboard-icon" className="dashboard-icon-image" />
+				{title}
+			</Button>
+		</div>
+	);
+}
+
+export default DashboardBreadcrumbs;

frontend/src/container/DashboardContainer/components/DashboardHeader/DashboardHeader.styles.scss

@@ -0,0 +1,15 @@
+.dashboard-header {
+	border-bottom: 1px solid var(--bg-slate-400);
+	display: flex;
+	justify-content: space-between;
+	gap: 16px;
+	align-items: center;
+	padding: 0 8px;
+	box-sizing: border-box;
+}
+
+.lightMode {
+	.dashboard-header {
+		border-bottom: 1px solid var(--bg-vanilla-300);
+	}
+}

frontend/src/container/DashboardContainer/components/DashboardHeader/DashboardHeader.tsx

@@ -0,0 +1,17 @@
+import { memo } from 'react';
+import HeaderRightSection from 'components/HeaderRightSection/HeaderRightSection';
+
+import DashboardBreadcrumbs from './DashboardBreadcrumbs';
+
+import './DashboardHeader.styles.scss';
+
+function DashboardHeader(): JSX.Element {
+	return (
+		<div className="dashboard-header">
+			<DashboardBreadcrumbs />
+			<HeaderRightSection enableAnnouncements={false} enableShare enableFeedback />
+		</div>
+	);
+}
+
+export default memo(DashboardHeader);

frontend/src/container/DashboardContainer/visualization/charts/BarChart/BarChart.tsx

@@ -0,0 +1,45 @@
+import { useCallback } from 'react';
+import ChartWrapper from 'container/DashboardContainer/visualization/charts/ChartWrapper/ChartWrapper';
+import BarChartTooltip from 'lib/uPlotV2/components/Tooltip/BarChartTooltip';
+import {
+	BarTooltipProps,
+	TooltipRenderArgs,
+} from 'lib/uPlotV2/components/types';
+
+import { useBarChartStacking } from '../../hooks/useBarChartStacking';
+import { BarChartProps } from '../types';
+
+export default function BarChart(props: BarChartProps): JSX.Element {
+	const { children, isStackedBarChart, config, data, ...rest } = props;
+
+	const chartData = useBarChartStacking({
+		data,
+		isStackedBarChart,
+		config,
+	});
+
+	const renderTooltip = useCallback(
+		(props: TooltipRenderArgs): React.ReactNode => {
+			const tooltipProps: BarTooltipProps = {
+				...props,
+				timezone: rest.timezone,
+				yAxisUnit: rest.yAxisUnit,
+				decimalPrecision: rest.decimalPrecision,
+				isStackedBarChart: isStackedBarChart,
+			};
+			return <BarChartTooltip {...tooltipProps} />;
+		},
+		[rest.timezone, rest.yAxisUnit, rest.decimalPrecision, isStackedBarChart],
+	);
+
+	return (
+		<ChartWrapper
+			{...rest}
+			config={config}
+			data={chartData}
+			renderTooltip={renderTooltip}
+		>
+			{children}
+		</ChartWrapper>
+	);
+}

frontend/src/container/DashboardContainer/visualization/charts/ChartWrapper/ChartWrapper.tsx

@@ -23,6 +23,7 @@ export default function ChartWrapper({
 	width: containerWidth,
 	height: containerHeight,
 	showTooltip = true,
+	showLegend = true,
 	canPinTooltip = false,
 	syncMode,
 	syncKey,
@@ -36,6 +37,9 @@ export default function ChartWrapper({
 
 	const legendComponent = useCallback(
 		(averageLegendWidth: number): React.ReactNode => {
+			if (!showLegend) {
+				return null;
+			}
 			return (
 				<Legend
 					config={config}
@@ -44,7 +48,7 @@ export default function ChartWrapper({
 				/>
 			);
 		},
-		[config, legendConfig.position],
+		[config, legendConfig.position, showLegend],
 	);
 
 	const renderTooltipCallback = useCallback(
@@ -60,6 +64,7 @@ export default function ChartWrapper({
 	return (
 		<PlotContextProvider>
 			<ChartLayout
+				showLegend={showLegend}
 				config={config}
 				containerWidth={containerWidth}
 				containerHeight={containerHeight}

frontend/src/container/DashboardContainer/visualization/charts/Histogram/Histogram.tsx

@@ -0,0 +1,55 @@
+import { useCallback } from 'react';
+import ChartWrapper from 'container/DashboardContainer/visualization/charts/ChartWrapper/ChartWrapper';
+import HistogramTooltip from 'lib/uPlotV2/components/Tooltip/HistogramTooltip';
+import { buildTooltipContent } from 'lib/uPlotV2/components/Tooltip/utils';
+import {
+	HistogramTooltipProps,
+	TooltipRenderArgs,
+} from 'lib/uPlotV2/components/types';
+
+import { HistogramChartProps } from '../types';
+
+export default function Histogram(props: HistogramChartProps): JSX.Element {
+	const {
+		children,
+		renderTooltip: customRenderTooltip,
+		isQueriesMerged,
+		...rest
+	} = props;
+
+	const renderTooltip = useCallback(
+		(props: TooltipRenderArgs): React.ReactNode => {
+			if (customRenderTooltip) {
+				return customRenderTooltip(props);
+			}
+			const content = buildTooltipContent({
+				data: props.uPlotInstance.data,
+				series: props.uPlotInstance.series,
+				dataIndexes: props.dataIndexes,
+				activeSeriesIndex: props.seriesIndex,
+				uPlotInstance: props.uPlotInstance,
+				yAxisUnit: rest.yAxisUnit ?? '',
+				decimalPrecision: rest.decimalPrecision,
+			});
+			const tooltipProps: HistogramTooltipProps = {
+				...props,
+				timezone: rest.timezone,
+				yAxisUnit: rest.yAxisUnit,
+				decimalPrecision: rest.decimalPrecision,
+				content,
+			};
+			return <HistogramTooltip {...tooltipProps} />;
+		},
+		[customRenderTooltip, rest.timezone, rest.yAxisUnit, rest.decimalPrecision],
+	);
+
+	return (
+		<ChartWrapper
+			showLegend={!isQueriesMerged}
+			{...rest}
+			renderTooltip={renderTooltip}
+		>
+			{children}
+		</ChartWrapper>
+	);
+}

frontend/src/container/DashboardContainer/visualization/charts/types.ts

@@ -7,6 +7,7 @@ interface BaseChartProps {
 	width: number;
 	height: number;
 	showTooltip?: boolean;
+	showLegend?: boolean;
 	timezone: string;
 	canPinTooltip?: boolean;
 	yAxisUnit?: string;
@@ -17,6 +18,7 @@ interface BaseChartProps {
 interface UPlotBasedChartProps {
 	config: UPlotConfigBuilder;
 	data: uPlot.AlignedData;
+	legendConfig: LegendConfig;
 	syncMode?: DashboardCursorSync;
 	syncKey?: string;
 	plotRef?: (plot: uPlot | null) => void;
@@ -26,14 +28,20 @@ interface UPlotBasedChartProps {
 }
 
 export interface TimeSeriesChartProps
+	extends BaseChartProps,
+		UPlotBasedChartProps {}
+
+export interface HistogramChartProps
 	extends BaseChartProps,
 		UPlotBasedChartProps {
-	legendConfig: LegendConfig;
+	isQueriesMerged?: boolean;
 }
 
 export interface BarChartProps extends BaseChartProps, UPlotBasedChartProps {
-	legendConfig: LegendConfig;
 	isStackedBarChart?: boolean;
 }
 
-export type ChartProps = TimeSeriesChartProps | BarChartProps;
+export type ChartProps =
+	| TimeSeriesChartProps
+	| BarChartProps
+	| HistogramChartProps;

frontend/src/container/DashboardContainer/visualization/charts/utils/__tests__/stackUtils.test.ts

@@ -0,0 +1,117 @@
+import { AlignedData } from 'uplot';
+
+import { getInitialStackedBands, stack } from '../stackUtils';
+
+describe('stackUtils', () => {
+	describe('stack', () => {
+		const neverOmit = (): boolean => false;
+
+		it('preserves time axis as first row', () => {
+			const data: AlignedData = [
+				[100, 200, 300],
+				[1, 2, 3],
+				[4, 5, 6],
+			];
+			const { data: result } = stack(data, neverOmit);
+			expect(result[0]).toEqual([100, 200, 300]);
+		});
+
+		it('stacks value series cumulatively (last = raw, first = total)', () => {
+			// Time, then 3 value series. Stack order: last series stays raw, then we add upward.
+			const data: AlignedData = [
+				[0, 1, 2],
+				[1, 2, 3], // series 1
+				[4, 5, 6], // series 2
+				[7, 8, 9], // series 3
+			];
+			const { data: result } = stack(data, neverOmit);
+			// result[1] = s1+s2+s3, result[2] = s2+s3, result[3] = s3
+			expect(result[1]).toEqual([12, 15, 18]); // 1+4+7, 2+5+8, 3+6+9
+			expect(result[2]).toEqual([11, 13, 15]); // 4+7, 5+8, 6+9
+			expect(result[3]).toEqual([7, 8, 9]);
+		});
+
+		it('treats null values as 0 when stacking', () => {
+			const data: AlignedData = [
+				[0, 1],
+				[1, null],
+				[null, 10],
+			];
+			const { data: result } = stack(data, neverOmit);
+			expect(result[1]).toEqual([1, 10]); // total
+			expect(result[2]).toEqual([0, 10]); // last series with null→0
+		});
+
+		it('copies omitted series as-is without accumulating', () => {
+			// Omit series 2 (index 2); series 1 and 3 are stacked.
+			const data: AlignedData = [
+				[0, 1],
+				[10, 20], // series 1
+				[100, 200], // series 2 - omitted
+				[1, 2], // series 3
+			];
+			const omitSeries2 = (i: number): boolean => i === 2;
+			const { data: result } = stack(data, omitSeries2);
+			// series 3 raw: [1, 2]; series 2 omitted: [100, 200] as-is; series 1 stacked with s3: [11, 22]
+			expect(result[1]).toEqual([11, 22]); // 10+1, 20+2
+			expect(result[2]).toEqual([100, 200]); // copied, not stacked
+			expect(result[3]).toEqual([1, 2]);
+		});
+
+		it('returns bands between consecutive visible series when none omitted', () => {
+			const data: AlignedData = [
+				[0, 1],
+				[1, 2],
+				[3, 4],
+				[5, 6],
+			];
+			const { bands } = stack(data, neverOmit);
+			expect(bands).toEqual([{ series: [1, 2] }, { series: [2, 3] }]);
+		});
+
+		it('returns bands only between visible series when some are omitted', () => {
+			// 4 value series; omit index 2. Visible: 1, 3, 4. Bands: [1,3], [3,4]
+			const data: AlignedData = [[0], [1], [2], [3], [4]];
+			const omitSeries2 = (i: number): boolean => i === 2;
+			const { bands } = stack(data, omitSeries2);
+			expect(bands).toEqual([{ series: [1, 3] }, { series: [3, 4] }]);
+		});
+
+		it('returns empty bands when only one value series', () => {
+			const data: AlignedData = [
+				[0, 1],
+				[1, 2],
+			];
+			const { bands } = stack(data, neverOmit);
+			expect(bands).toEqual([]);
+		});
+	});
+
+	describe('getInitialStackedBands', () => {
+		it('returns one band between each consecutive pair for seriesCount 3', () => {
+			expect(getInitialStackedBands(3)).toEqual([
+				{ series: [1, 2] },
+				{ series: [2, 3] },
+			]);
+		});
+
+		it('returns empty array for seriesCount 0 or 1', () => {
+			expect(getInitialStackedBands(0)).toEqual([]);
+			expect(getInitialStackedBands(1)).toEqual([]);
+		});
+
+		it('returns single band for seriesCount 2', () => {
+			expect(getInitialStackedBands(2)).toEqual([{ series: [1, 2] }]);
+		});
+
+		it('returns bands [1,2], [2,3], ..., [n-1, n] for seriesCount n', () => {
+			const bands = getInitialStackedBands(5);
+			expect(bands).toEqual([
+				{ series: [1, 2] },
+				{ series: [2, 3] },
+				{ series: [3, 4] },
+				{ series: [4, 5] },
+			]);
+		});
+	});
+});

frontend/src/container/DashboardContainer/visualization/charts/utils/stackSeriesUtils.ts

@@ -0,0 +1,116 @@
+import uPlot, { AlignedData } from 'uplot';
+
+/**
+ * Stack data cumulatively (top-down: first series = top, last = bottom).
+ * When `omit(seriesIndex)` returns true, that series is excluded from stacking.
+ */
+export function stackSeries(
+	data: AlignedData,
+	omit: (seriesIndex: number) => boolean,
+): { data: AlignedData; bands: uPlot.Band[] } {
+	const timeAxis = data[0];
+	const pointCount = timeAxis.length;
+	const valueSeriesCount = data.length - 1; // exclude time axis
+
+	const stackedSeries = buildStackedSeries({
+		data,
+		valueSeriesCount,
+		pointCount,
+		omit,
+	});
+	const bands = buildFillBands(valueSeriesCount + 1, omit); // +1 for 1-based series indices
+
+	return {
+		data: [timeAxis, ...stackedSeries] as AlignedData,
+		bands,
+	};
+}
+
+interface BuildStackedSeriesParams {
+	data: AlignedData;
+	valueSeriesCount: number;
+	pointCount: number;
+	omit: (seriesIndex: number) => boolean;
+}
+
+/**
+ * Accumulate from last series upward: last series = raw values, first = total.
+ * Omitted series are copied as-is (no accumulation).
+ */
+function buildStackedSeries({
+	data,
+	valueSeriesCount,
+	pointCount,
+	omit,
+}: BuildStackedSeriesParams): (number | null)[][] {
+	const stackedSeries: (number | null)[][] = Array(valueSeriesCount);
+	const cumulativeSums = Array(pointCount).fill(0) as number[];
+
+	for (let seriesIndex = valueSeriesCount; seriesIndex >= 1; seriesIndex--) {
+		const rawValues = data[seriesIndex] as (number | null)[];
+
+		if (omit(seriesIndex)) {
+			stackedSeries[seriesIndex - 1] = rawValues;
+		} else {
+			stackedSeries[seriesIndex - 1] = rawValues.map((rawValue, pointIndex) => {
+				const numericValue = rawValue == null ? 0 : Number(rawValue);
+				return (cumulativeSums[pointIndex] += numericValue);
+			});
+		}
+	}
+
+	return stackedSeries;
+}
+
+/**
+ * Bands define fill between consecutive visible series for stacked appearance.
+ * uPlot format: [upperSeriesIdx, lowerSeriesIdx].
+ */
+function buildFillBands(
+	seriesLength: number,
+	omit: (seriesIndex: number) => boolean,
+): uPlot.Band[] {
+	const bands: uPlot.Band[] = [];
+
+	for (let seriesIndex = 1; seriesIndex < seriesLength; seriesIndex++) {
+		if (omit(seriesIndex)) {
+			continue;
+		}
+		const nextVisibleSeriesIndex = findNextVisibleSeriesIndex(
+			seriesLength,
+			seriesIndex,
+			omit,
+		);
+		if (nextVisibleSeriesIndex !== -1) {
+			bands.push({ series: [seriesIndex, nextVisibleSeriesIndex] });
+		}
+	}
+
+	return bands;
+}
+
+function findNextVisibleSeriesIndex(
+	seriesLength: number,
+	afterIndex: number,
+	omit: (seriesIndex: number) => boolean,
+): number {
+	for (let i = afterIndex + 1; i < seriesLength; i++) {
+		if (!omit(i)) {
+			return i;
+		}
+	}
+	return -1;
+}
+
+/**
+ * Returns band indices for initial stacked state (no series omitted).
+ * Top-down: first series at top, band fills between consecutive series.
+ * uPlot band format: [upperSeriesIdx, lowerSeriesIdx].
+ */
+export function getInitialStackedBands(seriesCount: number): uPlot.Band[] {
+	const bands: uPlot.Band[] = [];
+	for (let seriesIndex = 1; seriesIndex < seriesCount; seriesIndex++) {
+		bands.push({ series: [seriesIndex, seriesIndex + 1] });
+	}
+	return bands;
+}

frontend/src/container/DashboardContainer/visualization/charts/utils/stackUtils.ts

@@ -0,0 +1,116 @@
+import uPlot, { AlignedData } from 'uplot';
+
+/**
+ * Stack data cumulatively (top-down: first series = top, last = bottom).
+ * When `omit(seriesIndex)` returns true, that series is excluded from stacking.
+ */
+export function stack(
+	data: AlignedData,
+	omit: (seriesIndex: number) => boolean,
+): { data: AlignedData; bands: uPlot.Band[] } {
+	const timeAxis = data[0];
+	const pointCount = timeAxis.length;
+	const valueSeriesCount = data.length - 1; // exclude time axis
+
+	const stackedSeries = buildStackedSeries({
+		data,
+		valueSeriesCount,
+		pointCount,
+		omit,
+	});
+	const bands = buildFillBands(valueSeriesCount + 1, omit); // +1 for 1-based series indices
+
+	return {
+		data: [timeAxis, ...stackedSeries] as AlignedData,
+		bands,
+	};
+}
+
+interface BuildStackedSeriesParams {
+	data: AlignedData;
+	valueSeriesCount: number;
+	pointCount: number;
+	omit: (seriesIndex: number) => boolean;
+}
+
+/**
+ * Accumulate from last series upward: last series = raw values, first = total.
+ * Omitted series are copied as-is (no accumulation).
+ */
+function buildStackedSeries({
+	data,
+	valueSeriesCount,
+	pointCount,
+	omit,
+}: BuildStackedSeriesParams): (number | null)[][] {
+	const stackedSeries: (number | null)[][] = Array(valueSeriesCount);
+	const cumulativeSums = Array(pointCount).fill(0) as number[];
+
+	for (let seriesIndex = valueSeriesCount; seriesIndex >= 1; seriesIndex--) {
+		const rawValues = data[seriesIndex] as (number | null)[];
+
+		if (omit(seriesIndex)) {
+			stackedSeries[seriesIndex - 1] = rawValues;
+		} else {
+			stackedSeries[seriesIndex - 1] = rawValues.map((rawValue, pointIndex) => {
+				const numericValue = rawValue == null ? 0 : Number(rawValue);
+				return (cumulativeSums[pointIndex] += numericValue);
+			});
+		}
+	}
+
+	return stackedSeries;
+}
+
+/**
+ * Bands define fill between consecutive visible series for stacked appearance.
+ * uPlot format: [upperSeriesIdx, lowerSeriesIdx].
+ */
+function buildFillBands(
+	seriesLength: number,
+	omit: (seriesIndex: number) => boolean,
+): uPlot.Band[] {
+	const bands: uPlot.Band[] = [];
+
+	for (let seriesIndex = 1; seriesIndex < seriesLength; seriesIndex++) {
+		if (omit(seriesIndex)) {
+			continue;
+		}
+		const nextVisibleSeriesIndex = findNextVisibleSeriesIndex(
+			seriesLength,
+			seriesIndex,
+			omit,
+		);
+		if (nextVisibleSeriesIndex !== -1) {
+			bands.push({ series: [seriesIndex, nextVisibleSeriesIndex] });
+		}
+	}
+
+	return bands;
+}
+
+function findNextVisibleSeriesIndex(
+	seriesLength: number,
+	afterIndex: number,
+	omit: (seriesIndex: number) => boolean,
+): number {
+	for (let i = afterIndex + 1; i < seriesLength; i++) {
+		if (!omit(i)) {
+			return i;
+		}
+	}
+	return -1;
+}
+
+/**
+ * Returns band indices for initial stacked state (no series omitted).
+ * Top-down: first series at top, band fills between consecutive series.
+ * uPlot band format: [upperSeriesIdx, lowerSeriesIdx].
+ */
+export function getInitialStackedBands(seriesCount: number): uPlot.Band[] {
+	const bands: uPlot.Band[] = [];
+	for (let seriesIndex = 1; seriesIndex < seriesCount; seriesIndex++) {
+		bands.push({ series: [seriesIndex, seriesIndex + 1] });
+	}
+	return bands;
+}

frontend/src/container/DashboardContainer/visualization/hooks/__tests__/useBarChartStacking.test.ts

