refactor: recent query

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

@@ -190,7 +190,7 @@ services:
       # - ../common/clickhouse/storage.xml:/etc/clickhouse-server/config.d/storage.xml
   signoz:
     !!merge <<: *db-depend
-    image: signoz/signoz:v0.126.0
+    image: signoz/signoz:v0.125.1
     ports:
       - "8080:8080" # signoz port
     #   - "6060:6060"     # pprof port

deploy/docker-swarm/docker-compose.yaml

@@ -117,7 +117,7 @@ services:
       # - ../common/clickhouse/storage.xml:/etc/clickhouse-server/config.d/storage.xml
   signoz:
     !!merge <<: *db-depend
-    image: signoz/signoz:v0.126.0
+    image: signoz/signoz:v0.125.1
     ports:
       - "8080:8080" # signoz port
     volumes:

deploy/docker/docker-compose.ha.yaml

@@ -181,7 +181,7 @@ services:
       # - ../common/clickhouse/storage.xml:/etc/clickhouse-server/config.d/storage.xml
   signoz:
     !!merge <<: *db-depend
-    image: signoz/signoz:${VERSION:-v0.126.0}
+    image: signoz/signoz:${VERSION:-v0.125.1}
     container_name: signoz
     ports:
       - "8080:8080" # signoz port

deploy/docker/docker-compose.yaml

@@ -109,7 +109,7 @@ services:
       # - ../common/clickhouse/storage.xml:/etc/clickhouse-server/config.d/storage.xml
   signoz:
     !!merge <<: *db-depend
-    image: signoz/signoz:${VERSION:-v0.126.0}
+    image: signoz/signoz:${VERSION:-v0.125.1}
     container_name: signoz
     ports:
       - "8080:8080" # signoz port

frontend/src/AppRoutes/Private.tsx

@@ -102,11 +102,7 @@ function PrivateRoute({ children }: PrivateRouteProps): JSX.Element {
 		return <>{children}</>;
 	}
 
-	if (
-		(pathname === ROUTES.AI_ASSISTANT_BASE ||
-			pathname.startsWith('/ai-assistant/')) &&
-		!isAIAssistantEnabled
-	) {
+	if (pathname.startsWith('/ai-assistant/') && !isAIAssistantEnabled) {
 		return <Redirect to={ROUTES.HOME} />;
 	}
 

frontend/src/AppRoutes/index.tsx

@@ -229,18 +229,18 @@ function App(): JSX.Element {
 		}
 
 		setRoutes((prev) => {
-			const hasAi = prev.some((r) => r.key === 'AI_ASSISTANT');
+			const hasAi = prev.some((r) => r.path === ROUTES.AI_ASSISTANT);
 			if (isAIAssistantEnabled === hasAi) {
 				return prev;
 			}
 			if (isAIAssistantEnabled) {
-				const aiRoute = defaultRoutes.find((r) => r.key === 'AI_ASSISTANT');
+				const aiRoute = defaultRoutes.find((r) => r.path === ROUTES.AI_ASSISTANT);
 				if (!aiRoute) {
 					return prev;
 				}
-				return [...prev.filter((r) => r.key !== 'AI_ASSISTANT'), aiRoute];
+				return [...prev.filter((r) => r.path !== ROUTES.AI_ASSISTANT), aiRoute];
 			}
-			return prev.filter((r) => r.key !== 'AI_ASSISTANT');
+			return prev.filter((r) => r.path !== ROUTES.AI_ASSISTANT);
 		});
 	}, [isLoggedInState, isAIAssistantEnabled]);
 