@@ -0,0 +1,313 @@
+import { renderHook } from '@testing-library/react';
+import uPlot from 'uplot';
+
+import type { UseBarChartStackingParams } from '../useBarChartStacking';
+import { useBarChartStacking } from '../useBarChartStacking';
+
+type MockConfig = { addHook: jest.Mock };
+
+function asConfig(c: MockConfig): UseBarChartStackingParams['config'] {
+	return (c as unknown) as UseBarChartStackingParams['config'];
+}
+
+function createMockConfig(): {
+	config: MockConfig;
+	invokeSetData: (plot: uPlot) => void;
+	invokeSetSeries: (
+		plot: uPlot,
+		seriesIndex: number | null,
+		opts: Partial<uPlot.Series> & { focus?: boolean },
+	) => void;
+	removeSetData: jest.Mock;
+	removeSetSeries: jest.Mock;
+} {
+	let setDataHandler: ((plot: uPlot) => void) | null = null;
+	let setSeriesHandler:
+		| ((plot: uPlot, seriesIndex: number | null, opts: uPlot.Series) => void)
+		| null = null;
+
+	const removeSetData = jest.fn();
+	const removeSetSeries = jest.fn();
+
+	const addHook = jest.fn(
+		(
+			hookName: string,
+			handler: (plot: uPlot, ...args: unknown[]) => void,
+		): (() => void) => {
+			if (hookName === 'setData') {
+				setDataHandler = handler as (plot: uPlot) => void;
+				return removeSetData;
+			}
+			if (hookName === 'setSeries') {
+				setSeriesHandler = handler as (
+					plot: uPlot,
+					seriesIndex: number | null,
+					opts: uPlot.Series,
+				) => void;
+				return removeSetSeries;
+			}
+			return jest.fn();
+		},
+	);
+
+	const config: MockConfig = { addHook };
+
+	const invokeSetData = (plot: uPlot): void => {
+		setDataHandler?.(plot);
+	};
+
+	const invokeSetSeries = (
+		plot: uPlot,
+		seriesIndex: number | null,
+		opts: Partial<uPlot.Series> & { focus?: boolean },
+	): void => {
+		setSeriesHandler?.(plot, seriesIndex, opts as uPlot.Series);
+	};
+
+	return {
+		config,
+		invokeSetData,
+		invokeSetSeries,
+		removeSetData,
+		removeSetSeries,
+	};
+}
+
+function createMockPlot(overrides: Partial<uPlot> = {}): uPlot {
+	return ({
+		data: [
+			[0, 1, 2],
+			[1, 2, 3],
+			[4, 5, 6],
+		],
+		series: [{ show: true }, { show: true }, { show: true }],
+		delBand: jest.fn(),
+		addBand: jest.fn(),
+		setData: jest.fn(),
+		...overrides,
+	} as unknown) as uPlot;
+}
+
+describe('useBarChartStacking', () => {
+	it('returns data as-is when isStackedBarChart is false', () => {
+		const data: uPlot.AlignedData = [
+			[100, 200],
+			[1, 2],
+			[3, 4],
+		];
+		const { result } = renderHook(() =>
+			useBarChartStacking({
+				data,
+				isStackedBarChart: false,
+				config: null,
+			}),
+		);
+		expect(result.current).toBe(data);
+	});
+
+	it('returns data as-is when config is null and isStackedBarChart is true', () => {
+		const data: uPlot.AlignedData = [
+			[0, 1],
+			[1, 2],
+			[4, 5],
+		];
+		const { result } = renderHook(() =>
+			useBarChartStacking({
+				data,
+				isStackedBarChart: true,
+				config: null,
+			}),
+		);
+		// Still returns stacked data (computed in useMemo); no hooks registered
+		expect(result.current[0]).toEqual([0, 1]);
+		expect(result.current[1]).toEqual([5, 7]); // stacked
+		expect(result.current[2]).toEqual([4, 5]);
+	});
+
+	it('returns stacked data when isStackedBarChart is true and multiple value series', () => {
+		const data: uPlot.AlignedData = [
+			[0, 1, 2],
+			[1, 2, 3],
+			[4, 5, 6],
+			[7, 8, 9],
+		];
+		const { result } = renderHook(() =>
+			useBarChartStacking({
+				data,
+				isStackedBarChart: true,
+				config: null,
+			}),
+		);
+		expect(result.current[0]).toEqual([0, 1, 2]);
+		expect(result.current[1]).toEqual([12, 15, 18]); // s1+s2+s3
+		expect(result.current[2]).toEqual([11, 13, 15]); // s2+s3
+		expect(result.current[3]).toEqual([7, 8, 9]);
+	});
+
+	it('returns data as-is when only one value series (no stacking needed)', () => {
+		const data: uPlot.AlignedData = [
+			[0, 1],
+			[1, 2],
+		];
+		const { result } = renderHook(() =>
+			useBarChartStacking({
+				data,
+				isStackedBarChart: true,
+				config: null,
+			}),
+		);
+		expect(result.current).toEqual(data);
+	});
+
+	it('registers setData and setSeries hooks when isStackedBarChart and config provided', () => {
+		const { config } = createMockConfig();
+		const data: uPlot.AlignedData = [
+			[0, 1],
+			[1, 2],
+			[3, 4],
+		];
+
+		renderHook(() =>
+			useBarChartStacking({
+				data,
+				isStackedBarChart: true,
+				config: asConfig(config),
+			}),
+		);
+
+		expect(config.addHook).toHaveBeenCalledWith('setData', expect.any(Function));
+		expect(config.addHook).toHaveBeenCalledWith(
+			'setSeries',
+			expect.any(Function),
+		);
+	});
+
+	it('does not register hooks when isStackedBarChart is false', () => {
+		const { config } = createMockConfig();
+		const data: uPlot.AlignedData = [
+			[0, 1],
+			[1, 2],
+			[3, 4],
+		];
+
+		renderHook(() =>
+			useBarChartStacking({
+				data,
+				isStackedBarChart: false,
+				config: asConfig(config),
+			}),
+		);
+
+		expect(config.addHook).not.toHaveBeenCalled();
+	});
+
+	it('calls cleanup when unmounted', () => {
+		const { config, removeSetData, removeSetSeries } = createMockConfig();
+		const data: uPlot.AlignedData = [
+			[0, 1],
+			[1, 2],
+			[3, 4],
+		];
+
+		const { unmount } = renderHook(() =>
+			useBarChartStacking({
+				data,
+				isStackedBarChart: true,
+				config: asConfig(config),
+			}),
+		);
+
+		unmount();
+
+		expect(removeSetData).toHaveBeenCalled();
+		expect(removeSetSeries).toHaveBeenCalled();
+	});
+
+	it('re-stacks and updates plot when setData hook is invoked', () => {
+		const { config, invokeSetData } = createMockConfig();
+		const data: uPlot.AlignedData = [
+			[0, 1, 2],
+			[1, 2, 3],
+			[4, 5, 6],
+		];
+		const plot = createMockPlot({
+			data: [
+				[0, 1, 2],
+				[5, 7, 9],
+				[4, 5, 6],
+			],
+		});
+
+		renderHook(() =>
+			useBarChartStacking({
+				data,
+				isStackedBarChart: true,
+				config: asConfig(config),
+			}),
+		);
+
+		invokeSetData(plot);
+
+		expect(plot.delBand).toHaveBeenCalledWith(null);
+		expect(plot.addBand).toHaveBeenCalled();
+		expect(plot.setData).toHaveBeenCalledWith(
+			expect.arrayContaining([
+				[0, 1, 2],
+				expect.any(Array), // stacked row 1
+				expect.any(Array), // stacked row 2
+			]),
+		);
+	});
+
+	it('re-stacks when setSeries hook is invoked (e.g. legend toggle)', () => {
+		const { config, invokeSetSeries } = createMockConfig();
+		const data: uPlot.AlignedData = [
+			[0, 1],
+			[10, 20],
+			[5, 10],
+		];
+		// Plot data must match unstacked length so canApplyStacking passes
+		const plot = createMockPlot({
+			data: [
+				[0, 1],
+				[15, 30],
+				[5, 10],
+			],
+		});
+
+		renderHook(() =>
+			useBarChartStacking({
+				data,
+				isStackedBarChart: true,
+				config: asConfig(config),
+			}),
+		);
+
+		invokeSetSeries(plot, 1, { show: false });
+
+		expect(plot.setData).toHaveBeenCalled();
+	});
+
+	it('does not re-stack when setSeries is called with focus option', () => {
+		const { config, invokeSetSeries } = createMockConfig();
+		const data: uPlot.AlignedData = [
+			[0, 1],
+			[1, 2],
+			[3, 4],
+		];
+		const plot = createMockPlot();
+
+		renderHook(() =>
+			useBarChartStacking({
+				data,
+				isStackedBarChart: true,
+				config: asConfig(config),
+			}),
+		);
+
+		(plot.setData as jest.Mock).mockClear();
+		invokeSetSeries(plot, 1, { focus: true } as uPlot.Series);
+
+		expect(plot.setData).not.toHaveBeenCalled();
+	});
+});

frontend/src/container/DashboardContainer/visualization/hooks/__tests__/useScrollWidgetIntoView.test.ts

@@ -0,0 +1,69 @@
+import { renderHook } from '@testing-library/react';
+import { useDashboard } from 'providers/Dashboard/Dashboard';
+
+import { useScrollWidgetIntoView } from '../useScrollWidgetIntoView';
+
+jest.mock('providers/Dashboard/Dashboard');
+
+type MockHTMLElement = {
+	scrollIntoView: jest.Mock;
+	focus: jest.Mock;
+};
+
+function createMockElement(): MockHTMLElement {
+	return {
+		scrollIntoView: jest.fn(),
+		focus: jest.fn(),
+	};
+}
+
+describe('useScrollWidgetIntoView', () => {
+	const mockedUseDashboard = useDashboard as jest.MockedFunction<
+		typeof useDashboard
+	>;
+
+	beforeEach(() => {
+		jest.clearAllMocks();
+	});
+
+	it('scrolls into view and focuses when toScrollWidgetId matches widget id', () => {
+		const setToScrollWidgetId = jest.fn();
+		const mockElement = createMockElement();
+		const ref = ({
+			current: mockElement,
+		} as unknown) as React.RefObject<HTMLDivElement>;
+
+		mockedUseDashboard.mockReturnValue(({
+			toScrollWidgetId: 'widget-id',
+			setToScrollWidgetId,
+		} as unknown) as ReturnType<typeof useDashboard>);
+
+		renderHook(() => useScrollWidgetIntoView('widget-id', ref));
+
+		expect(mockElement.scrollIntoView).toHaveBeenCalledWith({
+			behavior: 'smooth',
+			block: 'center',
+		});
+		expect(mockElement.focus).toHaveBeenCalled();
+		expect(setToScrollWidgetId).toHaveBeenCalledWith('');
+	});
+
+	it('does nothing when toScrollWidgetId does not match widget id', () => {
+		const setToScrollWidgetId = jest.fn();
+		const mockElement = createMockElement();
+		const ref = ({
+			current: mockElement,
+		} as unknown) as React.RefObject<HTMLDivElement>;
+
+		mockedUseDashboard.mockReturnValue(({
+			toScrollWidgetId: 'other-widget',
+			setToScrollWidgetId,
+		} as unknown) as ReturnType<typeof useDashboard>);
+
+		renderHook(() => useScrollWidgetIntoView('widget-id', ref));
+
+		expect(mockElement.scrollIntoView).not.toHaveBeenCalled();
+		expect(mockElement.focus).not.toHaveBeenCalled();
+		expect(setToScrollWidgetId).not.toHaveBeenCalled();
+	});
+});

frontend/src/container/DashboardContainer/visualization/hooks/useBarChartStacking.ts

@@ -0,0 +1,125 @@
+import {
+	MutableRefObject,
+	useCallback,
+	useLayoutEffect,
+	useMemo,
+	useRef,
+} from 'react';
+import { UPlotConfigBuilder } from 'lib/uPlotV2/config/UPlotConfigBuilder';
+import { has } from 'lodash-es';
+import uPlot from 'uplot';
+
+import { stackSeries } from '../charts/utils/stackSeriesUtils';
+
+/** Returns true if the series at the given index is hidden (e.g. via legend toggle). */
+function isSeriesHidden(plot: uPlot, seriesIndex: number): boolean {
+	return !plot.series[seriesIndex]?.show;
+}
+
+function canApplyStacking(
+	unstackedData: uPlot.AlignedData | null,
+	plot: uPlot,
+	isUpdating: boolean,
+): boolean {
+	return (
+		!isUpdating &&
+		!!unstackedData &&
+		!!plot.data &&
+		unstackedData[0]?.length === plot.data[0]?.length
+	);
+}
+
+function setupStackingHooks(
+	config: UPlotConfigBuilder,
+	applyStackingToChart: (plot: uPlot) => void,
+	isUpdatingRef: MutableRefObject<boolean>,
+): () => void {
+	const onDataChange = (plot: uPlot): void => {
+		if (!isUpdatingRef.current) {
+			applyStackingToChart(plot);
+		}
+	};
+
+	const onSeriesVisibilityChange = (
+		plot: uPlot,
+		_seriesIdx: number | null,
+		opts: uPlot.Series,
+	): void => {
+		if (!has(opts, 'focus')) {
+			applyStackingToChart(plot);
+		}
+	};
+
+	const removeSetDataHook = config.addHook('setData', onDataChange);
+	const removeSetSeriesHook = config.addHook(
+		'setSeries',
+		onSeriesVisibilityChange,
+	);
+
+	return (): void => {
+		removeSetDataHook?.();
+		removeSetSeriesHook?.();
+	};
+}
+
+export interface UseBarChartStackingParams {
+	data: uPlot.AlignedData;
+	isStackedBarChart?: boolean;
+	config: UPlotConfigBuilder | null;
+}
+
+/**
+ * Handles stacking for bar charts: computes initial stacked data and re-stacks
+ * when data or series visibility changes (e.g. legend toggles).
+ */
+export function useBarChartStacking({
+	data,
+	isStackedBarChart = false,
+	config,
+}: UseBarChartStackingParams): uPlot.AlignedData {
+	// Store unstacked source data so uPlot hooks can access it (hooks run outside React's render cycle)
+	const unstackedDataRef = useRef<uPlot.AlignedData | null>(null);
+	unstackedDataRef.current = isStackedBarChart ? data : null;
+
+	// Prevents re-entrant calls when we update chart data (avoids infinite loop in setData hook)
+	const isUpdatingChartRef = useRef(false);
+
+	const chartData = useMemo((): uPlot.AlignedData => {
+		if (!isStackedBarChart || !data || data.length < 2) {
+			return data;
+		}
+		const noSeriesHidden = (): boolean => false; // include all series in initial stack
+		const { data: stacked } = stackSeries(data, noSeriesHidden);
+		return stacked;
+	}, [data, isStackedBarChart]);
+
+	const applyStackingToChart = useCallback((plot: uPlot): void => {
+		const unstacked = unstackedDataRef.current;
+		if (
+			!unstacked ||
+			!canApplyStacking(unstacked, plot, isUpdatingChartRef.current)
+		) {
+			return;
+		}
+
+		const shouldExcludeSeries = (idx: number): boolean =>
+			isSeriesHidden(plot, idx);
+		const { data: stacked, bands } = stackSeries(unstacked, shouldExcludeSeries);
+
+		plot.delBand(null);
+		bands.forEach((band: uPlot.Band) => plot.addBand(band));
+
+		isUpdatingChartRef.current = true;
+		plot.setData(stacked);
+		isUpdatingChartRef.current = false;
+	}, []);
+
+	useLayoutEffect(() => {
+		if (!isStackedBarChart || !config) {
+			return undefined;
+		}
+		return setupStackingHooks(config, applyStackingToChart, isUpdatingChartRef);
+	}, [isStackedBarChart, config, applyStackingToChart]);
+
+	return chartData;
+}

frontend/src/container/DashboardContainer/visualization/hooks/useScrollWidgetIntoView.ts

@@ -0,0 +1,26 @@
+import { RefObject, useEffect } from 'react';
+import { useDashboard } from 'providers/Dashboard/Dashboard';
+
+/**
+ * Scrolls the given widget container into view when the dashboard
+ * requests it via `toScrollWidgetId`.
+ *
+ * Intended for use in panel components that render a single widget.
+ */
+export function useScrollWidgetIntoView<T extends HTMLElement>(
+	widgetId: string,
+	widgetContainerRef: RefObject<T>,
+): void {
+	const { toScrollWidgetId, setToScrollWidgetId } = useDashboard();
+
+	useEffect(() => {
+		if (toScrollWidgetId === widgetId) {
+			widgetContainerRef.current?.scrollIntoView({
+				behavior: 'smooth',
+				block: 'center',
+			});
+			widgetContainerRef.current?.focus();
+			setToScrollWidgetId('');
+		}
+	}, [toScrollWidgetId, setToScrollWidgetId, widgetId, widgetContainerRef]);
+}

frontend/src/container/DashboardContainer/visualization/layout/ChartLayout/ChartLayout.tsx

@@ -1,12 +1,14 @@
 import { useMemo } from 'react';
 import cx from 'classnames';
 import { calculateChartDimensions } from 'container/DashboardContainer/visualization/charts/utils';
+import { MAX_LEGEND_WIDTH } from 'lib/uPlotV2/components/Legend/Legend';
 import { LegendConfig, LegendPosition } from 'lib/uPlotV2/components/types';
 import { UPlotConfigBuilder } from 'lib/uPlotV2/config/UPlotConfigBuilder';
 
 import './ChartLayout.styles.scss';
 
 export interface ChartLayoutProps {
+	showLegend?: boolean;
 	legendComponent: (legendPerSet: number) => React.ReactNode;
 	children: (props: {
 		chartWidth: number;
@@ -20,6 +22,7 @@ export interface ChartLayoutProps {
 	config: UPlotConfigBuilder;
 }
 export default function ChartLayout({
+	showLegend = true,
 	legendComponent,
 	children,
 	layoutChildren,
@@ -30,6 +33,15 @@ export default function ChartLayout({
 }: ChartLayoutProps): JSX.Element {
 	const chartDimensions = useMemo(
 		() => {
+			if (!showLegend) {
+				return {
+					width: containerWidth,
+					height: containerHeight,
+					legendWidth: 0,
+					legendHeight: 0,
+					averageLegendWidth: MAX_LEGEND_WIDTH,
+				};
+			}
 			const legendItemsMap = config.getLegendItems();
 			const seriesLabels = Object.values(legendItemsMap)
 				.map((item) => item.label)
@@ -42,7 +54,7 @@ export default function ChartLayout({
 			});
 		},
 		// eslint-disable-next-line react-hooks/exhaustive-deps
-		[containerWidth, containerHeight, legendConfig],
+		[containerWidth, containerHeight, legendConfig, showLegend],
 	);
 
 	return (
@@ -60,15 +72,17 @@ export default function ChartLayout({
 						averageLegendWidth: chartDimensions.averageLegendWidth,
 					})}
 				</div>
-				<div
-					className="chart-layout__legend-wrapper"
-					style={{
-						height: chartDimensions.legendHeight,
-						width: chartDimensions.legendWidth,
-					}}
-				>
-					{legendComponent(chartDimensions.averageLegendWidth)}
-				</div>
+				{showLegend && (
+					<div
+						className="chart-layout__legend-wrapper"
+						style={{
+							height: chartDimensions.legendHeight,
+							width: chartDimensions.legendWidth,
+						}}
+					>
+						{legendComponent(chartDimensions.averageLegendWidth)}
+					</div>
+				)}
 			</div>
 			{layoutChildren}
 		</div>

frontend/src/container/DashboardContainer/visualization/panels/BarPanel/BarPanel.tsx

@@ -0,0 +1,150 @@
+import { useCallback, useEffect, useMemo, useRef, useState } from 'react';
+import { useScrollWidgetIntoView } from 'container/DashboardContainer/visualization/hooks/useScrollWidgetIntoView';
+import { PanelWrapperProps } from 'container/PanelWrapper/panelWrapper.types';
+import { useIsDarkMode } from 'hooks/useDarkMode';
+import { useResizeObserver } from 'hooks/useDimensions';
+import { LegendPosition } from 'lib/uPlotV2/components/types';
+import ContextMenu from 'periscope/components/ContextMenu';
+import { useTimezone } from 'providers/Timezone';
+import { MetricRangePayloadProps } from 'types/api/metrics/getQueryRange';
+import uPlot from 'uplot';
+import { getTimeRange } from 'utils/getTimeRange';
+
+import BarChart from '../../charts/BarChart/BarChart';
+import ChartManager from '../../components/ChartManager/ChartManager';
+import { usePanelContextMenu } from '../../hooks/usePanelContextMenu';
+import { prepareBarPanelConfig, prepareBarPanelData } from './utils';
+
+import '../Panel.styles.scss';
+
+function BarPanel(props: PanelWrapperProps): JSX.Element {
+	const {
+		panelMode,
+		queryResponse,
+		widget,
+		onDragSelect,
+		isFullViewMode,
+		onToggleModelHandler,
+	} = props;
+	const uPlotRef = useRef<uPlot | null>(null);
+	const graphRef = useRef<HTMLDivElement>(null);
+	const [minTimeScale, setMinTimeScale] = useState<number>();
+	const [maxTimeScale, setMaxTimeScale] = useState<number>();
+	const containerDimensions = useResizeObserver(graphRef);
+
+	const isDarkMode = useIsDarkMode();
+	const { timezone } = useTimezone();
+
+	useScrollWidgetIntoView(widget.id, graphRef);
+
+	useEffect((): void => {
+		const { startTime, endTime } = getTimeRange(queryResponse);
+
+		setMinTimeScale(startTime);
+		setMaxTimeScale(endTime);
+	}, [queryResponse]);
+
+	const {
+		coordinates,
+		popoverPosition,
+		onClose,
+		menuItemsConfig,
+		clickHandlerWithContextMenu,
+	} = usePanelContextMenu({
+		widget,
+		queryResponse,
+	});
+
+	const config = useMemo(() => {
+		return prepareBarPanelConfig({
+			widget,
+			isDarkMode,
+			currentQuery: widget.query,
+			onClick: clickHandlerWithContextMenu,
+			onDragSelect,
+			apiResponse: queryResponse?.data?.payload as MetricRangePayloadProps,
+			timezone,
+			panelMode,
+			minTimeScale: minTimeScale,
+			maxTimeScale: maxTimeScale,
+		});
+	}, [
+		widget,
+		isDarkMode,
+		queryResponse?.data?.payload,
+		clickHandlerWithContextMenu,
+		onDragSelect,
+		minTimeScale,
+		maxTimeScale,
+		timezone,
+		panelMode,
+	]);
+
+	const chartData = useMemo(() => {
+		if (!queryResponse?.data?.payload) {
+			return [];
+		}
+		return prepareBarPanelData(queryResponse?.data?.payload);
+	}, [queryResponse?.data?.payload]);
+
+	const layoutChildren = useMemo(() => {
+		if (!isFullViewMode) {
+			return null;
+		}
+		return (
+			<ChartManager
+				config={config}
+				alignedData={chartData}
+				yAxisUnit={widget.yAxisUnit}
+				onCancel={onToggleModelHandler}
+			/>
+		);
+	}, [
+		isFullViewMode,
+		config,
+		chartData,
+		widget.yAxisUnit,
+		onToggleModelHandler,
+	]);
+
+	const onPlotDestroy = useCallback(() => {
+		uPlotRef.current = null;
+	}, []);
+
+	const onPlotRef = useCallback((plot: uPlot | null): void => {
+		uPlotRef.current = plot;
+	}, []);
+
+	return (
+		<div className="panel-container" ref={graphRef}>
+			{containerDimensions.width > 0 && containerDimensions.height > 0 && (
+				<BarChart
+					config={config}
+					legendConfig={{
+						position: widget?.legendPosition ?? LegendPosition.BOTTOM,
+					}}
+					plotRef={onPlotRef}
+					onDestroy={onPlotDestroy}
+					yAxisUnit={widget.yAxisUnit}
+					decimalPrecision={widget.decimalPrecision}
+					timezone={timezone.value}
+					data={chartData as uPlot.AlignedData}
+					width={containerDimensions.width}
+					height={containerDimensions.height}
+					layoutChildren={layoutChildren}
+					isStackedBarChart={widget.stackedBarChart ?? false}
+				>
+					<ContextMenu
+						coordinates={coordinates}
+						popoverPosition={popoverPosition}
+						title={menuItemsConfig.header as string}
+						items={menuItemsConfig.items}
+						onClose={onClose}
+					/>
+				</BarChart>
+			)}
+		</div>
+	);
+}
+
+export default BarPanel;

frontend/src/container/DashboardContainer/visualization/panels/BarPanel/utils.ts

@@ -0,0 +1,118 @@
+import { Timezone } from 'components/CustomTimePicker/timezoneUtils';
+import { PANEL_TYPES } from 'constants/queryBuilder';
+import { getInitialStackedBands } from 'container/DashboardContainer/visualization/charts/utils/stackSeriesUtils';
+import { getLegend } from 'lib/dashboard/getQueryResults';
+import getLabelName from 'lib/getLabelName';
+import { OnClickPluginOpts } from 'lib/uPlotLib/plugins/onClickPlugin';
+import {
+	DrawStyle,
+	LineInterpolation,
+	LineStyle,
+	VisibilityMode,
+} from 'lib/uPlotV2/config/types';
+import { UPlotConfigBuilder } from 'lib/uPlotV2/config/UPlotConfigBuilder';
+import { get } from 'lodash-es';
+import { Widgets } from 'types/api/dashboard/getAll';
+import { MetricRangePayloadProps } from 'types/api/metrics/getQueryRange';
+import { Query } from 'types/api/queryBuilder/queryBuilderData';
+import { QueryData } from 'types/api/widgets/getQuery';
+import { AlignedData } from 'uplot';
+
+import { PanelMode } from '../types';
+import { fillMissingXAxisTimestamps, getXAxisTimestamps } from '../utils';
+import { buildBaseConfig } from '../utils/baseConfigBuilder';
+
+export function prepareBarPanelData(
+	apiResponse: MetricRangePayloadProps,
+): AlignedData {
+	const seriesList = apiResponse?.data?.result || [];
+	const timestampArr = getXAxisTimestamps(seriesList);
+	const yAxisValuesArr = fillMissingXAxisTimestamps(timestampArr, seriesList);
+	return [timestampArr, ...yAxisValuesArr];
+}
+
+export function prepareBarPanelConfig({
+	widget,
+	isDarkMode,
+	currentQuery,
+	onClick,
+	onDragSelect,
+	apiResponse,
+	timezone,
+	panelMode,
+	minTimeScale,
+	maxTimeScale,
+}: {
+	widget: Widgets;
+	isDarkMode: boolean;
+	currentQuery: Query;
+	onClick: OnClickPluginOpts['onClick'];
+	onDragSelect: (startTime: number, endTime: number) => void;
+	apiResponse: MetricRangePayloadProps;
+	timezone: Timezone;
+	panelMode: PanelMode;
+	minTimeScale?: number;
+	maxTimeScale?: number;
+}): UPlotConfigBuilder {
+	const builder = buildBaseConfig({
+		widget,
+		isDarkMode,
+		onClick,
+		onDragSelect,
+		apiResponse,
+		timezone,
+		panelMode,
+		panelType: PANEL_TYPES.BAR,
+		minTimeScale,
+		maxTimeScale,
+	});
+
+	builder.setCursor({
+		focus: {
+			prox: 1e3,
+		},
+	});
+
+	if (widget.stackedBarChart) {
+		const seriesCount = (apiResponse?.data?.result?.length ?? 0) + 1; // +1 for 1-based uPlot series indices
+		builder.setBands(getInitialStackedBands(seriesCount));
+	}
+
+	const stepIntervals: Record<string, number> = get(
+		apiResponse,
+		'data.newResult.meta.stepIntervals',
+		{},
+	);
+
+	const seriesList: QueryData[] = apiResponse?.data?.result || [];
+	seriesList.forEach((series) => {
+		const baseLabelName = getLabelName(
+			series.metric,
+			series.queryName || '', // query
+			series.legend || '',
+		);
+
+		const label = currentQuery
+			? getLegend(series, currentQuery, baseLabelName)
+			: baseLabelName;
+
+		const currentStepInterval = get(stepIntervals, series.queryName, undefined);
+
+		builder.addSeries({
+			scaleKey: 'y',
+			drawStyle: DrawStyle.Bar,
+			panelType: PANEL_TYPES.BAR,
+			label: label,
+			colorMapping: widget.customLegendColors ?? {},
+			spanGaps: false,
+			lineStyle: LineStyle.Solid,
+			lineInterpolation: LineInterpolation.Spline,
+			showPoints: VisibilityMode.Never,
+			pointSize: 5,
+			isDarkMode,
+			stepInterval: currentStepInterval,
+		});
+	});
+
+	return builder;
+}

frontend/src/container/DashboardContainer/visualization/panels/HistogramPanel/HistogramPanel.tsx

@@ -0,0 +1,114 @@
+import { useMemo, useRef } from 'react';
+import { useScrollWidgetIntoView } from 'container/DashboardContainer/visualization/hooks/useScrollWidgetIntoView';
+import { PanelWrapperProps } from 'container/PanelWrapper/panelWrapper.types';
+import { useIsDarkMode } from 'hooks/useDarkMode';
+import { useResizeObserver } from 'hooks/useDimensions';
+import { LegendPosition } from 'lib/uPlotV2/components/types';
+import { DashboardCursorSync } from 'lib/uPlotV2/plugins/TooltipPlugin/types';
+import { useTimezone } from 'providers/Timezone';
+import { MetricRangePayloadProps } from 'types/api/metrics/getQueryRange';
+import uPlot from 'uplot';
+
+import Histogram from '../../charts/Histogram/Histogram';
+import ChartManager from '../../components/ChartManager/ChartManager';
+import {
+	prepareHistogramPanelConfig,
+	prepareHistogramPanelData,
+} from './utils';
+
+import '../Panel.styles.scss';
+
+function HistogramPanel(props: PanelWrapperProps): JSX.Element {
+	const {
+		panelMode,
+		queryResponse,
+		widget,
+		isFullViewMode,
+		onToggleModelHandler,
+	} = props;
+	const uPlotRef = useRef<uPlot | null>(null);
+	const graphRef = useRef<HTMLDivElement>(null);
+	const containerDimensions = useResizeObserver(graphRef);
+
+	const isDarkMode = useIsDarkMode();
+	const { timezone } = useTimezone();
+
+	useScrollWidgetIntoView(widget.id, graphRef);
+
+	const config = useMemo(() => {
+		return prepareHistogramPanelConfig({
+			widget,
+			isDarkMode,
+			apiResponse: queryResponse?.data?.payload as MetricRangePayloadProps,
+			panelMode,
+		});
+	}, [widget, isDarkMode, queryResponse?.data?.payload, panelMode]);
+
+	const chartData = useMemo(() => {
+		if (!queryResponse?.data?.payload) {
+			return [];
+		}
+		return prepareHistogramPanelData({
+			apiResponse: queryResponse?.data?.payload as MetricRangePayloadProps,
+			bucketWidth: widget?.bucketWidth,
+			bucketCount: widget?.bucketCount,
+			mergeAllActiveQueries: widget?.mergeAllActiveQueries,
+		});
+	}, [
+		queryResponse?.data?.payload,
+		widget?.bucketWidth,
+		widget?.bucketCount,
+		widget?.mergeAllActiveQueries,
+	]);
+
+	const layoutChildren = useMemo(() => {
+		if (!isFullViewMode || widget.mergeAllActiveQueries) {
+			return null;
+		}
+		return (
+			<ChartManager
+				config={config}
+				alignedData={chartData}
+				yAxisUnit={widget.yAxisUnit}
+				onCancel={onToggleModelHandler}
+			/>
+		);
+	}, [
+		isFullViewMode,
+		config,
+		chartData,
+		widget.yAxisUnit,
+		onToggleModelHandler,
+		widget.mergeAllActiveQueries,
+	]);
+
+	return (
+		<div className="panel-container" ref={graphRef}>
+			{containerDimensions.width > 0 && containerDimensions.height > 0 && (
+				<Histogram
+					config={config}
+					legendConfig={{
+						position: widget?.legendPosition ?? LegendPosition.BOTTOM,
+					}}
+					plotRef={(plot: uPlot | null): void => {
+						uPlotRef.current = plot;
+					}}
+					onDestroy={(): void => {
+						uPlotRef.current = null;
+					}}
+					isQueriesMerged={widget.mergeAllActiveQueries}
+					yAxisUnit={widget.yAxisUnit}
+					decimalPrecision={widget.decimalPrecision}
+					syncMode={DashboardCursorSync.Crosshair}
+					timezone={timezone.value}
+					data={chartData as uPlot.AlignedData}
+					width={containerDimensions.width}
+					height={containerDimensions.height}
+					layoutChildren={layoutChildren}
+				/>
+			)}
+		</div>
+	);
+}
+
+export default HistogramPanel;

frontend/src/container/DashboardContainer/visualization/panels/HistogramPanel/__tests__/HistogramPanel.test.tsx

@@ -0,0 +1,223 @@
+/* eslint-disable simple-import-sort/imports */
+import type { UseQueryResult } from 'react-query';
+import { render, screen } from 'tests/test-utils';
+
+import { PanelMode } from 'container/DashboardContainer/visualization/panels/types';
+import { LegendPosition } from 'lib/uPlotV2/components/types';
+import { Widgets } from 'types/api/dashboard/getAll';
+import {
+	MetricQueryRangeSuccessResponse,
+	MetricRangePayloadProps,
+} from 'types/api/metrics/getQueryRange';
+
+import HistogramPanel from '../HistogramPanel';
+import { HistogramChartProps } from 'container/DashboardContainer/visualization/charts/types';
+
+jest.mock('hooks/useDimensions', () => ({
+	useResizeObserver: jest.fn().mockReturnValue({ width: 800, height: 400 }),
+}));
+
+jest.mock('hooks/useDarkMode', () => ({
+	useIsDarkMode: jest.fn().mockReturnValue(false),
+}));
+
+jest.mock('providers/Timezone', () => ({
+	__esModule: true,
+	// Provide a no-op provider component so AllTheProviders can render
+	default: ({ children }: { children: React.ReactNode }): JSX.Element => (
+		<>{children}</>
+	),
+	// And mock the hook used by HistogramPanel
+	useTimezone: jest.fn().mockReturnValue({
+		timezone: { value: 'UTC' },
+	}),
+}));
+
+jest.mock(
+	'container/DashboardContainer/visualization/hooks/useScrollWidgetIntoView',
+	() => ({
+		useScrollWidgetIntoView: jest.fn(),
+	}),
+);
+
+jest.mock(
+	'container/DashboardContainer/visualization/charts/Histogram/Histogram',
+	() => ({
+		__esModule: true,
+		default: (props: HistogramChartProps): JSX.Element => (
+			<div data-testid="histogram-chart">
+				<div data-testid="histogram-props">
+					{JSON.stringify({
+						legendPosition: props.legendConfig?.position,
+						isQueriesMerged: props.isQueriesMerged,
+						yAxisUnit: props.yAxisUnit,
+						decimalPrecision: props.decimalPrecision,
+					})}
+				</div>
+				{props.layoutChildren}
+			</div>
+		),
+	}),
+);
+
+jest.mock(
+	'container/DashboardContainer/visualization/components/ChartManager/ChartManager',
+	() => ({
+		__esModule: true,
+		default: (): JSX.Element => (
+			<div data-testid="chart-manager">ChartManager</div>
+		),
+	}),
+);
+
+function createQueryResponse(
+	payloadOverrides: Partial<MetricRangePayloadProps> = {},
+): { data: { payload: MetricRangePayloadProps } } {
+	const basePayload: MetricRangePayloadProps = {
+		data: {
+			result: [
+				{
+					metric: {},
+					queryName: 'A',
+					legend: 'Series A',
+					values: [
+						[1, '10'],
+						[2, '20'],
+					],
+				},
+			],
+			resultType: 'matrix',
+			newResult: {
+				data: {
+					result: [],
+					resultType: 'matrix',
+				},
+			},
+		},
+	};
+
+	return {
+		data: {
+			payload: {
+				...basePayload,
+				...payloadOverrides,
+			},
+		},
+	};
+}
+
+type WidgetLike = {
+	id: string;
+	yAxisUnit: string;
+	decimalPrecision: number;
+	legendPosition: LegendPosition;
+	mergeAllActiveQueries: boolean;
+};
+
+function createWidget(overrides: Partial<WidgetLike> = {}): WidgetLike {
+	return {
+		id: 'widget-id',
+		yAxisUnit: 'ms',
+		decimalPrecision: 2,
+		legendPosition: LegendPosition.BOTTOM,
+		mergeAllActiveQueries: false,
+		...overrides,
+	};
+}
+
+describe('HistogramPanel', () => {
+	it('renders Histogram when container has dimensions', () => {
+		const widget = (createWidget() as unknown) as Widgets;
+		const queryResponse = (createQueryResponse() as unknown) as UseQueryResult<
+			MetricQueryRangeSuccessResponse,
+			Error
+		>;
+
+		render(
+			<HistogramPanel
+				panelMode={PanelMode.DASHBOARD_VIEW}
+				widget={widget}
+				queryResponse={queryResponse}
+				isFullViewMode={false}
+				onToggleModelHandler={jest.fn()}
+				onDragSelect={jest.fn()}
+			/>,
+		);
+
+		expect(screen.getByTestId('histogram-chart')).toBeInTheDocument();
+	});
+
+	it('passes legend position and other props to Histogram', () => {
+		const widget = (createWidget({
+			legendPosition: LegendPosition.RIGHT,
+		}) as unknown) as Widgets;
+		const queryResponse = (createQueryResponse() as unknown) as UseQueryResult<
+			MetricQueryRangeSuccessResponse,
+			Error
+		>;
+
+		render(
+			<HistogramPanel
+				panelMode={PanelMode.DASHBOARD_VIEW}
+				widget={widget}
+				queryResponse={queryResponse}
+				isFullViewMode={false}
+				onToggleModelHandler={jest.fn()}
+				onDragSelect={jest.fn()}
+			/>,
+		);
+
+		const propsJson = screen.getByTestId('histogram-props').textContent || '{}';
+		const parsed = JSON.parse(propsJson);
+
+		expect(parsed.legendPosition).toBe(LegendPosition.RIGHT);
+		expect(parsed.yAxisUnit).toBe('ms');
+		expect(parsed.decimalPrecision).toBe(2);
+	});
+
+	it('renders ChartManager in full view when queries are not merged', () => {
+		const widget = (createWidget({
+			mergeAllActiveQueries: false,
+		}) as unknown) as Widgets;
+		const queryResponse = (createQueryResponse() as unknown) as UseQueryResult<
+			MetricQueryRangeSuccessResponse,
+			Error
+		>;
+
+		render(
+			<HistogramPanel
+				panelMode={PanelMode.DASHBOARD_VIEW}
+				widget={widget}
+				queryResponse={queryResponse}
+				isFullViewMode
+				onToggleModelHandler={jest.fn()}
+				onDragSelect={jest.fn()}
+			/>,
+		);
+
+		expect(screen.getByTestId('chart-manager')).toBeInTheDocument();
+	});
+
+	it('does not render ChartManager when queries are merged', () => {
+		const widget = (createWidget({
+			mergeAllActiveQueries: true,
+		}) as unknown) as Widgets;
+		const queryResponse = (createQueryResponse() as unknown) as UseQueryResult<
+			MetricQueryRangeSuccessResponse,
+			Error
+		>;
+
+		render(
+			<HistogramPanel
+				panelMode={PanelMode.DASHBOARD_VIEW}
+				widget={widget}
+				queryResponse={queryResponse}
+				isFullViewMode
+				onToggleModelHandler={jest.fn()}
+				onDragSelect={jest.fn()}
+			/>,
+		);
+
+		expect(screen.queryByTestId('chart-manager')).not.toBeInTheDocument();
+	});
+});

frontend/src/container/DashboardContainer/visualization/panels/HistogramPanel/utils.ts

@@ -0,0 +1,231 @@
+import { histogramBucketSizes } from '@grafana/data';
+import { PANEL_TYPES } from 'constants/queryBuilder';
+import { DEFAULT_BUCKET_COUNT } from 'container/PanelWrapper/constants';
+import { getLegend } from 'lib/dashboard/getQueryResults';
+import getLabelName from 'lib/getLabelName';
+import { DrawStyle } from 'lib/uPlotV2/config/types';
+import { UPlotConfigBuilder } from 'lib/uPlotV2/config/UPlotConfigBuilder';
+import { Widgets } from 'types/api/dashboard/getAll';
+import { MetricRangePayloadProps } from 'types/api/metrics/getQueryRange';
+import { AlignedData } from 'uplot';
+import { incrRoundDn, roundDecimals } from 'utils/round';
+
+import { PanelMode } from '../types';
+import { buildBaseConfig } from '../utils/baseConfigBuilder';
+import {
+	buildHistogramBuckets,
+	mergeAlignedDataTables,
+	prependNullBinToFirstHistogramSeries,
+	replaceUndefinedWithNullInAlignedData,
+} from '../utils/histogram';
+
+export interface PrepareHistogramPanelDataParams {
+	apiResponse: MetricRangePayloadProps;
+	bucketWidth?: number;
+	bucketCount?: number;
+	mergeAllActiveQueries?: boolean;
+}
+
+const BUCKET_OFFSET = 0;
+const HIST_SORT = (a: number, b: number): number => a - b;
+
+function extractNumericValues(
+	result: MetricRangePayloadProps['data']['result'],
+): number[] {
+	const values: number[] = [];
+	for (const item of result) {
+		for (const [, valueStr] of item.values) {
+			values.push(Number.parseFloat(valueStr) || 0);
+		}
+	}
+	return values;
+}
+
+function computeSmallestDelta(sortedValues: number[]): number {
+	if (sortedValues.length <= 1) {
+		return 0;
+	}
+	let smallest = Infinity;
+	for (let i = 1; i < sortedValues.length; i++) {
+		const delta = sortedValues[i] - sortedValues[i - 1];
+		if (delta > 0) {
+			smallest = Math.min(smallest, delta);
+		}
+	}
+	return smallest === Infinity ? 0 : smallest;
+}
+
+function selectBucketSize({
+	range,
+	bucketCount,
+	smallestDelta,
+	bucketWidthOverride,
+}: {
+	range: number;
+	bucketCount: number;
+	smallestDelta: number;
+	bucketWidthOverride?: number;
+}): number {
+	if (bucketWidthOverride != null && bucketWidthOverride > 0) {
+		return bucketWidthOverride;
+	}
+	const targetSize = range / bucketCount;
+	for (const candidate of histogramBucketSizes) {
+		if (targetSize < candidate && candidate >= smallestDelta) {
+			return candidate;
+		}
+	}
+	return 0;
+}
+
+function buildFrames(
+	result: MetricRangePayloadProps['data']['result'],
+	mergeAllActiveQueries: boolean,
+): number[][] {
+	const frames: number[][] = result.map((item) =>
+		item.values.map(([, valueStr]) => Number.parseFloat(valueStr) || 0),
+	);
+	if (mergeAllActiveQueries && frames.length > 1) {
+		const first = frames[0];
+		for (let i = 1; i < frames.length; i++) {
+			first.push(...frames[i]);
+			frames[i] = [];
+		}
+	}
+	return frames;
+}
+
+export function prepareHistogramPanelData({
+	apiResponse,
+	bucketWidth,
+	bucketCount: bucketCountProp = DEFAULT_BUCKET_COUNT,
+	mergeAllActiveQueries = false,
+}: PrepareHistogramPanelDataParams): AlignedData {
+	const bucketCount = bucketCountProp ?? DEFAULT_BUCKET_COUNT;
+	const result = apiResponse.data.result;
+
+	const seriesValues = extractNumericValues(result);
+	if (seriesValues.length === 0) {
+		return [[]];
+	}
+
+	const sorted = [...seriesValues].sort((a, b) => a - b);
+	const min = sorted[0];
+	const max = sorted[sorted.length - 1];
+	const range = max - min;
+	const smallestDelta = computeSmallestDelta(sorted);
+	let bucketSize = selectBucketSize({
+		range,
+		bucketCount,
+		smallestDelta,
+		bucketWidthOverride: bucketWidth,
+	});
+	if (bucketSize <= 0) {
+		bucketSize = range > 0 ? range / bucketCount : 1;
+	}
+
+	const getBucket = (v: number): number =>
+		roundDecimals(incrRoundDn(v - BUCKET_OFFSET, bucketSize) + BUCKET_OFFSET, 9);
+
+	const frames = buildFrames(result, mergeAllActiveQueries);
+	const histogramsPerSeries: AlignedData[] = frames
+		.filter((frame) => frame.length > 0)
+		.map((frame) => buildHistogramBuckets(frame, getBucket, HIST_SORT));
+
+	if (histogramsPerSeries.length === 0) {
+		return [[]];
+	}
+
+	const mergedHistogramData = mergeAlignedDataTables(histogramsPerSeries);
+	replaceUndefinedWithNullInAlignedData(mergedHistogramData);
+	prependNullBinToFirstHistogramSeries(mergedHistogramData, bucketSize);
+	return mergedHistogramData;
+}
+
+export function prepareHistogramPanelConfig({
+	widget,
+	apiResponse,
+	panelMode,
+	isDarkMode,
+}: {
+	widget: Widgets;
+	apiResponse: MetricRangePayloadProps;
+	panelMode: PanelMode;
+	isDarkMode: boolean;
+}): UPlotConfigBuilder {
+	const builder = buildBaseConfig({
+		widget,
+		isDarkMode,
+		apiResponse,
+		panelMode,
+		panelType: PANEL_TYPES.HISTOGRAM,
+	});
+	builder.setCursor({
+		drag: {
+			x: false,
+			y: false,
+			setScale: true,
+		},
+		focus: {
+			prox: 1e3,
+		},
+	});
+
+	builder.addScale({
+		scaleKey: 'x',
+		time: false,
+		auto: true,
+	});
+	builder.addScale({
+		scaleKey: 'y',
+		time: false,
+		auto: true,
+		min: 0,
+	});
+
+	const currentQuery = widget.query;
+	const mergeAllActiveQueries = widget?.mergeAllActiveQueries ?? false;
+
+	// When merged, data has only one y column; add one series to match. Otherwise add one per result.
+	if (mergeAllActiveQueries) {
+		builder.addSeries({
+			label: '',
+			scaleKey: 'y',
+			drawStyle: DrawStyle.Bar,
+			panelType: PANEL_TYPES.HISTOGRAM,
+			colorMapping: widget.customLegendColors ?? {},
+			spanGaps: false,
+			barWidthFactor: 1,
+			pointSize: 5,
+			lineColor: '#3f5ecc',
+			fillColor: '#4E74F8',
+			isDarkMode,
+		});
+	} else {
+		apiResponse.data.result.forEach((series) => {
+			const baseLabelName = getLabelName(
+				series.metric,
+				series.queryName || '', // query
+				series.legend || '',
+			);
+
+			const label = currentQuery
+				? getLegend(series, currentQuery, baseLabelName)
+				: baseLabelName;
+
+			builder.addSeries({
+				label: label,
+				scaleKey: 'y',
+				drawStyle: DrawStyle.Bar,
+				panelType: PANEL_TYPES.HISTOGRAM,
+				colorMapping: widget.customLegendColors ?? {},
+				spanGaps: false,
+				barWidthFactor: 1,
+				pointSize: 5,
+				isDarkMode,
+			});
+		});
+	}
+
+	return builder;
+}

frontend/src/container/DashboardContainer/visualization/panels/TimeSeriesPanel/TimeSeriesPanel.tsx