@@ -254,7 +254,6 @@ function App(): JSX.Element {
 		if (
 			pathname === ROUTES.ONBOARDING ||
 			pathname.startsWith('/public/dashboard/') ||
-			pathname === '/ai-assistant' ||
 			pathname.startsWith('/ai-assistant/')
 		) {
 			window.Pylon?.('hideChatBubble');

frontend/src/AppRoutes/routes.ts

@@ -501,7 +501,7 @@ const routes: AppRoutes[] = [
 		isPrivate: true,
 	},
 	{
-		path: [ROUTES.AI_ASSISTANT_BASE, ROUTES.AI_ASSISTANT],
+		path: ROUTES.AI_ASSISTANT,
 		exact: true,
 		component: AIAssistantPage,
 		key: 'AI_ASSISTANT',

frontend/src/api/AIAPIInstance.ts

@@ -40,7 +40,6 @@ export function setAIBackendUrl(url: string | null): void {
 	if (aiBackendUrl === url) {
 		return;
 	}
-
 	aiBackendUrl = url;
 	AIAssistantInstance.defaults.baseURL = url ? `${url}${AI_API_PATH}` : '';
 }

frontend/src/api/ai-assistant/sigNozAIAssistantAPI.schemas.ts

@@ -37,16 +37,6 @@ export enum ApplyFilterSignalDTO {
 	traces = 'traces',
 	metrics = 'metrics',
 }
-export enum ApprovalStateDTO {
-	pending = 'pending',
-	approved = 'approved',
-	rejected = 'rejected',
-	superseded = 'superseded',
-}
-export enum ApprovalActionTypeDTO {
-	modify = 'modify',
-	delete = 'delete',
-}
 /**
  * Resolved approval (approved/rejected/superseded) anchored on the assistant message that proposed it. Pending approvals never appear here - they live at the top-level pendingApproval slot.
  */
@@ -73,6 +63,16 @@ export interface ApprovalActionSummaryDTO {
 	resolvedAt: string;
 }
 
+export enum ApprovalActionTypeDTO {
+	modify = 'modify',
+	delete = 'delete',
+}
+export enum ApprovalStateDTO {
+	pending = 'pending',
+	approved = 'approved',
+	rejected = 'rejected',
+	superseded = 'superseded',
+}
 export type ApprovalSummaryDTODiff = { [key: string]: unknown };
 
 export interface ApprovalSummaryDTO {
@@ -139,16 +139,6 @@ export interface CancelRequestDTO {
 	threadId: string;
 }
 
-export enum ExecutionStateDTO {
-	queued = 'queued',
-	running = 'running',
-	awaiting_approval = 'awaiting_approval',
-	awaiting_clarification = 'awaiting_clarification',
-	resumed = 'resumed',
-	completed = 'completed',
-	failed = 'failed',
-	canceled = 'canceled',
-}
 export interface CancelResponseDTO {
 	/**
 	 * @type string
@@ -163,13 +153,6 @@ export type ClarificationFieldDTOOptions = string[] | null;
 
 export type ClarificationFieldDTODefault = string | string[] | null;
 
-export enum ClarificationFieldTypeDTO {
-	text = 'text',
-	number = 'number',
-	select = 'select',
-	multi_select = 'multi_select',
-	boolean = 'boolean',
-}
 export interface ClarificationFieldDTO {
 	/**
 	 * @type string
@@ -192,6 +175,13 @@ export interface ClarificationFieldDTO {
 	default?: ClarificationFieldDTODefault;
 }
 
+export enum ClarificationFieldTypeDTO {
+	text = 'text',
+	number = 'number',
+	select = 'select',
+	multi_select = 'multi_select',
+	boolean = 'boolean',
+}
 export enum ClarificationStateDTO {
 	pending = 'pending',
 	submitted = 'submitted',
@@ -262,21 +252,178 @@ export interface ClarifyResponseDTO {
 	executionId: string;
 }
 