@@ -2,12 +2,12 @@ import { useEffect, useMemo, useRef, useState } from 'react';
 import TimeSeries from 'container/DashboardContainer/visualization/charts/TimeSeries/TimeSeries';
 import ChartManager from 'container/DashboardContainer/visualization/components/ChartManager/ChartManager';
 import { usePanelContextMenu } from 'container/DashboardContainer/visualization/hooks/usePanelContextMenu';
+import { useScrollWidgetIntoView } from 'container/DashboardContainer/visualization/hooks/useScrollWidgetIntoView';
 import { PanelWrapperProps } from 'container/PanelWrapper/panelWrapper.types';
 import { useIsDarkMode } from 'hooks/useDarkMode';
 import { useResizeObserver } from 'hooks/useDimensions';
 import { LegendPosition } from 'lib/uPlotV2/components/types';
 import { ContextMenu } from 'periscope/components/ContextMenu';
-import { useDashboard } from 'providers/Dashboard/Dashboard';
 import { useTimezone } from 'providers/Timezone';
 import { MetricRangePayloadProps } from 'types/api/metrics/getQueryRange';
 import uPlot from 'uplot';
@@ -26,7 +26,6 @@ function TimeSeriesPanel(props: PanelWrapperProps): JSX.Element {
 		isFullViewMode,
 		onToggleModelHandler,
 	} = props;
-	const { toScrollWidgetId, setToScrollWidgetId } = useDashboard();
 	const graphRef = useRef<HTMLDivElement>(null);
 	const [minTimeScale, setMinTimeScale] = useState<number>();
 	const [maxTimeScale, setMaxTimeScale] = useState<number>();
@@ -35,16 +34,7 @@ function TimeSeriesPanel(props: PanelWrapperProps): JSX.Element {
 	const isDarkMode = useIsDarkMode();
 	const { timezone } = useTimezone();
 
-	useEffect(() => {
-		if (toScrollWidgetId === widget.id) {
-			graphRef.current?.scrollIntoView({
-				behavior: 'smooth',
-				block: 'center',
-			});
-			graphRef.current?.focus();
-			setToScrollWidgetId('');
-		}
-	}, [toScrollWidgetId, setToScrollWidgetId, widget.id]);
+	useScrollWidgetIntoView(widget.id, graphRef);
 
 	useEffect((): void => {
 		const { startTime, endTime } = getTimeRange(queryResponse);

frontend/src/container/DashboardContainer/visualization/panels/TimeSeriesPanel/utils.ts

@@ -83,7 +83,7 @@ export const prepareUPlotConfig = ({
 			drawStyle: DrawStyle.Line,
 			label: label,
 			colorMapping: widget.customLegendColors ?? {},
-			spanGaps: false,
+			spanGaps: true,
 			lineStyle: LineStyle.Solid,
 			lineInterpolation: LineInterpolation.Spline,
 			showPoints: VisibilityMode.Never,

frontend/src/container/DashboardContainer/visualization/panels/utils/__tests__/legendVisibilityUtils.test.ts

@@ -0,0 +1,270 @@
+import { LOCALSTORAGE } from 'constants/localStorage';
+
+import type { GraphVisibilityState } from '../../types';
+import {
+	getStoredSeriesVisibility,
+	updateSeriesVisibilityToLocalStorage,
+} from '../legendVisibilityUtils';
+
+describe('legendVisibilityUtils', () => {
+	const storageKey = LOCALSTORAGE.GRAPH_VISIBILITY_STATES;
+
+	beforeEach(() => {
+		localStorage.clear();
+		jest.spyOn(window.localStorage.__proto__, 'getItem');
+		jest.spyOn(window.localStorage.__proto__, 'setItem');
+	});
+
+	afterEach(() => {
+		jest.restoreAllMocks();
+	});
+
+	describe('getStoredSeriesVisibility', () => {
+		it('returns null when there is no stored visibility state', () => {
+			const result = getStoredSeriesVisibility('widget-1');
+
+			expect(result).toBeNull();
+			expect(localStorage.getItem).toHaveBeenCalledWith(storageKey);
+		});
+
+		it('returns null when widget has no stored dataIndex', () => {
+			const stored: GraphVisibilityState[] = [
+				{
+					name: 'widget-1',
+					dataIndex: [],
+				},
+			];
+
+			localStorage.setItem(storageKey, JSON.stringify(stored));
+
+			const result = getStoredSeriesVisibility('widget-1');
+
+			expect(result).toBeNull();
+		});
+
+		it('returns visibility array by index when widget state exists', () => {
+			const stored: GraphVisibilityState[] = [
+				{
+					name: 'widget-1',
+					dataIndex: [
+						{ label: 'CPU', show: true },
+						{ label: 'Memory', show: false },
+					],
+				},
+				{
+					name: 'widget-2',
+					dataIndex: [{ label: 'Errors', show: true }],
+				},
+			];
+
+			localStorage.setItem(storageKey, JSON.stringify(stored));
+
+			const result = getStoredSeriesVisibility('widget-1');
+
+			expect(result).not.toBeNull();
+			expect(result).toEqual([
+				{ label: 'CPU', show: true },
+				{ label: 'Memory', show: false },
+			]);
+		});
+
+		it('returns visibility by index including duplicate labels', () => {
+			const stored: GraphVisibilityState[] = [
+				{
+					name: 'widget-1',
+					dataIndex: [
+						{ label: 'CPU', show: true },
+						{ label: 'CPU', show: false },
+						{ label: 'Memory', show: false },
+					],
+				},
+			];
+
+			localStorage.setItem(storageKey, JSON.stringify(stored));
+
+			const result = getStoredSeriesVisibility('widget-1');
+
+			expect(result).not.toBeNull();
+			expect(result).toEqual([
+				{ label: 'CPU', show: true },
+				{ label: 'CPU', show: false },
+				{ label: 'Memory', show: false },
+			]);
+		});
+
+		it('returns null on malformed JSON in localStorage', () => {
+			localStorage.setItem(storageKey, '{invalid-json');
+
+			const result = getStoredSeriesVisibility('widget-1');
+
+			expect(result).toBeNull();
+		});
+
+		it('returns null when widget id is not found', () => {
+			const stored: GraphVisibilityState[] = [
+				{
+					name: 'another-widget',
+					dataIndex: [{ label: 'CPU', show: true }],
+				},
+			];
+
+			localStorage.setItem(storageKey, JSON.stringify(stored));
+
+			const result = getStoredSeriesVisibility('widget-1');
+
+			expect(result).toBeNull();
+		});
+	});
+
+	describe('updateSeriesVisibilityToLocalStorage', () => {
+		it('creates new visibility state when none exists', () => {
+			const seriesVisibility = [
+				{ label: 'CPU', show: true },
+				{ label: 'Memory', show: false },
+			];
+
+			updateSeriesVisibilityToLocalStorage('widget-1', seriesVisibility);
+
+			const stored = getStoredSeriesVisibility('widget-1');
+
+			expect(stored).not.toBeNull();
+			expect(stored).toEqual([
+				{ label: 'CPU', show: true },
+				{ label: 'Memory', show: false },
+			]);
+		});
+
+		it('adds a new widget entry when other widgets already exist', () => {
+			const existing: GraphVisibilityState[] = [
+				{
+					name: 'widget-existing',
+					dataIndex: [{ label: 'Errors', show: true }],
+				},
+			];
+			localStorage.setItem(storageKey, JSON.stringify(existing));
+
+			const newVisibility = [{ label: 'CPU', show: false }];
+
+			updateSeriesVisibilityToLocalStorage('widget-new', newVisibility);
+
+			const stored = getStoredSeriesVisibility('widget-new');
+
+			expect(stored).not.toBeNull();
+			expect(stored).toEqual([{ label: 'CPU', show: false }]);
+		});
+
+		it('updates existing widget visibility when entry already exists', () => {
+			const initialVisibility: GraphVisibilityState[] = [
+				{
+					name: 'widget-1',
+					dataIndex: [
+						{ label: 'CPU', show: true },
+						{ label: 'Memory', show: true },
+					],
+				},
+			];
+
+			localStorage.setItem(storageKey, JSON.stringify(initialVisibility));
+
+			const updatedVisibility = [
+				{ label: 'CPU', show: false },
+				{ label: 'Memory', show: true },
+			];
+
+			updateSeriesVisibilityToLocalStorage('widget-1', updatedVisibility);
+
+			const stored = getStoredSeriesVisibility('widget-1');
+
+			expect(stored).not.toBeNull();
+			expect(stored).toEqual([
+				{ label: 'CPU', show: false },
+				{ label: 'Memory', show: true },
+			]);
+		});
+
+		it('silently handles malformed existing JSON without throwing', () => {
+			localStorage.setItem(storageKey, '{invalid-json');
+
+			expect(() =>
+				updateSeriesVisibilityToLocalStorage('widget-1', [
+					{ label: 'CPU', show: true },
+				]),
+			).not.toThrow();
+		});
+
+		it('when existing JSON is malformed, overwrites with valid data for the widget', () => {
+			localStorage.setItem(storageKey, '{invalid-json');
+
+			updateSeriesVisibilityToLocalStorage('widget-1', [
+				{ label: 'x-axis', show: true },
+				{ label: 'CPU', show: false },
+			]);
+
+			const stored = getStoredSeriesVisibility('widget-1');
+			expect(stored).not.toBeNull();
+			expect(stored).toEqual([
+				{ label: 'x-axis', show: true },
+				{ label: 'CPU', show: false },
+			]);
+			const expected = [
+				{
+					name: 'widget-1',
+					dataIndex: [
+						{ label: 'x-axis', show: true },
+						{ label: 'CPU', show: false },
+					],
+				},
+			];
+			expect(localStorage.setItem).toHaveBeenCalledWith(
+				storageKey,
+				JSON.stringify(expected),
+			);
+		});
+
+		it('preserves other widgets when updating one widget', () => {
+			const existing: GraphVisibilityState[] = [
+				{ name: 'widget-a', dataIndex: [{ label: 'A', show: true }] },
+				{ name: 'widget-b', dataIndex: [{ label: 'B', show: false }] },
+			];
+			localStorage.setItem(storageKey, JSON.stringify(existing));
+
+			updateSeriesVisibilityToLocalStorage('widget-b', [
+				{ label: 'B', show: true },
+			]);
+
+			expect(getStoredSeriesVisibility('widget-a')).toEqual([
+				{ label: 'A', show: true },
+			]);
+			expect(getStoredSeriesVisibility('widget-b')).toEqual([
+				{ label: 'B', show: true },
+			]);
+		});
+
+		it('calls setItem with storage key and stringified visibility states', () => {
+			updateSeriesVisibilityToLocalStorage('widget-1', [
+				{ label: 'CPU', show: true },
+			]);
+
+			expect(localStorage.setItem).toHaveBeenCalledTimes(1);
+			expect(localStorage.setItem).toHaveBeenCalledWith(
+				storageKey,
+				expect.any(String),
+			);
+			const [_, value] = (localStorage.setItem as jest.Mock).mock.calls[0];
+			expect((): void => JSON.parse(value)).not.toThrow();
+			expect(JSON.parse(value)).toEqual([
+				{ name: 'widget-1', dataIndex: [{ label: 'CPU', show: true }] },
+			]);
+		});
+
+		it('stores empty dataIndex when seriesVisibility is empty', () => {
+			updateSeriesVisibilityToLocalStorage('widget-1', []);
+
+			const raw = localStorage.getItem(storageKey);
+			expect(raw).not.toBeNull();
+			const parsed = JSON.parse(raw ?? '[]');
+			expect(parsed).toEqual([{ name: 'widget-1', dataIndex: [] }]);
+			expect(getStoredSeriesVisibility('widget-1')).toBeNull();
+		});
+	});
+});

frontend/src/container/DashboardContainer/visualization/panels/utils/baseConfigBuilder.ts

@@ -19,9 +19,9 @@ export interface BaseConfigBuilderProps {
 	widget: Widgets;
 	apiResponse: MetricRangePayloadProps;
 	isDarkMode: boolean;
-	onClick: OnClickPluginOpts['onClick'];
-	onDragSelect: (startTime: number, endTime: number) => void;
-	timezone: Timezone;
+	onClick?: OnClickPluginOpts['onClick'];
+	onDragSelect?: (startTime: number, endTime: number) => void;
+	timezone?: Timezone;
 	panelMode: PanelMode;
 	panelType: PANEL_TYPES;
 	minTimeScale?: number;
@@ -40,8 +40,10 @@ export function buildBaseConfig({
 	minTimeScale,
 	maxTimeScale,
 }: BaseConfigBuilderProps): UPlotConfigBuilder {
-	const tzDate = (timestamp: number): Date =>
-		uPlot.tzDate(new Date(timestamp * 1e3), timezone.value);
+	const tzDate = timezone
+		? (timestamp: number): Date =>
+				uPlot.tzDate(new Date(timestamp * 1e3), timezone.value)
+		: undefined;
 
 	const builder = new UPlotConfigBuilder({
 		onDragSelect,
@@ -88,7 +90,7 @@ export function buildBaseConfig({
 		max: undefined,
 		softMin: widget.softMin ?? undefined,
 		softMax: widget.softMax ?? undefined,
-		// thresholds,
+		thresholds: thresholdOptions,
 		logBase: widget.isLogScale ? 10 : undefined,
 		distribution: widget.isLogScale
 			? DistributionType.Logarithmic

frontend/src/container/DashboardContainer/visualization/panels/utils/histogram.ts

@@ -0,0 +1,225 @@
+import {
+	NULL_EXPAND,
+	NULL_REMOVE,
+	NULL_RETAIN,
+} from 'container/PanelWrapper/constants';
+import { AlignedData } from 'uplot';
+
+/**
+ * Expands contiguous runs of `null` values to the left and right of their
+ * original positions so that visual gaps in the series are continuous.
+ *
+ * This is used when `NULL_EXPAND` mode is selected while joining series.
+ */
+function propagateNullsAcrossNeighbors(
+	seriesValues: Array<number | null>,
+	nullIndices: number[],
+	alignedLength: number,
+): void {
+	for (
+		let i = 0, currentIndex, lastExpandedNullIndex = -1;
+		i < nullIndices.length;
+		i++
+	) {
+		const nullIndex = nullIndices[i];
+
+		if (nullIndex > lastExpandedNullIndex) {
+			// expand left until we hit a non-null value
+			currentIndex = nullIndex - 1;
+			while (currentIndex >= 0 && seriesValues[currentIndex] == null) {
+				seriesValues[currentIndex--] = null;
+			}
+
+			// expand right until we hit a non-null value
+			currentIndex = nullIndex + 1;
+			while (currentIndex < alignedLength && seriesValues[currentIndex] == null) {
+				seriesValues[(lastExpandedNullIndex = currentIndex++)] = null;
+			}
+		}
+	}
+}
+
+/**
+ * Merges multiple uPlot `AlignedData` tables into a single aligned table.
+ *
+ * - Merges and sorts all distinct x-values from each table.
+ * - Re-aligns every series onto the merged x-axis.
+ * - Applies per-series null handling (`NULL_REMOVE`, `NULL_RETAIN`, `NULL_EXPAND`).
+ */
+/* eslint-disable sonarjs/cognitive-complexity */
+export function mergeAlignedDataTables(
+	alignedTables: AlignedData[],
+	nullModes?: number[][],
+): AlignedData {
+	let mergedXValues: Set<number>;
+
+	// eslint-disable-next-line prefer-const
+	mergedXValues = new Set();
+
+	// Collect all unique x-values from every table.
+	for (let tableIndex = 0; tableIndex < alignedTables.length; tableIndex++) {
+		const table = alignedTables[tableIndex];
+		const xValues = table[0];
+		const xLength = xValues.length;
+
+		for (let i = 0; i < xLength; i++) {
+			mergedXValues.add(xValues[i]);
+		}
+	}
+
+	// Sorted, merged x-axis used by the final result.
+	const alignedData: (number | null | undefined)[][] = [
+		Array.from(mergedXValues).sort((a, b) => a - b),
+	];
+
+	const alignedLength = alignedData[0].length;
+
+	// Map from x-value to its index in the merged x-axis.
+	const xValueToIndexMap = new Map<number, number>();
+
+	for (let i = 0; i < alignedLength; i++) {
+		xValueToIndexMap.set(alignedData[0][i] as number, i);
+	}
+
+	// Re-align all series from all tables onto the merged x-axis.
+	for (let tableIndex = 0; tableIndex < alignedTables.length; tableIndex++) {
+		const table = alignedTables[tableIndex];
+		const xValues = table[0];
+
+		for (let seriesIndex = 1; seriesIndex < table.length; seriesIndex++) {
+			const seriesValues = table[seriesIndex];
+
+			const alignedSeriesValues = Array(alignedLength).fill(undefined);
+
+			const nullHandlingMode = nullModes
+				? nullModes[tableIndex][seriesIndex]
+				: NULL_RETAIN;
+
+			const nullIndices: number[] = [];
+
+			for (let i = 0; i < seriesValues.length; i++) {
+				const valueAtPoint = seriesValues[i];
+				const alignedIndex = xValueToIndexMap.get(xValues[i]);
+
+				if (alignedIndex == null) {
+					continue;
+				}
+
+				if (valueAtPoint === null) {
+					if (nullHandlingMode !== NULL_REMOVE) {
+						alignedSeriesValues[alignedIndex] = valueAtPoint;
+
+						if (nullHandlingMode === NULL_EXPAND) {
+							nullIndices.push(alignedIndex);
+						}
+					}
+				} else {
+					alignedSeriesValues[alignedIndex] = valueAtPoint;
+				}
+			}
+
+			// Optionally expand nulls to visually preserve gaps.
+			propagateNullsAcrossNeighbors(
+				alignedSeriesValues,
+				nullIndices,
+				alignedLength,
+			);
+
+			alignedData.push(alignedSeriesValues);
+		}
+	}
+
+	return alignedData as AlignedData;
+}
+
+/**
+ * Builds histogram buckets from raw values.
+ *
+ * - Each value is mapped into a bucket via `getBucketForValue`.
+ * - Counts how many values fall into each bucket.
+ * - Optionally sorts buckets using the provided comparator.
+ */
+export function buildHistogramBuckets(
+	values: number[],
+	getBucketForValue: (value: number) => number,
+	sortBuckets?: ((a: number, b: number) => number) | null,
+): AlignedData {
+	const bucketMap = new Map<number, { value: number; count: number }>();
+
+	for (let i = 0; i < values.length; i++) {
+		let value = values[i];
+
+		if (value != null) {
+			value = getBucketForValue(value);
+		}
+
+		const bucket = bucketMap.get(value);
+
+		if (bucket) {
+			bucket.count++;
+		} else {
+			bucketMap.set(value, { value, count: 1 });
+		}
+	}
+
+	const buckets = [...bucketMap.values()];
+
+	// eslint-disable-next-line @typescript-eslint/no-unused-expressions
+	sortBuckets && buckets.sort((a, b) => sortBuckets(a.value, b.value));
+
+	const bucketValues = Array(buckets.length);
+	const bucketCounts = Array(buckets.length);
+
+	for (let i = 0; i < buckets.length; i++) {
+		bucketValues[i] = buckets[i].value;
+		bucketCounts[i] = buckets[i].count;
+	}
+
+	return [bucketValues, bucketCounts];
+}
+
+/**
+ * Mutates an `AlignedData` instance, replacing all `undefined` entries
+ * with explicit `null` values so uPlot treats them as gaps.
+ */
+export function replaceUndefinedWithNullInAlignedData(
+	data: AlignedData,
+): AlignedData {
+	const seriesList = data as (number | null | undefined)[][];
+	for (let seriesIndex = 0; seriesIndex < seriesList.length; seriesIndex++) {
+		for (
+			let pointIndex = 0;
+			pointIndex < seriesList[seriesIndex].length;
+			pointIndex++
+		) {
+			if (seriesList[seriesIndex][pointIndex] === undefined) {
+				seriesList[seriesIndex][pointIndex] = null;
+			}
+		}
+	}
+	return data;
+}
+
+/**
+ * Ensures the first histogram series has a leading "empty" bin so that
+ * all series line up visually when rendered as bars.
+ *
+ * - Prepends a new x-value (first x - `bucketSize`) to the first series.
+ * - Prepends `null` to all subsequent series at the same index.
+ */
+export function prependNullBinToFirstHistogramSeries(
+	alignedData: AlignedData,
+	bucketSize: number,
+): void {
+	const seriesList = alignedData as (number | null)[][];
+	if (
+		seriesList.length > 0 &&
+		seriesList[0].length > 0 &&
+		seriesList[0][0] !== null
+	) {
+		seriesList[0].unshift(seriesList[0][0] - bucketSize);
+		for (let seriesIndex = 1; seriesIndex < seriesList.length; seriesIndex++) {
+			seriesList[seriesIndex].unshift(null);
+		}
+	}
+}

frontend/src/container/DashboardContainer/visualization/panels/utils/legendVisibilityUtils.ts