+export type CreateMessageRequestDTOContexts = MessageContextDTO[] | null;
+
+export type CreateMessageRequestDTOForkFromMessageId = string | null;
+
+export interface CreateMessageRequestDTO {
+	/**
+	 * @type string
+	 * @maxLength 20000
+	 * @minLength 1
+	 */
+	content: string;
+	contexts?: CreateMessageRequestDTOContexts;
+	forkFromMessageId?: CreateMessageRequestDTOForkFromMessageId;
+}
+
+export interface CreateMessageResponseDTO {
+	/**
+	 * @type string
+	 * @format uuid
+	 */
+	executionId: string;
+}
+
+export type CreateThreadRequestDTOTitle = string | null;
+
+export interface CreateThreadRequestDTO {
+	title?: CreateThreadRequestDTOTitle;
+}
+
+export interface CreateThreadResponseDTO {
+	/**
+	 * @type string
+	 * @format uuid
+	 */
+	threadId: string;
+}
+
+export type ErrorBodyDTOErrors = ErrorResponseAdditionalDTO[] | null;
+
+export type ErrorBodyDTOUrl = string | null;
+
 /**
-   * Identifier exposed on the wire for each counter row.
-  
-  Mirrors the ``RateLimitCounterType`` model enum minus the cost
-  counter. The daily-cost limit is enforced internally (Redis
-  counter + 429 from the pre-flight gate) but never surfaced on the
-  customer-facing API: shipping the raw provider cost to tenant users
-  pins our public pricing model to what we pay Anthropic and forecloses
-  markup, per-seat bundling, or tiered pricing. Cost stays internal on
-  ``assistant_executions`` + Redis for billing.
-   */
-export enum CounterTypeNameDTO {
-	hourly_message = 'hourly_message',
-	daily_message = 'daily_message',
-	daily_token = 'daily_token',
+ * Inner error object — matches Go ErrorsJSON.
+ */
+export interface ErrorBodyDTO {
+	/**
+	 * @type string
+	 * @pattern ^[a-z_]+$
+	 */
+	code: string;
+	/**
+	 * @type string
+	 */
+	message: string;
+	errors?: ErrorBodyDTOErrors;
+	url?: ErrorBodyDTOUrl;
+}
+
+/**
+ * Top-level error envelope — matches Go RenderErrorResponse.
+ */
+export interface ErrorResponseDTO {
+	/**
+	 * @type string
+	 */
+	status?: string;
+	error: ErrorBodyDTO;
+}
+
+/**
+ * Single sub-error entry — matches Go ErrorsResponseerroradditional.
+ */
+export interface ErrorResponseAdditionalDTO {
+	/**
+	 * @type string
+	 */
+	message: string;
+}
+
+export enum ExecutionStateDTO {
+	queued = 'queued',
+	running = 'running',
+	awaiting_approval = 'awaiting_approval',
+	awaiting_clarification = 'awaiting_clarification',
+	resumed = 'resumed',
+	completed = 'completed',
+	failed = 'failed',
+	canceled = 'canceled',
+}
+export enum FeedbackRatingDTO {
+	positive = 'positive',
+	negative = 'negative',
+}
+export type FeedbackRequestDTOComment = string | null;
+
+export interface FeedbackRequestDTO {
+	rating: FeedbackRatingDTO;
+	comment?: FeedbackRequestDTOComment;
+}
+
+export interface FeedbackResponseDTO {
+	[key: string]: unknown;
+}
+
+export interface HTTPValidationErrorDTO {
+	/**
+	 * @type array
+	 */
+	detail?: ValidationErrorDTO[];
+}
+
+export const HealthResponseDTOValue = {
+	/**
+	 * @type string
+	 */
+	status: 'ok',
+} as const;
+export type HealthResponseDTO = typeof HealthResponseDTOValue;
+
+export type MessageActionDTOActionMetadataId = string | null;
+
+export type MessageActionDTOResourceType = string | null;
+
+export type MessageActionDTOResourceId = string | null;
+
+export type MessageActionDTOState = string | null;
+
+export type MessageActionDTOInputAnyOf = { [key: string]: unknown };
+
+export type MessageActionDTOInput = MessageActionDTOInputAnyOf | null;
+
+export type MessageActionDTOTooltip = string | null;
+
+export type MessageActionDTOSignal = ApplyFilterSignalDTO | null;
+
+export type MessageActionDTOQueryAnyOf = { [key: string]: unknown };
+
+export type MessageActionDTOQuery = MessageActionDTOQueryAnyOf | null;
+
+export type MessageActionDTOUrl = string | null;
+
+/**
+ * Assistant action. Kind-specific requirements: rollback actions require actionMetadataId/resourceType/resourceId; follow_up requires input.intent; open_resource requires resourceType/resourceId; apply_filter requires signal and query; open_docs requires a SigNoz docs url.
+ */
+export interface MessageActionDTO {
+	kind: MessageActionKindDTO;
+	/**
+	 * @type string
+	 */
+	label: string;
+	actionMetadataId?: MessageActionDTOActionMetadataId;
+	resourceType?: MessageActionDTOResourceType;
+	resourceId?: MessageActionDTOResourceId;
+	state?: MessageActionDTOState;
+	input?: MessageActionDTOInput;
+	tooltip?: MessageActionDTOTooltip;
+	signal?: MessageActionDTOSignal;
+	query?: MessageActionDTOQuery;
+	url?: MessageActionDTOUrl;
+}
+
+export enum MessageActionKindDTO {
+	undo = 'undo',
+	revert = 'revert',
+	restore = 'restore',
+	follow_up = 'follow_up',
+	open_resource = 'open_resource',
+	open_docs = 'open_docs',
+	apply_filter = 'apply_filter',
+}
+export enum MessageContentTypeDTO {
+	markdown = 'markdown',
 }
 /**
  * "auto" if derived from current page; "mention" if explicitly @-picked.
@@ -335,193 +482,6 @@ export interface MessageContextDTO {
 	metadata?: MessageContextDTOMetadata;
 }
 