@@ -3,13 +3,14 @@ import { LOCALSTORAGE } from 'constants/localStorage';
 import { GraphVisibilityState, SeriesVisibilityItem } from '../types';
 
 /**
- * Retrieves the visibility map for a specific widget from localStorage
+ * Retrieves the stored series visibility for a specific widget from localStorage by index.
+ * Index 0 is the x-axis (time); indices 1, 2, ... are data series (same order as uPlot plot.series).
  * @param widgetId - The unique identifier of the widget
- * @returns A Map of series labels to their visibility state, or null if not found
+ * @returns visibility[i] = show state for series at index i, or null if not found
  */
 export function getStoredSeriesVisibility(
 	widgetId: string,
-): Map<string, boolean> | null {
+): SeriesVisibilityItem[] | null {
 	try {
 		const storedData = localStorage.getItem(LOCALSTORAGE.GRAPH_VISIBILITY_STATES);
 
@@ -24,8 +25,12 @@ export function getStoredSeriesVisibility(
 			return null;
 		}
 
-		return new Map(widgetState.dataIndex.map((item) => [item.label, item.show]));
-	} catch {
+		return widgetState.dataIndex;
+	} catch (error) {
+		if (error instanceof SyntaxError) {
+			// If the stored data is malformed, remove it
+			localStorage.removeItem(LOCALSTORAGE.GRAPH_VISIBILITY_STATES);
+		}
 		// Silently handle parsing errors - fall back to default visibility
 		return null;
 	}
@@ -35,40 +40,31 @@ export function updateSeriesVisibilityToLocalStorage(
 	widgetId: string,
 	seriesVisibility: SeriesVisibilityItem[],
 ): void {
+	let visibilityStates: GraphVisibilityState[] = [];
 	try {
 		const storedData = localStorage.getItem(LOCALSTORAGE.GRAPH_VISIBILITY_STATES);
-
-		let visibilityStates: GraphVisibilityState[];
-
-		if (!storedData) {
-			visibilityStates = [
-				{
-					name: widgetId,
-					dataIndex: seriesVisibility,
-				},
-			];
-		} else {
-			visibilityStates = JSON.parse(storedData);
+		visibilityStates = JSON.parse(storedData || '[]');
+	} catch (error) {
+		if (error instanceof SyntaxError) {
+			visibilityStates = [];
 		}
-		const widgetState = visibilityStates.find((state) => state.name === widgetId);
-
-		if (!widgetState) {
-			visibilityStates = [
-				...visibilityStates,
-				{
-					name: widgetId,
-					dataIndex: seriesVisibility,
-				},
-			];
-		} else {
-			widgetState.dataIndex = seriesVisibility;
-		}
-
-		localStorage.setItem(
-			LOCALSTORAGE.GRAPH_VISIBILITY_STATES,
-			JSON.stringify(visibilityStates),
-		);
-	} catch {
-		// Silently handle parsing errors - fall back to default visibility
 	}
+	const widgetState = visibilityStates.find((state) => state.name === widgetId);
+
+	if (widgetState) {
+		widgetState.dataIndex = seriesVisibility;
+	} else {
+		visibilityStates = [
+			...visibilityStates,
+			{
+				name: widgetId,
+				dataIndex: seriesVisibility,
+			},
+		];
+	}
+
+	localStorage.setItem(
+		LOCALSTORAGE.GRAPH_VISIBILITY_STATES,
+		JSON.stringify(visibilityStates),
+	);
 }

frontend/src/container/GridCardLayout/GridCard/index.tsx

@@ -6,10 +6,12 @@ import { QueryParams } from 'constants/query';
 import { PANEL_TYPES } from 'constants/queryBuilder';
 import { populateMultipleResults } from 'container/NewWidget/LeftContainer/WidgetGraph/util';
 import { CustomTimeType } from 'container/TopNav/DateTimeSelectionV2/types';
+import { useIsPanelWaitingOnVariable } from 'hooks/dashboard/useVariableFetchState';
 import { useGetQueryRange } from 'hooks/queryBuilder/useGetQueryRange';
 import { useIntersectionObserver } from 'hooks/useIntersectionObserver';
 import { GetQueryResultsProps } from 'lib/dashboard/getQueryResults';
 import { getDashboardVariables } from 'lib/dashboardVariables/getDashboardVariables';
+import { getVariableReferencesInQuery } from 'lib/dashboardVariables/variableReference';
 import getTimeString from 'lib/getTimeString';
 import { isEqual } from 'lodash-es';
 import isEmpty from 'lodash-es/isEmpty';
@@ -53,7 +55,6 @@ function GridCardGraph({
 	customOnRowClick,
 	customTimeRangeWindowForCoRelation,
 	enableDrillDown,
-	widgetsByDynamicVariableId,
 }: GridCardGraphProps): JSX.Element {
 	const dispatch = useDispatch();
 	const [errorMessage, setErrorMessage] = useState<string>();
@@ -64,8 +65,8 @@ function GridCardGraph({
 		toScrollWidgetId,
 		setToScrollWidgetId,
 		setDashboardQueryRangeCalled,
-		variablesToGetUpdated,
 	} = useDashboard();
+
 	const { minTime, maxTime, selectedTime: globalSelectedInterval } = useSelector<
 		AppState,
 		GlobalReducer
@@ -117,10 +118,25 @@ function GridCardGraph({
 
 	const updatedQuery = widget?.query;
 
+	const referencedVariableNames = useMemo(() => {
+		if (!variables || !updatedQuery) {
+			return [];
+		}
+		const allNames = Object.values(variables)
+			.map((v) => v.name)
+			.filter((name): name is string => !!name);
+		return getVariableReferencesInQuery(updatedQuery, allNames);
+	}, [updatedQuery, variables]);
+
 	const isEmptyWidget =
 		widget?.id === PANEL_TYPES.EMPTY_WIDGET || isEmpty(widget);
 
-	const queryEnabledCondition = isVisible && !isEmptyWidget && isQueryEnabled;
+	const isPanelWaitingOnAnyVariable = useIsPanelWaitingOnVariable(
+		referencedVariableNames,
+	);
+
+	const queryEnabledCondition =
+		isVisible && !isEmptyWidget && isQueryEnabled && !isPanelWaitingOnAnyVariable;
 
 	const [requestData, setRequestData] = useState<GetQueryResultsProps>(() => {
 		if (widget.panelTypes !== PANEL_TYPES.LIST) {
@@ -177,27 +193,6 @@ function GridCardGraph({
 		[requestData.query],
 	);
 
-	// Bring back dependency on variable chaining for panels to refetch,
-	// but only for non-dynamic variables. We derive a stable token from
-	// the head of the variablesToGetUpdated queue when it's non-dynamic.
-	const nonDynamicVariableChainToken = useMemo(() => {
-		if (!variablesToGetUpdated || variablesToGetUpdated.length === 0) {
-			return undefined;
-		}
-		if (!variables) {
-			return undefined;
-		}
-		const headName = variablesToGetUpdated[0];
-		const variableObj = Object.values(variables).find(
-			(variable) => variable?.name === headName,
-		);
-		if (variableObj && variableObj.type !== 'DYNAMIC') {
-			return headName;
-		}
-		return undefined;
-		// eslint-disable-next-line react-hooks/exhaustive-deps
-	}, [variablesToGetUpdated, variables]);
-
 	const queryResponse = useGetQueryRange(
 		{
 			...requestData,
@@ -224,11 +219,7 @@ function GridCardGraph({
 				requestData,
 				variables
 					? Object.entries(variables).reduce((acc, [id, variable]) => {
-							if (
-								variable.type !== 'DYNAMIC' ||
-								(widgetsByDynamicVariableId?.[variable.id] &&
-									widgetsByDynamicVariableId?.[variable.id].includes(widget.id))
-							) {
+							if (variable.name && referencedVariableNames.includes(variable.name)) {
 								return { ...acc, [id]: variable.selectedValue };
 							}
 							return acc;
@@ -237,9 +228,6 @@ function GridCardGraph({
 				...(customTimeRange && customTimeRange.startTime && customTimeRange.endTime
 					? [customTimeRange.startTime, customTimeRange.endTime]
 					: []),
-				// Include non-dynamic variable chaining token to drive refetches
-				// only when a non-dynamic variable is at the head of the queue
-				...(nonDynamicVariableChainToken ? [nonDynamicVariableChainToken] : []),
 			],
 			retry(failureCount, error): boolean {
 				if (
@@ -252,7 +240,7 @@ function GridCardGraph({
 				return failureCount < 2;
 			},
 			keepPreviousData: true,
-			enabled: queryEnabledCondition && !nonDynamicVariableChainToken,
+			enabled: queryEnabledCondition,
 			refetchOnMount: false,
 			onError: (error) => {
 				const errorMessage =
@@ -319,7 +307,7 @@ function GridCardGraph({
 					threshold={threshold}
 					headerMenuList={menuList}
 					isFetchingResponse={
-						queryResponse.isFetching || variablesToGetUpdated.length > 0
+						queryResponse.isFetching || isPanelWaitingOnAnyVariable
 					}
 					setRequestData={setRequestData}
 					onClickHandler={onClickHandler}

frontend/src/container/GridCardLayout/GridCard/types.ts

@@ -72,7 +72,6 @@ export interface GridCardGraphProps {
 	customOnRowClick?: (record: RowData) => void;
 	customTimeRangeWindowForCoRelation?: string | undefined;
 	enableDrillDown?: boolean;
-	widgetsByDynamicVariableId?: Record<string, string[]>;
 }
 
 export interface GetGraphVisibilityStateOnLegendClickProps {

frontend/src/container/GridCardLayout/GridCardLayout.tsx

@@ -16,7 +16,6 @@ import { themeColors } from 'constants/theme';
 import { DEFAULT_ROW_NAME } from 'container/DashboardContainer/DashboardDescription/utils';
 import { useDashboardVariables } from 'hooks/dashboard/useDashboardVariables';
 import { useUpdateDashboard } from 'hooks/dashboard/useUpdateDashboard';
-import { useWidgetsByDynamicVariableId } from 'hooks/dashboard/useWidgetsByDynamicVariableId';
 import useComponentPermission from 'hooks/useComponentPermission';
 import { useIsDarkMode } from 'hooks/useDarkMode';
 import { useSafeNavigate } from 'hooks/useSafeNavigate';
@@ -102,8 +101,6 @@ function GraphLayout(props: GraphLayoutProps): JSX.Element {
 		Record<string, { widgets: Layout[]; collapsed: boolean }>
 	>({});
 
-	const widgetsByDynamicVariableId = useWidgetsByDynamicVariableId();
-
 	useEffect(() => {
 		setCurrentPanelMap(panelMap);
 	}, [panelMap]);
@@ -617,7 +614,6 @@ function GraphLayout(props: GraphLayoutProps): JSX.Element {
 									onDragSelect={onDragSelect}
 									dataAvailable={checkIfDataExists}
 									enableDrillDown={enableDrillDown}
-									widgetsByDynamicVariableId={widgetsByDynamicVariableId}
 								/>
 							</Card>
 						</CardContainer>

frontend/src/container/LogDetailedView/TableView/TableViewActions.styles.scss

@@ -35,10 +35,10 @@
 		box-shadow: 4px 10px 16px 2px rgba(0, 0, 0, 0.2);
 		backdrop-filter: blur(20px);
 		padding: 0px;
-		.group-by-clause {
+		.more-filter-actions {
 			display: flex;
 			align-items: center;
-			gap: 4px;
+			gap: 8px;
 			color: var(--bg-vanilla-400);
 			font-family: Inter;
 			font-size: 14px;
@@ -53,7 +53,7 @@
 			}
 		}
 
-		.group-by-clause:hover {
+		.more-filter-actions:hover {
 			background-color: unset !important;
 		}
 	}
@@ -65,7 +65,7 @@
 			border: 1px solid var(--bg-vanilla-400);
 			background: var(--bg-vanilla-100) !important;
 
-			.group-by-clause {
+			.more-filter-actions {
 				color: var(--bg-ink-400);
 			}
 		}

frontend/src/container/LogDetailedView/TableView/TableViewActions.tsx

@@ -1,4 +1,5 @@
 /* eslint-disable sonarjs/no-duplicate-string */
+/* eslint-disable sonarjs/cognitive-complexity */
 import React, { useCallback, useMemo, useState } from 'react';
 import { useLocation } from 'react-router-dom';
 import { Color } from '@signozhq/design-tokens';
@@ -16,7 +17,12 @@ import { MetricsType } from 'container/MetricsApplication/constant';
 import { useGetSearchQueryParam } from 'hooks/queryBuilder/useGetSearchQueryParam';
 import { useQueryBuilder } from 'hooks/queryBuilder/useQueryBuilder';
 import { ICurrentQueryData } from 'hooks/useHandleExplorerTabChange';
-import { ArrowDownToDot, ArrowUpFromDot, Ellipsis } from 'lucide-react';
+import {
+	ArrowDownToDot,
+	ArrowUpFromDot,
+	Ellipsis,
+	RefreshCw,
+} from 'lucide-react';
 import { ExplorerViews } from 'pages/LogsExplorer/utils';
 import { useTimezone } from 'providers/Timezone';
 import {
@@ -205,6 +211,70 @@ export default function TableViewActions(
 		viewName,
 	]);
 
+	const handleReplaceFilter = useCallback((): void => {
+		if (!stagedQuery) {
+			return;
+		}
+		const normalizedDataType: DataTypes | undefined =
+			dataType && Object.values(DataTypes).includes(dataType as DataTypes)
+				? (dataType as DataTypes)
+				: undefined;
+
+		const updatedQuery = updateQueriesData(
+			stagedQuery,
+			'queryData',
+			(item, index) => {
+				// Only replace filters for index 0
+				if (index === 0) {
+					const newFilterItem: BaseAutocompleteData = {
+						key: fieldFilterKey,
+						type: fieldType || '',
+						dataType: normalizedDataType,
+					};
+
+					// Create new filter items array with single IN filter
+					const newFilters = {
+						items: [
+							{
+								id: '',
+								key: newFilterItem,
+								op: OPERATORS.IN,
+								value: [parseFieldValue(fieldData.value)],
+							},
+						],
+						op: 'AND',
+					};
+
+					// Clear the expression and update filters
+					return {
+						...item,
+						filters: newFilters,
+						filter: { expression: '' },
+					};
+				}
+
+				return item;
+			},
+		);
+
+		const queryData: ICurrentQueryData = {
+			name: viewName,
+			id: updatedQuery.id,
+			query: updatedQuery,
+		};
+
+		handleChangeSelectedView?.(ExplorerViews.LIST, queryData);
+	}, [
+		stagedQuery,
+		updateQueriesData,
+		fieldFilterKey,
+		fieldType,
+		dataType,
+		fieldData,
+		handleChangeSelectedView,
+		viewName,
+	]);
+
 	// Memoize textToCopy computation
 	const textToCopy = useMemo(() => {
 		let text = fieldData.value;
@@ -327,13 +397,21 @@ export default function TableViewActions(
 								content={
 									<div>
 										<Button
-											className="group-by-clause"
+											className="more-filter-actions"
 											type="text"
 											icon={<GroupByIcon />}
 											onClick={handleGroupByAttribute}
 										>
 											Group By Attribute
 										</Button>
+										<Button
+											className="more-filter-actions"
+											type="text"
+											icon={<RefreshCw size={14} />}
+											onClick={handleReplaceFilter}
+										>
+											Replace filters with this value
+										</Button>
 									</div>
 								}
 								rootClassName="table-view-actions-content"
@@ -405,13 +483,21 @@ export default function TableViewActions(
 							content={
 								<div>
 									<Button
-										className="group-by-clause"
+										className="more-filter-actions"
 										type="text"
 										icon={<GroupByIcon />}
 										onClick={handleGroupByAttribute}
 									>
 										Group By Attribute
 									</Button>
+									<Button
+										className="more-filter-actions"
+										type="text"
+										icon={<RefreshCw size={14} />}
+										onClick={handleReplaceFilter}
+									>
+										Replace filters with this value
+									</Button>
 								</div>
 							}
 							rootClassName="table-view-actions-content"

frontend/src/container/MetricsExplorer/Explorer/TimeSeries.tsx

@@ -1,13 +1,8 @@
 import { useMemo } from 'react';
-import { useQueries, useQueryClient } from 'react-query';
+import { useQueries } from 'react-query';
 import { useSelector } from 'react-redux';
 import { Color } from '@signozhq/design-tokens';
-import { toast } from '@signozhq/sonner';
-import { Button, Tooltip, Typography } from 'antd';
-import {
-	invalidateGetMetricMetadata,
-	useUpdateMetricMetadata,
-} from 'api/generated/services/metrics';
+import { Tooltip, Typography } from 'antd';
 import { isAxiosError } from 'axios';
 import classNames from 'classnames';
 import YAxisUnitSelector from 'components/YAxisUnitSelector';
@@ -28,10 +23,7 @@ import { DataSource } from 'types/common/queryBuilder';
 import { GlobalReducer } from 'types/reducer/globalTime';
 
 import { TimeSeriesProps } from './types';
-import {
-	buildUpdateMetricYAxisUnitPayload,
-	splitQueryIntoOneChartPerQuery,
-} from './utils';
+import { splitQueryIntoOneChartPerQuery } from './utils';
 
 function TimeSeries({
 	showOneChartPerQuery,
@@ -43,7 +35,6 @@ function TimeSeries({
 	yAxisUnit,
 	setYAxisUnit,
 	showYAxisUnitSelector,
-	metrics,
 }: TimeSeriesProps): JSX.Element {
 	const { stagedQuery, currentQuery } = useQueryBuilder();
 
@@ -51,7 +42,6 @@ function TimeSeries({
 		AppState,
 		GlobalReducer
 	>((state) => state.globalTime);
-	const queryClient = useQueryClient();
 
 	const isValidToConvertToMs = useMemo(() => {
 		const isValid: boolean[] = [];
@@ -148,51 +138,54 @@ function TimeSeries({
 		setYAxisUnit(value);
 	};
 
+	// TODO: Enable once we have resolved all related metrics v2 api issues
 	// Show the save unit button if
 	// 1. There is only one metric
 	// 2. The metric has no saved unit
 	// 3. The user has selected a unit
-	const showSaveUnitButton = useMemo(
-		() =>
-			metricUnits.length === 1 &&
-			Boolean(metrics?.[0]) &&
-			!metricUnits[0] &&
-			yAxisUnit,
-		[metricUnits, metrics, yAxisUnit],
-	);
+	// const showSaveUnitButton = useMemo(
+	// 	() =>
+	// 		metricUnits.length === 1 &&
+	// 		Boolean(metrics?.[0]) &&
+	// 		!metricUnits[0] &&
+	// 		yAxisUnit,
+	// 	[metricUnits, metrics, yAxisUnit],
+	// );
 
-	const {
-		mutate: updateMetricMetadata,
-		isLoading: isUpdatingMetricMetadata,
-	} = useUpdateMetricMetadata();
+	// const {
+	// 	mutate: updateMetricMetadata,
+	// 	isLoading: isUpdatingMetricMetadata,
+	// } = useUpdateMetricMetadata();
 
-	const handleSaveUnit = (): void => {
-		if (metrics?.[0]) {
-			updateMetricMetadata(
-				{
-					pathParams: {
-						metricName: metricNames[0],
-					},
-					data: buildUpdateMetricYAxisUnitPayload(
-						metricNames[0],
-						metrics[0],
-						yAxisUnit,
-					),
-				},
-				{
-					onSuccess: () => {
-						toast.success('Unit saved successfully');
-						invalidateGetMetricMetadata(queryClient, {
-							metricName: metricNames[0],
-						});
-					},
-					onError: () => {
-						toast.error('Failed to save unit');
-					},
-				},
-			);
-		}
-	};
+	// const handleSaveUnit = (): void => {
+	// 	updateMetricMetadata(
+	// 		{
+	// 			metricName: metricNames[0],
+	// 			payload: {
+	// 				unit: yAxisUnit,
+	// 				description: metrics[0]?.description ?? '',
+	// 				metricType: metrics[0]?.type as MetricType,
+	// 				temporality: metrics[0]?.temporality,
+	// 			},
+	// 		},
+	// 		{
+	// 			onSuccess: () => {
+	// 				notifications.success({
+	// 					message: 'Unit saved successfully',
+	// 				});
+	// 				queryClient.invalidateQueries([
+	// 					REACT_QUERY_KEY.GET_METRIC_DETAILS,
+	// 					metricNames[0],
+	// 				]);
+	// 			},
+	// 			onError: () => {
+	// 				notifications.error({
+	// 					message: 'Failed to save unit',
+	// 				});
+	// 			},
+	// 		},
+	// 	);
+	// };
 
 	return (
 		<>
@@ -205,7 +198,8 @@ function TimeSeries({
 							source={YAxisSource.EXPLORER}
 							data-testid="y-axis-unit-selector"
 						/>
-						{showSaveUnitButton && (
+						{/* TODO: Enable once we have resolved all related metrics v2 api issues */}
+						{/* {showSaveUnitButton && (
 							<div className="save-unit-container">
 								<Typography.Text>
 									Save the selected unit for this metric?
@@ -219,7 +213,7 @@ function TimeSeries({
 									<Typography.Paragraph>Yes</Typography.Paragraph>
 								</Button>
 							</div>
-						)}
+						)} */}
 					</>
 				)}
 			</div>

frontend/src/container/MetricsExplorer/Explorer/__tests__/Explorer.test.tsx

@@ -3,11 +3,8 @@ import { Provider } from 'react-redux';
 import { MemoryRouter } from 'react-router-dom';
 import { useSearchParams } from 'react-router-dom-v5-compat';
 import { render, screen } from '@testing-library/react';
-import {
-	MetricsexplorertypesMetricMetadataDTO,
-	MetrictypesTemporalityDTO,
-	MetrictypesTypeDTO,
-} from 'api/generated/services/sigNoz.schemas';
+import { Temporality } from 'api/metricsExplorer/getMetricDetails';
+import { MetricType } from 'api/metricsExplorer/getMetricsList';
 import { initialQueriesMap, PANEL_TYPES } from 'constants/queryBuilder';
 import * as useOptionsMenuHooks from 'container/OptionsMenu';
 import * as useUpdateDashboardHooks from 'hooks/dashboard/useUpdateDashboard';
@@ -17,6 +14,7 @@ import { ErrorModalProvider } from 'providers/ErrorModalProvider';
 import * as timezoneHooks from 'providers/Timezone';
 import store from 'store';
 import { LicenseEvent } from 'types/api/licensesV3/getActive';
+import { MetricMetadata } from 'types/api/metricsExplorer/v2/getMetricMetadata';
 import { BaseAutocompleteData } from 'types/api/queryBuilder/queryAutocompleteResponse';
 import { DataSource, QueryBuilderContextType } from 'types/common/queryBuilder';
 
@@ -137,11 +135,11 @@ jest.spyOn(useQueryBuilderHooks, 'useQueryBuilder').mockReturnValue({
 
 const Y_AXIS_UNIT_SELECTOR_TEST_ID = 'y-axis-unit-selector';
 
-const mockMetric: MetricsexplorertypesMetricMetadataDTO = {
-	type: MetrictypesTypeDTO.sum,
+const mockMetric: MetricMetadata = {
+	type: MetricType.SUM,
 	description: 'metric1 description',
 	unit: 'metric1 unit',
-	temporality: MetrictypesTemporalityDTO.cumulative,
+	temporality: Temporality.CUMULATIVE,
 	isMonotonic: true,
 };
 
@@ -271,10 +269,10 @@ describe('Explorer', () => {
 			isError: false,
 			metrics: [
 				{
-					type: MetrictypesTypeDTO.sum,
+					type: MetricType.SUM,
 					description: 'metric1 description',
 					unit: '',
-					temporality: MetrictypesTemporalityDTO.cumulative,
+					temporality: Temporality.CUMULATIVE,
 					isMonotonic: true,
 				},
 			],

frontend/src/container/MetricsExplorer/Explorer/__tests__/TimeSeries.test.tsx

@@ -1,23 +1,29 @@
+import { UseMutationResult } from 'react-query';
 import { render, RenderResult, screen, waitFor } from '@testing-library/react';
 import userEvent from '@testing-library/user-event';
-import * as metricsExplorerHooks from 'api/generated/services/metrics';
-import {
-	MetricsexplorertypesMetricMetadataDTO,
-	MetrictypesTemporalityDTO,
-	MetrictypesTypeDTO,
-} from 'api/generated/services/sigNoz.schemas';
+import { Temporality } from 'api/metricsExplorer/getMetricDetails';
+import { MetricType } from 'api/metricsExplorer/getMetricsList';
+import { UpdateMetricMetadataResponse } from 'api/metricsExplorer/updateMetricMetadata';
+import * as useUpdateMetricMetadataHooks from 'hooks/metricsExplorer/useUpdateMetricMetadata';
+import { UseUpdateMetricMetadataProps } from 'hooks/metricsExplorer/useUpdateMetricMetadata';
+import { ErrorResponse, SuccessResponse } from 'types/api';
+import { MetricMetadata } from 'types/api/metricsExplorer/v2/getMetricMetadata';
 
 import TimeSeries from '../TimeSeries';
 import { TimeSeriesProps } from '../types';
 
-const mockUpdateMetricMetadata = jest.fn();
-const updateMetricMetadataSpy = jest.spyOn(
-	metricsExplorerHooks,
-	'useUpdateMetricMetadata',
-);
-type UseUpdateMetricMetadataReturnType = ReturnType<
-	typeof metricsExplorerHooks.useUpdateMetricMetadata
+type MockUpdateMetricMetadata = UseMutationResult<
+	SuccessResponse<UpdateMetricMetadataResponse> | ErrorResponse,
+	Error,
+	UseUpdateMetricMetadataProps
 >;
+const mockUpdateMetricMetadata = jest.fn();
+jest
+	.spyOn(useUpdateMetricMetadataHooks, 'useUpdateMetricMetadata')
+	.mockReturnValue(({
+		mutate: mockUpdateMetricMetadata,
+		isLoading: false,
+	} as Partial<MockUpdateMetricMetadata>) as MockUpdateMetricMetadata);
 
 jest.mock('container/TimeSeriesView/TimeSeriesView', () => ({
 	__esModule: true,
@@ -54,11 +60,11 @@ jest.mock('react-redux', () => ({
 	}),
 }));
 
-const mockMetric: MetricsexplorertypesMetricMetadataDTO = {
-	type: MetrictypesTypeDTO.sum,
+const mockMetric: MetricMetadata = {
+	type: MetricType.SUM,
 	description: 'metric1 description',
 	unit: 'metric1 unit',
-	temporality: MetrictypesTemporalityDTO.cumulative,
+	temporality: Temporality.CUMULATIVE,
 	isMonotonic: true,
 };
 
@@ -90,13 +96,6 @@ function renderTimeSeries(
 }
 
 describe('TimeSeries', () => {
-	beforeEach(() => {
-		updateMetricMetadataSpy.mockReturnValue(({
-			mutate: mockUpdateMetricMetadata,
-			isLoading: false,
-		} as Partial<UseUpdateMetricMetadataReturnType>) as UseUpdateMetricMetadataReturnType);
-	});
-
 	it('should render a warning icon when a metric has no unit among multiple metrics', () => {
 		const user = userEvent.setup();
 		const { container } = renderTimeSeries({
@@ -134,17 +133,18 @@ describe('TimeSeries', () => {
 		);
 	});
 
-	it('shows Save unit button when metric had no unit but one is selected', async () => {
+	// TODO: Unskip this test once the save unit button is implemented
+	// Tracking at - https://github.com/SigNoz/engineering-pod/issues/3495
+	it.skip('shows Save unit button when metric had no unit but one is selected', () => {
 		const { findByText, getByRole } = renderTimeSeries({
 			metricUnits: [undefined],
 			metricNames: ['metric1'],
 			metrics: [mockMetric],
 			yAxisUnit: 'seconds',
-			showYAxisUnitSelector: true,
 		});
 
 		expect(
-			await findByText('Save the selected unit for this metric?'),
+			findByText('Save the selected unit for this metric?'),
 		).toBeInTheDocument();
 
 		const yesButton = getByRole('button', { name: 'Yes' });
@@ -152,25 +152,24 @@ describe('TimeSeries', () => {
 		expect(yesButton).toBeEnabled();
 	});
 
-	it('clicking on save unit button shoould upated metric metadata', async () => {
+	// TODO: Unskip this test once the save unit button is implemented
+	// Tracking at - https://github.com/SigNoz/engineering-pod/issues/3495
+	it.skip('clicking on save unit button shoould upated metric metadata', () => {
 		const user = userEvent.setup();
 		const { getByRole } = renderTimeSeries({
 			metricUnits: [''],
 			metricNames: ['metric1'],
 			metrics: [mockMetric],
 			yAxisUnit: 'seconds',
-			showYAxisUnitSelector: true,
 		});
 
 		const yesButton = getByRole('button', { name: /Yes/i });
-		await user.click(yesButton);
+		user.click(yesButton);
 
 		expect(mockUpdateMetricMetadata).toHaveBeenCalledWith(
 			{
-				pathParams: {
-					metricName: 'metric1',
-				},
-				data: expect.objectContaining({ unit: 'seconds' }),
+				metricName: 'metric1',
+				payload: expect.objectContaining({ unit: 'seconds' }),
 			},
 			expect.objectContaining({
 				onSuccess: expect.any(Function),

frontend/src/container/MetricsExplorer/Explorer/__tests__/utils.test.tsx

@@ -1,14 +1,14 @@
 import { UseQueryResult } from 'react-query';
 import { renderHook } from '@testing-library/react';
-import {
-	GetMetricMetadata200,
-	MetricsexplorertypesMetricMetadataDTO,
-	MetrictypesTemporalityDTO,
-	MetrictypesTypeDTO,
-} from 'api/generated/services/sigNoz.schemas';
-import { AxiosResponse } from 'axios';
+import { Temporality } from 'api/metricsExplorer/getMetricDetails';
+import { MetricType } from 'api/metricsExplorer/getMetricsList';
 import { initialQueriesMap } from 'constants/queryBuilder';
 import * as useGetMultipleMetricsHook from 'hooks/metricsExplorer/useGetMultipleMetrics';
+import { SuccessResponseV2 } from 'types/api';
+import {
+	MetricMetadata,
+	MetricMetadataResponse,
+} from 'types/api/metricsExplorer/v2/getMetricMetadata';
 import { BaseAutocompleteData } from 'types/api/queryBuilder/queryAutocompleteResponse';
 import {
 	IBuilderFormula,
@@ -91,11 +91,11 @@ describe('splitQueryIntoOneChartPerQuery', () => {
 	});
 });
 
-const MOCK_METRIC_METADATA: MetricsexplorertypesMetricMetadataDTO = {
+const MOCK_METRIC_METADATA: MetricMetadata = {
 	description: 'Metric 1 description',
 	unit: 'unit1',
-	type: MetrictypesTypeDTO.gauge,
-	temporality: MetrictypesTemporalityDTO.delta,
+	type: MetricType.GAUGE,
+	temporality: Temporality.DELTA,
 	isMonotonic: true,
 };
 
@@ -104,16 +104,19 @@ describe('useGetMetrics', () => {
 		jest
 			.spyOn(useGetMultipleMetricsHook, 'useGetMultipleMetrics')
 			.mockReturnValue([
-				{
+				({
 					isLoading: false,
 					isError: false,
 					data: {
+						httpStatusCode: 200,
 						data: {
-							data: MOCK_METRIC_METADATA,
 							status: 'success',
+							data: MOCK_METRIC_METADATA,
 						},
 					},
-				} as UseQueryResult<AxiosResponse<GetMetricMetadata200>, Error>,
+				} as Partial<
+					UseQueryResult<SuccessResponseV2<MetricMetadataResponse>, Error>
+				>) as UseQueryResult<SuccessResponseV2<MetricMetadataResponse>, Error>,
 			]);
 	});
 
@@ -130,11 +133,12 @@ describe('useGetMetrics', () => {
 		jest
 			.spyOn(useGetMultipleMetricsHook, 'useGetMultipleMetrics')
 			.mockReturnValue([
-				{
+				({
 					isLoading: true,
 					isError: false,
-					data: undefined,
-				} as UseQueryResult<AxiosResponse<GetMetricMetadata200>, Error>,
+				} as Partial<
+					UseQueryResult<SuccessResponseV2<MetricMetadataResponse>, Error>
+				>) as UseQueryResult<SuccessResponseV2<MetricMetadataResponse>, Error>,
 			]);
 		const { result } = renderHook(() => useGetMetrics(['metric1']));
 		expect(result.current.metrics).toHaveLength(1);

frontend/src/container/MetricsExplorer/Explorer/types.ts

@@ -1,9 +1,9 @@
 import { Dispatch, SetStateAction } from 'react';
 import { UseQueryResult } from 'react-query';
-import { MetricsexplorertypesMetricMetadataDTO } from 'api/generated/services/sigNoz.schemas';
 import { RelatedMetric } from 'api/metricsExplorer/getRelatedMetrics';
 import { SuccessResponse, Warning } from 'types/api';
 import { MetricRangePayloadProps } from 'types/api/metrics/getQueryRange';
+import { MetricMetadata } from 'types/api/metricsExplorer/v2/getMetricMetadata';
 
 export enum ExplorerTabs {
 	TIME_SERIES = 'time-series',
@@ -18,7 +18,7 @@ export interface TimeSeriesProps {
 	isMetricUnitsError: boolean;
 	metricUnits: (string | undefined)[];
 	metricNames: string[];
-	metrics: (MetricsexplorertypesMetricMetadataDTO | undefined)[];
+	metrics: (MetricMetadata | undefined)[];
 	handleOpenMetricDetails: (metricName: string) => void;
 	yAxisUnit: string | undefined;
 	setYAxisUnit: (unit: string) => void;

frontend/src/container/MetricsExplorer/Explorer/utils.tsx

@@ -1,12 +1,9 @@
-import { UpdateMetricMetadataMutationBody } from 'api/generated/services/metrics';
-import { MetricsexplorertypesMetricMetadataDTO } from 'api/generated/services/sigNoz.schemas';
 import { mapMetricUnitToUniversalUnit } from 'components/YAxisUnitSelector/utils';
 import { useGetMultipleMetrics } from 'hooks/metricsExplorer/useGetMultipleMetrics';
+import { MetricMetadata } from 'types/api/metricsExplorer/v2/getMetricMetadata';
 import { Query } from 'types/api/queryBuilder/queryBuilderData';
 import { v4 as uuid } from 'uuid';
 
-import { determineIsMonotonicV2 } from '../MetricDetails/utils';
-
 /**
  * Split a query with multiple queryData to multiple distinct queries, each with a single queryData.
  * @param query - The query to split
@@ -71,14 +68,16 @@ export function useGetMetrics(
 ): {
 	isLoading: boolean;
 	isError: boolean;
-	metrics: (MetricsexplorertypesMetricMetadataDTO | undefined)[];
+	metrics: (MetricMetadata | undefined)[];
 } {
 	const metricsData = useGetMultipleMetrics(metricNames, {
 		enabled: metricNames.length > 0 && isEnabled,
 	});
 	return {
 		isLoading: metricsData.some((metric) => metric.isLoading),
-		metrics: metricsData.map((metric) => metric.data?.data?.data),
+		metrics: metricsData
+			.map((metric) => metric.data?.data)
+			.map((data) => data?.data),
 		isError: metricsData.some((metric) => metric.isError),
 	};
 }
@@ -90,24 +89,9 @@ export function useGetMetrics(
  * @returns The units of the metrics, can be undefined if the metric has no unit
  */
 export function getMetricUnits(
-	metrics: (MetricsexplorertypesMetricMetadataDTO | undefined)[],
+	metrics: (MetricMetadata | undefined)[],
 ): (string | undefined)[] {
 	return metrics
 		.map((metric) => metric?.unit)
 		.map((unit) => mapMetricUnitToUniversalUnit(unit) || undefined);
 }
-
-export function buildUpdateMetricYAxisUnitPayload(
-	metricName: string,
-	metric: MetricsexplorertypesMetricMetadataDTO,
-	yAxisUnit: string | undefined,
-): UpdateMetricMetadataMutationBody {
-	return {
-		metricName,
-		type: metric?.type,
-		description: metric?.description,
-		unit: yAxisUnit || '',
-		temporality: metric?.temporality,
-		isMonotonic: determineIsMonotonicV2(metric?.type, metric?.temporality),
-	};
-}

frontend/src/container/MetricsExplorer/MetricDetails/utils.tsx

@@ -1,7 +1,3 @@
-import {
-	MetrictypesTemporalityDTO,
-	MetrictypesTypeDTO,
-} from 'api/generated/services/sigNoz.schemas';
 import { Temporality } from 'api/metricsExplorer/getMetricDetails';
 import { MetricType } from 'api/metricsExplorer/getMetricsList';
 import { SpaceAggregation, TimeAggregation } from 'api/v5/v5';
@@ -50,29 +46,6 @@ export function formatNumberToCompactFormat(num: number): string {
 	}).format(num);
 }
 
-export function determineIsMonotonicV2(
-	metricType: MetrictypesTypeDTO,
-	temporality?: MetrictypesTemporalityDTO,
-): boolean {
-	if (
-		metricType === MetrictypesTypeDTO.histogram ||
-		metricType === MetrictypesTypeDTO.exponentialhistogram
-	) {
-		return true;
-	}
-	if (
-		metricType === MetrictypesTypeDTO.gauge ||
-		metricType === MetrictypesTypeDTO.summary
-	) {
-		return false;
-	}
-	if (metricType === MetrictypesTypeDTO.sum) {
-		return temporality === MetrictypesTemporalityDTO.cumulative;
-	}
-	return false;
-}
-
-// TODO: Remove this after API migration is complete
 export function determineIsMonotonic(
 	metricType: MetricType,
 	temporality?: Temporality,

frontend/src/container/MetricsExplorer/Summary/MetricNameSearch.tsx

@@ -1,5 +1,4 @@
 import { useCallback, useEffect, useMemo, useRef, useState } from 'react';
-import { useSearchParams } from 'react-router-dom-v5-compat';
 import {
 	Button,
 	Empty,
@@ -10,22 +9,24 @@ import {
 	Popover,
 	Spin,
 } from 'antd';
+import { Filter } from 'api/v5/v5';
+import {
+	convertExpressionToFilters,
+	convertFiltersToExpression,
+} from 'components/QueryBuilderV2/utils';
 import { REACT_QUERY_KEY } from 'constants/reactQueryKeys';
 import { useGetMetricsListFilterValues } from 'hooks/metricsExplorer/useGetMetricsListFilterValues';
 import useDebouncedFn from 'hooks/useDebouncedFunction';
 import { Search } from 'lucide-react';
 import { DataTypes } from 'types/api/queryBuilder/queryAutocompleteResponse';
-import { TagFilter } from 'types/api/queryBuilder/queryBuilderData';
-
-import { SUMMARY_FILTERS_KEY } from './constants';
 
 function MetricNameSearch({
-	queryFilters,
+	queryFilterExpression,
+	onFilterChange,
 }: {
-	queryFilters: TagFilter;
+	queryFilterExpression: Filter;
+	onFilterChange: (value: string) => void;
 }): JSX.Element {
-	const [searchParams, setSearchParams] = useSearchParams();
-
 	const [isPopoverOpen, setIsPopoverOpen] = useState<boolean>(false);
 	const [searchString, setSearchString] = useState<string>('');
 	const [debouncedSearchString, setDebouncedSearchString] = useState<string>('');
@@ -67,9 +68,12 @@ function MetricNameSearch({
 
 	const handleSelect = useCallback(
 		(selectedMetricName: string): void => {
+			const queryFilters = convertExpressionToFilters(
+				queryFilterExpression?.expression,
+			);
 			const newFilters = {
 				items: [
-					...queryFilters.items,
+					...queryFilters,
 					{
 						id: 'metric_name',
 						op: 'CONTAINS',
@@ -83,13 +87,11 @@ function MetricNameSearch({
 				],
 				op: 'and',
 			};
-			setSearchParams({
-				...Object.fromEntries(searchParams.entries()),
-				[SUMMARY_FILTERS_KEY]: JSON.stringify(newFilters),
-			});
+			const newFilterExpression = convertFiltersToExpression(newFilters);
+			onFilterChange(newFilterExpression.expression);
 			setIsPopoverOpen(false);
 		},
-		[queryFilters.items, setSearchParams, searchParams],
+		[queryFilterExpression, onFilterChange],
 	);
 
 	const metricNameFilterValues = useMemo(

frontend/src/container/MetricsExplorer/Summary/MetricTypeSearch.tsx

@@ -1,23 +1,19 @@
 import { useCallback, useMemo, useState } from 'react';
-import { useSearchParams } from 'react-router-dom-v5-compat';
 import { Button, Menu, Popover, Tooltip } from 'antd';
-import { MetricType } from 'api/metricsExplorer/getMetricsList';
+import { MetrictypesTypeDTO } from 'api/generated/services/sigNoz.schemas';
+import { convertFiltersToExpression } from 'components/QueryBuilderV2/utils';
 import { Search } from 'lucide-react';
 import { TagFilter } from 'types/api/queryBuilder/queryBuilderData';
 