-export type CreateMessageRequestDTOContexts = MessageContextDTO[] | null;
-
-export type CreateMessageRequestDTOForkFromMessageId = string | null;
-
-export interface CreateMessageRequestDTO {
-	/**
-	 * @type string
-	 * @maxLength 20000
-	 * @minLength 1
-	 */
-	content: string;
-	contexts?: CreateMessageRequestDTOContexts;
-	forkFromMessageId?: CreateMessageRequestDTOForkFromMessageId;
-}
-
-export interface CreateMessageResponseDTO {
-	/**
-	 * @type string
-	 * @format uuid
-	 */
-	executionId: string;
-}
-
-export type CreateThreadRequestDTOTitle = string | null;
-
-export interface CreateThreadRequestDTO {
-	title?: CreateThreadRequestDTOTitle;
-}
-
-export interface CreateThreadResponseDTO {
-	/**
-	 * @type string
-	 * @format uuid
-	 */
-	threadId: string;
-}
-
-/**
- * Single sub-error entry — matches Go ErrorsResponseerroradditional.
- */
-export interface ErrorResponseAdditionalDTO {
-	/**
-	 * @type string
-	 */
-	message: string;
-}
-
-export type ErrorBodyDTOErrors = ErrorResponseAdditionalDTO[] | null;
-
-export type ErrorBodyDTOUrl = string | null;
-
-/**
- * Inner error object — matches Go ErrorsJSON.
- */
-export interface ErrorBodyDTO {
-	/**
-	 * @type string
-	 * @pattern ^[a-z_]+$
-	 */
-	code: string;
-	/**
-	 * @type string
-	 */
-	message: string;
-	errors?: ErrorBodyDTOErrors;
-	url?: ErrorBodyDTOUrl;
-}
-
-/**
- * Top-level error envelope — matches Go RenderErrorResponse.
- */
-export interface ErrorResponseDTO {
-	/**
-	 * @type string
-	 */
-	status?: string;
-	error: ErrorBodyDTO;
-}
-
-export enum FeedbackRatingDTO {
-	positive = 'positive',
-	negative = 'negative',
-}
-export type FeedbackRequestDTOComment = string | null;
-
-export interface FeedbackRequestDTO {
-	rating: FeedbackRatingDTO;
-	comment?: FeedbackRequestDTOComment;
-}
-
-export interface FeedbackResponseDTO {
-	[key: string]: unknown;
-}
-
-export type ValidationErrorDTOLocItem = string | number;
-
-export type ValidationErrorDTOCtx = { [key: string]: unknown };
-
-export interface ValidationErrorDTO {
-	/**
-	 * @type array
-	 */
-	loc: ValidationErrorDTOLocItem[];
-	/**
-	 * @type string
-	 */
-	msg: string;
-	/**
-	 * @type string
-	 */
-	type: string;
-	input?: unknown;
-	/**
-	 * @type object
-	 */
-	ctx?: ValidationErrorDTOCtx;
-}
-
-export interface HTTPValidationErrorDTO {
-	/**
-	 * @type array
-	 */
-	detail?: ValidationErrorDTO[];
-}
-
-export const HealthResponseDTOValue = {
-	/**
-	 * @type string
-	 */
-	status: 'ok',