-import {
-	METRIC_TYPE_LABEL_MAP,
-	METRIC_TYPE_VALUES_MAP,
-	SUMMARY_FILTERS_KEY,
-} from './constants';
+import { METRIC_TYPE_LABEL_MAP_V2 } from './constants';
 
 function MetricTypeSearch({
 	queryFilters,
+	onFilterChange,
 }: {
 	queryFilters: TagFilter;
+	onFilterChange: (expression: string) => void;
 }): JSX.Element {
-	const [searchParams, setSearchParams] = useSearchParams();
-
 	const [isPopoverOpen, setIsPopoverOpen] = useState<boolean>(false);
 
 	const menuItems = useMemo(
@@ -26,9 +22,9 @@ function MetricTypeSearch({
 				key: 'all',
 				value: 'All',
 			},
-			...Object.keys(METRIC_TYPE_LABEL_MAP).map((key) => ({
-				key: METRIC_TYPE_VALUES_MAP[key as MetricType],
-				value: METRIC_TYPE_LABEL_MAP[key as MetricType],
+			...Object.keys(METRIC_TYPE_LABEL_MAP_V2).map((key) => ({
+				key: METRIC_TYPE_LABEL_MAP_V2[key as MetrictypesTypeDTO],
+				value: METRIC_TYPE_LABEL_MAP_V2[key as MetrictypesTypeDTO],
 			})),
 		],
 		[],
@@ -36,16 +32,17 @@ function MetricTypeSearch({
 
 	const handleSelect = useCallback(
 		(selectedMetricType: string): void => {
+			let newFilters;
 			if (selectedMetricType !== 'all') {
-				const newFilters = {
+				newFilters = {
 					items: [
 						...queryFilters.items,
 						{
-							id: 'metric_type',
+							id: 'ttype',
 							op: '=',
 							key: {
-								id: 'metric_type',
-								key: 'metric_type',
+								id: 'type',
+								key: 'type',
 								type: 'tag',
 							},
 							value: selectedMetricType,
@@ -53,23 +50,17 @@ function MetricTypeSearch({
 					],
 					op: 'AND',
 				};
-				setSearchParams({
-					...Object.fromEntries(searchParams.entries()),
-					[SUMMARY_FILTERS_KEY]: JSON.stringify(newFilters),
-				});
 			} else {
-				const newFilters = {
-					items: queryFilters.items.filter((item) => item.id !== 'metric_type'),
+				newFilters = {
+					items: queryFilters.items.filter((item) => item.id !== 'type'),
 					op: 'AND',
 				};
-				setSearchParams({
-					...Object.fromEntries(searchParams.entries()),
-					[SUMMARY_FILTERS_KEY]: JSON.stringify(newFilters),
-				});
 			}
+			const newFilterExpression = convertFiltersToExpression(newFilters);
+			onFilterChange(newFilterExpression.expression);
 			setIsPopoverOpen(false);
 		},
-		[queryFilters.items, setSearchParams, searchParams],
+		[queryFilters.items, onFilterChange],
 	);
 
 	const menu = (

frontend/src/container/MetricsExplorer/Summary/MetricsSearch.tsx

@@ -1,27 +1,59 @@
-import { Tooltip } from 'antd';
-import QueryBuilderSearch from 'container/QueryBuilder/filters/QueryBuilderSearch';
+import { useEffect, useState } from 'react';
+import { Button, Tooltip } from 'antd';
+import QuerySearch from 'components/QueryBuilderV2/QueryV2/QuerySearch/QuerySearch';
 import DateTimeSelectionV2 from 'container/TopNav/DateTimeSelectionV2';
-import { HardHat, Info } from 'lucide-react';
+import { Info, Play } from 'lucide-react';
+import { DataSource } from 'types/common/queryBuilder';
 
 import { MetricsSearchProps } from './types';
 
 function MetricsSearch({ query, onChange }: MetricsSearchProps): JSX.Element {
+	const [currentExpression, setCurrentExpression] = useState<string>(
+		query?.filter?.expression || '',
+	);
+
+	useEffect(() => {
+		const expression = query?.filter?.expression || '';
+		setCurrentExpression(expression);
+	}, [query?.filter?.expression]);
+
+	const handleOnChange = (expression: string): void => {
+		setCurrentExpression(expression);
+	};
+
+	const handleStageAndRunQuery = (): void => onChange(currentExpression);
+
 	return (
 		<div className="metrics-search-container">
-			<div className="qb-search-container">
+			<div data-testid="qb-search-container" className="qb-search-container">
 				<Tooltip
 					title="Use filters to refine metrics based on attributes. Example: service_name=api - Shows all metrics associated with the API service"
 					placement="right"
 				>
 					<Info size={16} />
 				</Tooltip>
-				<QueryBuilderSearch
-					query={query}
-					onChange={onChange}
-					suffixIcon={<HardHat size={16} />}
-					isMetricsExplorer
+				<QuerySearch
+					onChange={handleOnChange}
+					dataSource={DataSource.METRICS}
+					queryData={{
+						...query,
+						filter: {
+							...query?.filter,
+							expression: currentExpression,
+						},
+					}}
+					onRun={handleOnChange}
+					showFilterSuggestionsWithoutMetric
 				/>
 			</div>
+			<Button
+				type="primary"
+				onClick={handleStageAndRunQuery}
+				className="stage-run-query"
+				icon={<Play size={14} />}
+			>
+				Stage & Run Query
+			</Button>
 			<div className="metrics-search-options">
 				<DateTimeSelectionV2
 					showAutoRefresh={false}

frontend/src/container/MetricsExplorer/Summary/MetricsTable.tsx

@@ -24,7 +24,8 @@ function MetricsTable({
 	setOrderBy,
 	totalCount,
 	openMetricDetails,
-	queryFilters,
+	queryFilterExpression,
+	onFilterChange,
 }: MetricsTableProps): JSX.Element {
 	const handleTableChange: TableProps<MetricsListItemRowData>['onChange'] = useCallback(
 		(
@@ -36,13 +37,17 @@ function MetricsTable({
 		): void => {
 			if ('field' in sorter && sorter.order) {
 				setOrderBy({
-					columnName: sorter.field as string,
-					order: sorter.order === 'ascend' ? 'asc' : 'desc',
+					key: {
+						name: sorter.field as string,
+					},
+					direction: sorter.order === 'ascend' ? 'asc' : 'desc',
 				});
 			} else {
 				setOrderBy({
-					columnName: 'samples',
-					order: 'desc',
+					key: {
+						name: 'samples',
+					},
+					direction: 'desc',
 				});
 			}
 		},
@@ -51,19 +56,17 @@ function MetricsTable({
 
 	return (
 		<div className="metrics-table-container">
-			{!isError && !isLoading && (
-				<div className="metrics-table-title" data-testid="metrics-table-title">
-					<Typography.Title level={4} className="metrics-table-title">
-						List View
-					</Typography.Title>
-					<Tooltip
-						title="The table displays all metrics in the selected time range. Each row represents a unique metric, and its metric name, and metadata like description, type, unit, and samples/timeseries cardinality observed in the selected time range."
-						placement="right"
-					>
-						<Info size={16} />
-					</Tooltip>
-				</div>
-			)}
+			<div className="metrics-table-title" data-testid="metrics-table-title">
+				<Typography.Title level={4} className="metrics-table-title">
+					List View
+				</Typography.Title>
+				<Tooltip
+					title="The table displays all metrics in the selected time range. Each row represents a unique metric, and its metric name, and metadata like description, type, unit, and samples/timeseries cardinality observed in the selected time range."
+					placement="right"
+				>
+					<Info size={16} />
+				</Tooltip>
+			</div>
 			<Table
 				loading={{
 					spinning: isLoading,
@@ -75,7 +78,7 @@ function MetricsTable({
 					),
 				}}
 				dataSource={data}
-				columns={getMetricsTableColumns(queryFilters)}
+				columns={getMetricsTableColumns(queryFilterExpression, onFilterChange)}
 				locale={{
 					emptyText: isLoading ? null : (
 						<div

frontend/src/container/MetricsExplorer/Summary/MetricsTreemap.tsx

@@ -3,6 +3,7 @@ import { useWindowSize } from 'react-use';
 import { Group } from '@visx/group';
 import { Treemap } from '@visx/hierarchy';
 import { Empty, Select, Skeleton, Tooltip, Typography } from 'antd';
+import { MetricsexplorertypesTreemapModeDTO } from 'api/generated/services/sigNoz.schemas';
 import { stratify, treemapBinary } from 'd3-hierarchy';
 import { Info } from 'lucide-react';
 
@@ -12,7 +13,7 @@ import {
 	TREEMAP_SQUARE_PADDING,
 	TREEMAP_VIEW_OPTIONS,
 } from './constants';
-import { MetricsTreemapProps, TreemapTile, TreemapViewType } from './types';
+import { MetricsTreemapProps, TreemapTile } from './types';
 import {
 	getTreemapTileStyle,
 	getTreemapTileTextStyle,
@@ -40,9 +41,9 @@ function MetricsTreemap({
 
 	const treemapData = useMemo(() => {
 		const extracedTreemapData =
-			(viewType === TreemapViewType.TIMESERIES
-				? data?.data?.[TreemapViewType.TIMESERIES]
-				: data?.data?.[TreemapViewType.SAMPLES]) || [];
+			(viewType === MetricsexplorertypesTreemapModeDTO.timeseries
+				? data?.timeseries
+				: data?.samples) || [];
 		return transformTreemapData(extracedTreemapData, viewType);
 	}, [data, viewType]);
 
@@ -54,62 +55,36 @@ function MetricsTreemap({
 	const xMax = treemapWidth - TREEMAP_MARGINS.LEFT - TREEMAP_MARGINS.RIGHT;
 	const yMax = TREEMAP_HEIGHT - TREEMAP_MARGINS.TOP - TREEMAP_MARGINS.BOTTOM;
 
-	if (isLoading) {
-		return (
-			<div data-testid="metrics-treemap-loading-state">
-				<Skeleton
-					style={{ width: treemapWidth, height: TREEMAP_HEIGHT + 55 }}
-					active
-				/>
-			</div>
-		);
-	}
-
-	if (
-		!data ||
-		!data.data ||
-		(data?.status === 'success' && !data?.data?.[viewType])
-	) {
-		return (
-			<Empty
-				description="No metrics found"
-				data-testid="metrics-treemap-empty-state"
-				style={{ width: treemapWidth, height: TREEMAP_HEIGHT, paddingTop: 30 }}
-			/>
-		);
-	}
-
-	if (data?.status === 'error' || isError) {
-		return (
-			<Empty
-				description="Error fetching metrics. If the problem persists, please contact support."
-				data-testid="metrics-treemap-error-state"
-				style={{ width: treemapWidth, height: TREEMAP_HEIGHT, paddingTop: 30 }}
-			/>
-		);
-	}
-
-	return (
-		<div
-			className="metrics-treemap-container"
-			data-testid="metrics-treemap-container"
-		>
-			<div className="metrics-treemap-title">
-				<div className="metrics-treemap-title-left">
-					<Typography.Title level={4}>Proportion View</Typography.Title>
-					<Tooltip
-						title="The treemap displays the proportion of samples/timeseries in the selected time range. Each tile represents a unique metric, and its size indicates the percentage of samples/timeseries it contributes to the total."
-						placement="right"
-					>
-						<Info size={16} />
-					</Tooltip>
+	const treemapContent = useMemo(() => {
+		if (isLoading) {
+			return (
+				<div data-testid="metrics-treemap-loading-state">
+					<Skeleton style={{ width: treemapWidth, height: TREEMAP_HEIGHT }} active />
 				</div>
-				<Select
-					options={TREEMAP_VIEW_OPTIONS}
-					value={viewType}
-					onChange={setHeatmapView}
+			);
+		}
+
+		if (isError) {
+			return (
+				<Empty
+					description="Error fetching metrics. If the problem persists, please contact support."
+					data-testid="metrics-treemap-error-state"
+					style={{ width: treemapWidth, height: TREEMAP_HEIGHT, paddingTop: 30 }}
 				/>
-			</div>
+			);
+		}
+
+		if (!data || !data?.[viewType]?.length) {
+			return (
+				<Empty
+					description="No metrics found"
+					data-testid="metrics-treemap-empty-state"
+					style={{ width: treemapWidth, height: TREEMAP_HEIGHT, paddingTop: 30 }}
+				/>
+			);
+		}
+
+		return (
 			<svg
 				width={treemapWidth}
 				height={TREEMAP_HEIGHT}
@@ -174,6 +149,42 @@ function MetricsTreemap({
 					)}
 				</Treemap>
 			</svg>
+		);
+	}, [
+		data,
+		isError,
+		isLoading,
+		openMetricDetails,
+		transformedTreemapData,
+		treemapWidth,
+		viewType,
+		xMax,
+		yMax,
+	]);
+
+	return (
+		<div
+			className="metrics-treemap-container"
+			data-testid="metrics-treemap-container"
+		>
+			<div className="metrics-treemap-title">
+				<div className="metrics-treemap-title-left">
+					<Typography.Title level={4}>Proportion View</Typography.Title>
+					<Tooltip
+						title="The treemap displays the proportion of samples/timeseries in the selected time range. Each tile represents a unique metric, and its size indicates the percentage of samples/timeseries it contributes to the total."
+						placement="right"
+					>
+						<Info size={16} />
+					</Tooltip>
+				</div>
+				<Select
+					options={TREEMAP_VIEW_OPTIONS}
+					value={viewType}
+					onChange={setHeatmapView}
+					disabled={isLoading}
+				/>
+			</div>
+			{treemapContent}
 		</div>
 	);
 }

frontend/src/container/MetricsExplorer/Summary/Summary.styles.scss

@@ -38,6 +38,7 @@
 	.metrics-search-container {
 		display: flex;
 		gap: 16px;
+		align-items: center;
 
 		.metrics-search-options {
 			display: flex;

frontend/src/container/MetricsExplorer/Summary/Summary.tsx

@@ -4,11 +4,23 @@ import { useSelector } from 'react-redux';
 import { useSearchParams } from 'react-router-dom-v5-compat';
 import * as Sentry from '@sentry/react';
 import logEvent from 'api/common/logEvent';
-import { initialQueriesMap } from 'constants/queryBuilder';
+import {
+	useGetMetricsStats,
+	useGetMetricsTreemap,
+} from 'api/generated/services/metrics';
+import {
+	MetricsexplorertypesStatsRequestDTO,
+	MetricsexplorertypesTreemapModeDTO,
+	MetricsexplorertypesTreemapRequestDTO,
+	Querybuildertypesv5OrderByDTO,
+} from 'api/generated/services/sigNoz.schemas';
+import {
+	convertExpressionToFilters,
+	convertFiltersToExpression,
+} from 'components/QueryBuilderV2/utils';
 import { usePageSize } from 'container/InfraMonitoringK8s/utils';
 import NoLogs from 'container/NoLogs/NoLogs';
-import { useGetMetricsList } from 'hooks/metricsExplorer/useGetMetricsList';
-import { useGetMetricsTreeMap } from 'hooks/metricsExplorer/useGetMetricsTreeMap';
+import { useQueryBuilder } from 'hooks/queryBuilder/useQueryBuilder';
 import ErrorBoundaryFallback from 'pages/ErrorBoundaryFallback/ErrorBoundaryFallback';
 import { AppState } from 'store/reducers';
 import { TagFilter } from 'types/api/queryBuilder/queryBuilderData';
@@ -23,32 +35,38 @@ import {
 	IS_INSPECT_MODAL_OPEN_KEY,
 	IS_METRIC_DETAILS_OPEN_KEY,
 	SELECTED_METRIC_NAME_KEY,
-	SUMMARY_FILTERS_KEY,
 } from './constants';
 import MetricsSearch from './MetricsSearch';
 import MetricsTable from './MetricsTable';
 import MetricsTreemap from './MetricsTreemap';
-import { OrderByPayload, TreemapViewType } from './types';
-import {
-	convertNanoToMilliseconds,
-	formatDataForMetricsTable,
-	getMetricsListQuery,
-} from './utils';
+import { convertNanoToMilliseconds, formatDataForMetricsTable } from './utils';
 
 import './Summary.styles.scss';
 
-const DEFAULT_ORDER_BY: OrderByPayload = {
-	columnName: 'samples',
-	order: 'desc',
+const DEFAULT_ORDER_BY: Querybuildertypesv5OrderByDTO = {
+	key: {
+		name: 'samples',
+	},
+	direction: 'desc',
 };
 
 function Summary(): JSX.Element {
 	const { pageSize, setPageSize } = usePageSize('metricsExplorer');
 	const [currentPage, setCurrentPage] = useState(1);
-	const [orderBy, setOrderBy] = useState<OrderByPayload>(DEFAULT_ORDER_BY);
-	const [heatmapView, setHeatmapView] = useState<TreemapViewType>(
-		TreemapViewType.TIMESERIES,
+	const [orderBy, setOrderBy] = useState<Querybuildertypesv5OrderByDTO>(
+		DEFAULT_ORDER_BY,
 	);
+	const [
+		heatmapView,
+		setHeatmapView,
+	] = useState<MetricsexplorertypesTreemapModeDTO>(
+		MetricsexplorertypesTreemapModeDTO.timeseries,
+	);
+
+	const { currentQuery, redirectWithQueryBuilderData } = useQueryBuilder();
+	const query = useMemo(() => currentQuery?.builder?.queryData[0], [
+		currentQuery,
+	]);
 
 	const [searchParams, setSearchParams] = useSearchParams();
 	const [isMetricDetailsOpen, setIsMetricDetailsOpen] = useState(
@@ -65,17 +83,6 @@ function Summary(): JSX.Element {
 		(state) => state.globalTime,
 	);
 
-	const queryFilters: TagFilter = useMemo(() => {
-		const encodedFilters = searchParams.get(SUMMARY_FILTERS_KEY);
-		if (encodedFilters) {
-			return JSON.parse(encodedFilters);
-		}
-		return {
-			items: [],
-			op: 'AND',
-		};
-	}, [searchParams]);
-
 	useEffect(() => {
 		logEvent(MetricsExplorerEvents.TabChanged, {
 			[MetricsExplorerEventKeys.Tab]: 'summary',
@@ -87,105 +94,100 @@ function Summary(): JSX.Element {
 		// eslint-disable-next-line react-hooks/exhaustive-deps
 	}, []);
 
-	// This is used to avoid the filters from being serialized with the id
-	const queryFiltersWithoutId = useMemo(() => {
-		const filtersWithoutId = {
-			...queryFilters,
-			items: queryFilters.items.map(({ id: _id, ...rest }) => rest),
-		};
-		return JSON.stringify(filtersWithoutId);
-	}, [queryFilters]);
+	const queryFilterExpression = useMemo(() => {
+		const filters = query?.filters || { items: [], op: 'AND' };
+		return convertFiltersToExpression(filters);
+	}, [query?.filters]);
 
-	const metricsListQuery = useMemo(() => {
-		const baseQuery = getMetricsListQuery();
-		return {
-			...baseQuery,
-			limit: pageSize,
-			offset: (currentPage - 1) * pageSize,
-			filters: queryFilters,
+	const metricsListQuery: MetricsexplorertypesStatsRequestDTO = useMemo(
+		() => ({
 			start: convertNanoToMilliseconds(minTime),
 			end: convertNanoToMilliseconds(maxTime),
+			limit: pageSize,
+			offset: (currentPage - 1) * pageSize,
 			orderBy,
-		};
-	}, [queryFilters, minTime, maxTime, orderBy, pageSize, currentPage]);
+			filter: queryFilterExpression,
+		}),
+		[minTime, maxTime, orderBy, pageSize, currentPage, queryFilterExpression],
+	);
 
-	const metricsTreemapQuery = useMemo(
+	const metricsTreemapQuery: MetricsexplorertypesTreemapRequestDTO = useMemo(
 		() => ({
 			limit: 100,
-			filters: queryFilters,
 			treemap: heatmapView,
 			start: convertNanoToMilliseconds(minTime),
 			end: convertNanoToMilliseconds(maxTime),
+			mode: heatmapView,
+			filter: queryFilterExpression,
 		}),
-		[queryFilters, heatmapView, minTime, maxTime],
+		[heatmapView, minTime, maxTime, queryFilterExpression],
 	);
 
 	const {
 		data: metricsData,
-		isLoading: isMetricsLoading,
-		isFetching: isMetricsFetching,
-		isError: isMetricsError,
-	} = useGetMetricsList(metricsListQuery, {
-		enabled: !!metricsListQuery && !isInspectModalOpen,
-		queryKey: [
-			'metricsList',
-			queryFiltersWithoutId,
-			orderBy,
-			pageSize,
-			currentPage,
-			minTime,
-			maxTime,
-		],
-	});
+		mutate: getMetricsStats,
+		isLoading: isGetMetricsStatsLoading,
+		isError: isGetMetricsStatsError,
+	} = useGetMetricsStats();
+
+	useEffect(() => {
+		getMetricsStats({
+			data: metricsListQuery,
+		});
+	}, [metricsListQuery, getMetricsStats]);
 
 	const isListViewError = useMemo(
-		() => isMetricsError || !!(metricsData && metricsData.statusCode !== 200),
-		[isMetricsError, metricsData],
+		() => isGetMetricsStatsError || metricsData?.status !== 200,
+		[isGetMetricsStatsError, metricsData],
 	);
 
 	const {
 		data: treeMapData,
-		isLoading: isTreeMapLoading,
-		isFetching: isTreeMapFetching,
-		isError: isTreeMapError,
-	} = useGetMetricsTreeMap(metricsTreemapQuery, {
-		enabled: !!metricsTreemapQuery && !isInspectModalOpen,
-		queryKey: [
-			'metricsTreemap',
-			queryFiltersWithoutId,
-			heatmapView,
-			minTime,
-			maxTime,
-		],
-	});
+		mutate: getMetricsTreemap,
+		isLoading: isGetMetricsTreemapLoading,
+		isError: isGetMetricsTreemapError,
+	} = useGetMetricsTreemap();
+
+	useEffect(() => {
+		getMetricsTreemap({
+			data: metricsTreemapQuery,
+		});
+	}, [metricsTreemapQuery, getMetricsTreemap]);
 
 	const isProportionViewError = useMemo(
-		() => isTreeMapError || treeMapData?.statusCode !== 200,
-		[isTreeMapError, treeMapData],
+		() => isGetMetricsTreemapError || treeMapData?.status !== 200,
+		[isGetMetricsTreemapError, treeMapData],
 	);
 
 	const handleFilterChange = useCallback(
-		(value: TagFilter) => {
-			setSearchParams({
-				...Object.fromEntries(searchParams.entries()),
-				[SUMMARY_FILTERS_KEY]: JSON.stringify(value),
+		(expression: string) => {
+			const newFilters: TagFilter = {
+				items: convertExpressionToFilters(expression),
+				op: 'AND',
+			};
+			redirectWithQueryBuilderData({
+				...currentQuery,
+				builder: {
+					...currentQuery.builder,
+					queryData: [
+						{
+							...currentQuery.builder.queryData[0],
+							filters: newFilters,
+							filter: {
+								expression,
+							},
+						},
+					],
+				},
 			});
 			setCurrentPage(1);
-			if (value.items.length > 0) {
+			if (expression) {
 				logEvent(MetricsExplorerEvents.FilterApplied, {
 					[MetricsExplorerEventKeys.Tab]: 'summary',
 				});
 			}
 		},
-		[setSearchParams, searchParams],
-	);
-
-	const searchQuery = useMemo(
-		() => ({
-			...initialQueriesMap.metrics.builder.queryData[0],
-			filters: queryFilters,
-		}),
-		[queryFilters],
+		[currentQuery, redirectWithQueryBuilderData],
 	);
 
 	const onPaginationChange = (page: number, pageSize: number): void => {
@@ -202,7 +204,7 @@ function Summary(): JSX.Element {
 	};
 
 	const formattedMetricsData = useMemo(
-		() => formatDataForMetricsTable(metricsData?.payload?.data?.metrics || []),
+		() => formatDataForMetricsTable(metricsData?.data?.data?.metrics || []),
 		[metricsData],
 	);
 
@@ -254,7 +256,9 @@ function Summary(): JSX.Element {
 		});
 	};
 
-	const handleSetHeatmapView = (view: TreemapViewType): void => {
+	const handleSetHeatmapView = (
+		view: MetricsexplorertypesTreemapModeDTO,
+	): void => {
 		setHeatmapView(view);
 		logEvent(MetricsExplorerEvents.TreemapViewChanged, {
 			[MetricsExplorerEventKeys.Tab]: 'summary',
@@ -262,63 +266,71 @@ function Summary(): JSX.Element {
 		});
 	};
 
-	const handleSetOrderBy = (orderBy: OrderByPayload): void => {
+	const handleSetOrderBy = (orderBy: Querybuildertypesv5OrderByDTO): void => {
 		setOrderBy(orderBy);
 		logEvent(MetricsExplorerEvents.OrderByApplied, {
 			[MetricsExplorerEventKeys.Tab]: 'summary',
-			[MetricsExplorerEventKeys.ColumnName]: orderBy.columnName,
-			[MetricsExplorerEventKeys.Order]: orderBy.order,
+			[MetricsExplorerEventKeys.ColumnName]: orderBy.key?.name,
+			[MetricsExplorerEventKeys.Order]: orderBy.direction,
 		});
 	};
 
 	const isMetricsListDataEmpty = useMemo(
-		() =>
-			formattedMetricsData.length === 0 && !isMetricsLoading && !isMetricsFetching,
-		[formattedMetricsData, isMetricsLoading, isMetricsFetching],
+		() => formattedMetricsData.length === 0 && !isGetMetricsStatsLoading,
+		[formattedMetricsData, isGetMetricsStatsLoading],
 	);
 
 	const isMetricsTreeMapDataEmpty = useMemo(
 		() =>
-			!treeMapData?.payload?.data[heatmapView]?.length &&
-			!isTreeMapLoading &&
-			!isTreeMapFetching,
+			!treeMapData?.data?.data?.[heatmapView]?.length &&
+			!isGetMetricsTreemapLoading,
+		[treeMapData?.data?.data, heatmapView, isGetMetricsTreemapLoading],
+	);
+
+	const showFullScreenLoading = useMemo(
+		() =>
+			(isGetMetricsStatsLoading || isGetMetricsTreemapLoading) &&
+			formattedMetricsData.length === 0 &&
+			!treeMapData?.data?.data?.[heatmapView]?.length,
 		[
-			treeMapData?.payload?.data,
+			isGetMetricsStatsLoading,
+			isGetMetricsTreemapLoading,
+			formattedMetricsData,
+			treeMapData,
 			heatmapView,
-			isTreeMapLoading,
-			isTreeMapFetching,
 		],
 	);
 
 	return (
 		<Sentry.ErrorBoundary fallback={<ErrorBoundaryFallback />}>
 			<div className="metrics-explorer-summary-tab">
-				<MetricsSearch query={searchQuery} onChange={handleFilterChange} />
-				{isMetricsLoading || isTreeMapLoading ? (
+				<MetricsSearch query={query} onChange={handleFilterChange} />
+				{showFullScreenLoading ? (
 					<MetricsLoading />
 				) : isMetricsListDataEmpty && isMetricsTreeMapDataEmpty ? (
 					<NoLogs dataSource={DataSource.METRICS} />
 				) : (
 					<>
 						<MetricsTreemap
-							data={treeMapData?.payload}
-							isLoading={isTreeMapLoading || isTreeMapFetching}
+							data={treeMapData?.data?.data}
+							isLoading={isGetMetricsTreemapLoading}
 							isError={isProportionViewError}
 							viewType={heatmapView}
 							openMetricDetails={openMetricDetails}
 							setHeatmapView={handleSetHeatmapView}
 						/>
 						<MetricsTable
-							isLoading={isMetricsLoading || isMetricsFetching}
+							isLoading={isGetMetricsStatsLoading}
 							isError={isListViewError}
 							data={formattedMetricsData}
 							pageSize={pageSize}
 							currentPage={currentPage}
 							onPaginationChange={onPaginationChange}
 							setOrderBy={handleSetOrderBy}
-							totalCount={metricsData?.payload?.data?.total || 0}
+							totalCount={metricsData?.data?.data?.total || 0}
 							openMetricDetails={openMetricDetails}
-							queryFilters={queryFilters}
+							queryFilterExpression={queryFilterExpression}
+							onFilterChange={handleFilterChange}
 						/>
 					</>
 				)}

frontend/src/container/MetricsExplorer/Summary/__tests__/MetricsTable.test.tsx

@@ -1,10 +1,10 @@
 import { Provider } from 'react-redux';
 import { MemoryRouter } from 'react-router-dom';
 import { fireEvent, render, screen } from '@testing-library/react';
+import { Filter } from 'api/v5/v5';
 import * as useGetMetricsListFilterValues from 'hooks/metricsExplorer/useGetMetricsListFilterValues';
 import * as useQueryBuilderOperationsHooks from 'hooks/queryBuilder/useQueryBuilderOperations';
 import store from 'store';
-import { TagFilter } from 'types/api/queryBuilder/queryBuilderData';
 
 import MetricsTable from '../MetricsTable';
 import { MetricsListItemRowData } from '../types';
@@ -30,9 +30,8 @@ const mockData: MetricsListItemRowData[] = [
 	},
 ];
 
-const mockQueryFilters: TagFilter = {
-	items: [],
-	op: 'AND',
+const mockQueryFilterExpression: Filter = {
+	expression: '',
 };
 
 jest.mock('react-router-dom-v5-compat', () => {
@@ -82,7 +81,8 @@ describe('MetricsTable', () => {
 						setOrderBy={jest.fn()}
 						totalCount={2}
 						openMetricDetails={jest.fn()}
-						queryFilters={mockQueryFilters}
+						queryFilterExpression={mockQueryFilterExpression}
+						onFilterChange={jest.fn()}
 					/>
 				</Provider>
 			</MemoryRouter>,
@@ -106,8 +106,9 @@ describe('MetricsTable', () => {
 						setOrderBy={jest.fn()}
 						totalCount={2}
 						openMetricDetails={jest.fn()}
-						queryFilters={mockQueryFilters}
+						queryFilterExpression={mockQueryFilterExpression}
 						isLoading
+						onFilterChange={jest.fn()}
 					/>
 				</Provider>
 			</MemoryRouter>,
@@ -130,7 +131,8 @@ describe('MetricsTable', () => {
 						setOrderBy={jest.fn()}
 						totalCount={2}
 						openMetricDetails={jest.fn()}
-						queryFilters={mockQueryFilters}
+						queryFilterExpression={mockQueryFilterExpression}
+						onFilterChange={jest.fn()}
 					/>
 				</Provider>
 			</MemoryRouter>,
@@ -158,7 +160,8 @@ describe('MetricsTable', () => {
 						setOrderBy={jest.fn()}
 						totalCount={2}
 						openMetricDetails={jest.fn()}
-						queryFilters={mockQueryFilters}
+						queryFilterExpression={mockQueryFilterExpression}
+						onFilterChange={jest.fn()}
 					/>
 				</Provider>
 			</MemoryRouter>,
@@ -187,7 +190,8 @@ describe('MetricsTable', () => {
 						setOrderBy={jest.fn()}
 						totalCount={2}
 						openMetricDetails={mockOpenMetricDetails}
-						queryFilters={mockQueryFilters}
+						queryFilterExpression={mockQueryFilterExpression}
+						onFilterChange={jest.fn()}
 					/>
 				</Provider>
 			</MemoryRouter>,
@@ -212,7 +216,8 @@ describe('MetricsTable', () => {
 						setOrderBy={mockSetOrderBy}
 						totalCount={2}
 						openMetricDetails={jest.fn()}
-						queryFilters={mockQueryFilters}
+						queryFilterExpression={mockQueryFilterExpression}
+						onFilterChange={jest.fn()}
 					/>
 				</Provider>
 			</MemoryRouter>,
@@ -222,8 +227,10 @@ describe('MetricsTable', () => {
 		fireEvent.click(samplesHeader);
 
 		expect(mockSetOrderBy).toHaveBeenCalledWith({
-			columnName: 'samples',
-			order: 'asc',
+			key: {
+				name: 'samples',
+			},
+			direction: 'asc',
 		});
 	});
 });

frontend/src/container/MetricsExplorer/Summary/__tests__/MetricsTreemap.test.tsx

@@ -1,10 +1,10 @@
 import { Provider } from 'react-redux';
 import { MemoryRouter } from 'react-router-dom';
 import { render, screen } from '@testing-library/react';
+import { MetricsexplorertypesTreemapModeDTO } from 'api/generated/services/sigNoz.schemas';
 import store from 'store';
 
 import MetricsTreemap from '../MetricsTreemap';
-import { TreemapViewType } from '../types';
 
 jest.mock('d3-hierarchy', () => ({
 	stratify: jest.fn().mockReturnValue({
@@ -27,14 +27,14 @@ jest.mock('react-use', () => ({
 
 const mockData = [
 	{
-		metric_name: 'Metric 1',
+		metricName: 'Metric 1',
 		percentage: 0.5,
-		total_value: 15,
+		totalValue: 15,
 	},
 	{
-		metric_name: 'Metric 2',
+		metricName: 'Metric 2',
 		percentage: 0.6,
-		total_value: 10,
+		totalValue: 10,
 	},
 ];
 
@@ -47,14 +47,11 @@ describe('MetricsTreemap', () => {
 						isLoading={false}
 						isError={false}
 						data={{
-							status: 'success',
-							data: {
-								timeseries: [mockData[0]],
-								samples: [mockData[1]],
-							},
+							timeseries: [mockData[0]],
+							samples: [mockData[1]],
 						}}
 						openMetricDetails={jest.fn()}
-						viewType={TreemapViewType.SAMPLES}
+						viewType={MetricsexplorertypesTreemapModeDTO.samples}
 						setHeatmapView={jest.fn()}
 					/>
 				</Provider>
@@ -72,14 +69,11 @@ describe('MetricsTreemap', () => {
 						isLoading
 						isError={false}
 						data={{
-							status: 'success',
-							data: {
-								timeseries: [mockData[0]],
-								samples: [mockData[1]],
-							},
+							timeseries: [mockData[0]],
+							samples: [mockData[1]],
 						}}
 						openMetricDetails={jest.fn()}
-						viewType={TreemapViewType.SAMPLES}
+						viewType={MetricsexplorertypesTreemapModeDTO.samples}
 						setHeatmapView={jest.fn()}
 					/>
 				</Provider>
@@ -99,14 +93,11 @@ describe('MetricsTreemap', () => {
 						isLoading={false}
 						isError
 						data={{
-							status: 'success',
-							data: {
-								timeseries: [mockData[0]],
-								samples: [mockData[1]],
-							},
+							timeseries: [mockData[0]],
+							samples: [mockData[1]],
 						}}
 						openMetricDetails={jest.fn()}
-						viewType={TreemapViewType.SAMPLES}
+						viewType={MetricsexplorertypesTreemapModeDTO.samples}
 						setHeatmapView={jest.fn()}
 					/>
 				</Provider>
@@ -130,7 +121,7 @@ describe('MetricsTreemap', () => {
 						isError={false}
 						data={null}
 						openMetricDetails={jest.fn()}
-						viewType={TreemapViewType.SAMPLES}
+						viewType={MetricsexplorertypesTreemapModeDTO.samples}
 						setHeatmapView={jest.fn()}
 					/>
 				</Provider>

frontend/src/container/MetricsExplorer/Summary/__tests__/utils.test.tsx

@@ -1,8 +1,9 @@
 import { Color } from '@signozhq/design-tokens';
 import { render } from '@testing-library/react';
+import { MetrictypesTypeDTO } from 'api/generated/services/sigNoz.schemas';
 import { MetricType } from 'api/metricsExplorer/getMetricsList';
+import { Filter } from 'api/v5/v5';
 import { getUniversalNameFromMetricUnit } from 'components/YAxisUnitSelector/utils';
-import { TagFilter } from 'types/api/queryBuilder/queryBuilderData';
 
 import { TreemapViewType } from '../types';
 import {
@@ -11,52 +12,76 @@ import {
 	MetricTypeRenderer,
 } from '../utils';
 
-describe('metricsTableColumns', () => {
-	const mockQueryFilters: TagFilter = {
-		items: [],
-		op: 'AND',
-	};
+const mockQueryExpression: Filter = {
+	expression: '',
+};
+const mockOnChange = jest.fn();
 
+describe('metricsTableColumns', () => {
 	it('should have correct column definitions', () => {
-		expect(getMetricsTableColumns(mockQueryFilters)).toHaveLength(6);
+		expect(
+			getMetricsTableColumns(mockQueryExpression, mockOnChange),
+		).toHaveLength(6);
 
 		// Metric Name column
-		expect(getMetricsTableColumns(mockQueryFilters)[0].dataIndex).toBe(
-			'metric_name',
-		);
-		expect(getMetricsTableColumns(mockQueryFilters)[0].width).toBe(400);
-		expect(getMetricsTableColumns(mockQueryFilters)[0].sorter).toBe(false);
+		expect(
+			getMetricsTableColumns(mockQueryExpression, mockOnChange)[0].dataIndex,
+		).toBe('metric_name');
+		expect(
+			getMetricsTableColumns(mockQueryExpression, mockOnChange)[0].width,
+		).toBe(400);
+		expect(
+			getMetricsTableColumns(mockQueryExpression, mockOnChange)[0].sorter,
+		).toBe(false);
 
 		// Description column
-		expect(getMetricsTableColumns(mockQueryFilters)[1].dataIndex).toBe(
-			'description',
-		);
-		expect(getMetricsTableColumns(mockQueryFilters)[1].width).toBe(400);
+		expect(
+			getMetricsTableColumns(mockQueryExpression, mockOnChange)[1].dataIndex,
+		).toBe('description');
+		expect(
+			getMetricsTableColumns(mockQueryExpression, mockOnChange)[1].width,
+		).toBe(400);
 
 		// Type column
-		expect(getMetricsTableColumns(mockQueryFilters)[2].dataIndex).toBe(
-			'metric_type',
-		);
-		expect(getMetricsTableColumns(mockQueryFilters)[2].width).toBe(150);
-		expect(getMetricsTableColumns(mockQueryFilters)[2].sorter).toBe(false);
+		expect(
+			getMetricsTableColumns(mockQueryExpression, mockOnChange)[2].dataIndex,
+		).toBe('metric_type');
+		expect(
+			getMetricsTableColumns(mockQueryExpression, mockOnChange)[2].width,
+		).toBe(150);
+		expect(
+			getMetricsTableColumns(mockQueryExpression, mockOnChange)[2].sorter,
+		).toBe(false);
 
 		// Unit column
-		expect(getMetricsTableColumns(mockQueryFilters)[3].dataIndex).toBe('unit');
-		expect(getMetricsTableColumns(mockQueryFilters)[3].width).toBe(150);
+		expect(
+			getMetricsTableColumns(mockQueryExpression, mockOnChange)[3].dataIndex,
+		).toBe('unit');
+		expect(
+			getMetricsTableColumns(mockQueryExpression, mockOnChange)[3].width,
+		).toBe(150);
 
 		// Samples column
-		expect(getMetricsTableColumns(mockQueryFilters)[4].dataIndex).toBe(
-			TreemapViewType.SAMPLES,
-		);
-		expect(getMetricsTableColumns(mockQueryFilters)[4].width).toBe(150);
-		expect(getMetricsTableColumns(mockQueryFilters)[4].sorter).toBe(true);
+		expect(
+			getMetricsTableColumns(mockQueryExpression, mockOnChange)[4].dataIndex,
+		).toBe(TreemapViewType.SAMPLES);
+		expect(
+			getMetricsTableColumns(mockQueryExpression, mockOnChange)[4].width,
+		).toBe(150);
+		expect(
+			getMetricsTableColumns(mockQueryExpression, mockOnChange)[4].sorter,
+		).toBe(true);
 
 		// Time Series column
-		expect(getMetricsTableColumns(mockQueryFilters)[5].dataIndex).toBe(
-			TreemapViewType.TIMESERIES,
-		);
-		expect(getMetricsTableColumns(mockQueryFilters)[5].width).toBe(150);
-		expect(getMetricsTableColumns(mockQueryFilters)[5].sorter).toBe(true);
+		expect(
+			getMetricsTableColumns(mockQueryExpression, mockOnChange)[5].dataIndex,
+		).toBe(TreemapViewType.TIMESERIES);
+		expect(
+			getMetricsTableColumns(mockQueryExpression, mockOnChange)[5].width,
+		).toBe(150);
+		expect(
+			getMetricsTableColumns(mockQueryExpression, mockOnChange)[5].sorter,
+		).toBe(true);
 	});
 
 	describe('MetricTypeRenderer', () => {
@@ -111,12 +136,12 @@ describe('formatDataForMetricsTable', () => {
 	it('should format metrics data correctly', () => {
 		const mockData = [
 			{
-				metric_name: 'test_metric',
+				metricName: 'test_metric',
 				description: 'Test description',
-				type: MetricType.GAUGE,
+				type: MetrictypesTypeDTO.gauge,
 				unit: 'bytes',
-				[TreemapViewType.SAMPLES]: 1000,
-				[TreemapViewType.TIMESERIES]: 2000,
+				samples: 1000,
+				timeseries: 2000,
 				lastReceived: '2023-01-01T00:00:00Z',
 			},
 		];
@@ -163,12 +188,12 @@ describe('formatDataForMetricsTable', () => {
 	it('should handle empty/null values', () => {
 		const mockData = [
 			{
-				metric_name: '',
+				metricName: '',
 				description: '',
-				type: MetricType.GAUGE,
+				type: MetrictypesTypeDTO.gauge,
 				unit: '',
-				[TreemapViewType.SAMPLES]: 0,
-				[TreemapViewType.TIMESERIES]: 0,
+				samples: 0,
+				timeseries: 0,
 				lastReceived: '2023-01-01T00:00:00Z',
 			},
 		];

frontend/src/container/MetricsExplorer/Summary/constants.ts

@@ -1,15 +1,17 @@
+import {
+	MetricsexplorertypesTreemapModeDTO,
+	MetrictypesTypeDTO,
+} from 'api/generated/services/sigNoz.schemas';
 import { MetricType } from 'api/metricsExplorer/getMetricsList';
 
-import { TreemapViewType } from './types';
-
 export const METRICS_TABLE_PAGE_SIZE = 10;
 
 export const TREEMAP_VIEW_OPTIONS: {
-	value: TreemapViewType;
+	value: MetricsexplorertypesTreemapModeDTO;
 	label: string;
 }[] = [
-	{ value: TreemapViewType.TIMESERIES, label: 'Time Series' },
-	{ value: TreemapViewType.SAMPLES, label: 'Samples' },
+	{ value: MetricsexplorertypesTreemapModeDTO.timeseries, label: 'Time Series' },
+	{ value: MetricsexplorertypesTreemapModeDTO.samples, label: 'Samples' },
 ];
 
 export const TREEMAP_HEIGHT = 200;
@@ -17,6 +19,7 @@ export const TREEMAP_SQUARE_PADDING = 5;
 
 export const TREEMAP_MARGINS = { TOP: 10, LEFT: 10, RIGHT: 10, BOTTOM: 10 };
 
+// TODO: Remove this once API migration is complete
 export const METRIC_TYPE_LABEL_MAP = {
 	[MetricType.SUM]: 'Sum',
 	[MetricType.GAUGE]: 'Gauge',
@@ -25,6 +28,14 @@ export const METRIC_TYPE_LABEL_MAP = {
 	[MetricType.EXPONENTIAL_HISTOGRAM]: 'Exp. Histogram',
 };
 
+export const METRIC_TYPE_LABEL_MAP_V2 = {
+	[MetrictypesTypeDTO.sum]: 'Sum',
+	[MetrictypesTypeDTO.gauge]: 'Gauge',
+	[MetrictypesTypeDTO.histogram]: 'Histogram',
+	[MetrictypesTypeDTO.summary]: 'Summary',
+	[MetrictypesTypeDTO.exponentialhistogram]: 'Exp. Histogram',
+};
+
 export const METRIC_TYPE_VALUES_MAP = {
 	[MetricType.SUM]: 'Sum',
 	[MetricType.GAUGE]: 'Gauge',
@@ -36,4 +47,3 @@ export const METRIC_TYPE_VALUES_MAP = {
 export const IS_METRIC_DETAILS_OPEN_KEY = 'isMetricDetailsOpen';
 export const IS_INSPECT_MODAL_OPEN_KEY = 'isInspectModalOpen';
 export const SELECTED_METRIC_NAME_KEY = 'selectedMetricName';
-export const SUMMARY_FILTERS_KEY = 'summaryFilters';

frontend/src/container/MetricsExplorer/Summary/types.ts

@@ -1,9 +1,11 @@
 import React from 'react';
-import { MetricsTreeMapResponse } from 'api/metricsExplorer/getMetricsTreeMap';
 import {
-	IBuilderQuery,
-	TagFilter,
-} from 'types/api/queryBuilder/queryBuilderData';
+	MetricsexplorertypesTreemapModeDTO,
+	MetricsexplorertypesTreemapResponseDTO,
+	Querybuildertypesv5OrderByDTO,
+} from 'api/generated/services/sigNoz.schemas';
+import { Filter } from 'api/v5/v5';
+import { IBuilderQuery } from 'types/api/queryBuilder/queryBuilderData';
 
 export interface MetricsTableProps {
 	isLoading: boolean;
@@ -12,24 +14,25 @@ export interface MetricsTableProps {
 	pageSize: number;
 	currentPage: number;
 	onPaginationChange: (page: number, pageSize: number) => void;
-	setOrderBy: (orderBy: OrderByPayload) => void;
+	setOrderBy: (orderBy: Querybuildertypesv5OrderByDTO) => void;
 	totalCount: number;
 	openMetricDetails: (metricName: string, view: 'list' | 'treemap') => void;
-	queryFilters: TagFilter;
+	queryFilterExpression: Filter;
+	onFilterChange: (expression: string) => void;
 }
 
 export interface MetricsSearchProps {
 	query: IBuilderQuery;
-	onChange: (value: TagFilter) => void;
+	onChange: (expression: string) => void;
 }
 
 export interface MetricsTreemapProps {
-	data: MetricsTreeMapResponse | null | undefined;
+	data: MetricsexplorertypesTreemapResponseDTO | null | undefined;
 	isLoading: boolean;
 	isError: boolean;
-	viewType: TreemapViewType;
+	viewType: MetricsexplorertypesTreemapModeDTO;
 	openMetricDetails: (metricName: string, view: 'list' | 'treemap') => void;
-	setHeatmapView: (value: TreemapViewType) => void;
+	setHeatmapView: (value: MetricsexplorertypesTreemapModeDTO) => void;
 }
 
 export interface OrderByPayload {