-} as const;
-export type HealthResponseDTO = typeof HealthResponseDTOValue;
-
-export type MessageActionDTOActionMetadataId = string | null;
-
-export type MessageActionDTOResourceType = string | null;
-
-export type MessageActionDTOResourceId = string | null;
-
-export type MessageActionDTOState = string | null;
-
-export type MessageActionDTOInputAnyOf = { [key: string]: unknown };
-
-export type MessageActionDTOInput = MessageActionDTOInputAnyOf | null;
-
-export type MessageActionDTOTooltip = string | null;
-
-export type MessageActionDTOSignal = ApplyFilterSignalDTO | null;
-
-export type MessageActionDTOQueryAnyOf = { [key: string]: unknown };
-
-export type MessageActionDTOQuery = MessageActionDTOQueryAnyOf | null;
-
-export type MessageActionDTOUrl = string | null;
-
-export enum MessageActionKindDTO {
-	undo = 'undo',
-	revert = 'revert',
-	restore = 'restore',
-	follow_up = 'follow_up',
-	open_resource = 'open_resource',
-	open_docs = 'open_docs',
-	apply_filter = 'apply_filter',
-}
-/**
- * Assistant action. Kind-specific requirements: rollback actions require actionMetadataId/resourceType/resourceId; follow_up requires input.intent; open_resource requires resourceType/resourceId; apply_filter requires signal and query; open_docs requires a SigNoz docs url.
- */
-export interface MessageActionDTO {
-	kind: MessageActionKindDTO;
-	/**
-	 * @type string
-	 */
-	label: string;
-	actionMetadataId?: MessageActionDTOActionMetadataId;
-	resourceType?: MessageActionDTOResourceType;
-	resourceId?: MessageActionDTOResourceId;
-	state?: MessageActionDTOState;
-	input?: MessageActionDTOInput;
-	tooltip?: MessageActionDTOTooltip;
-	signal?: MessageActionDTOSignal;
-	query?: MessageActionDTOQuery;
-	url?: MessageActionDTOUrl;
-}
-
-export enum MessageContentTypeDTO {
-	markdown = 'markdown',
-}
 export enum MessageRoleDTO {
 	user = 'user',
 	assistant = 'assistant',
@@ -656,10 +616,6 @@ export interface RevertRequestDTO {
 	actionMetadataId: string;
 }
 
-export enum ScopeDTO {
-	user = 'user',
-	org = 'org',
-}
 export type ThreadDetailResponseDTOTitle = string | null;
 
 export type ThreadDetailResponseDTOState = ExecutionStateDTO | null;
@@ -707,6 +663,18 @@ export interface ThreadDetailResponseDTO {
 
 export type ThreadListResponseDTONextCursor = string | null;
 
+export interface ThreadListResponseDTO {
+	/**
+	 * @type array
+	 */
+	threads: ThreadSummaryDTO[];
+	nextCursor?: ThreadListResponseDTONextCursor;
+	/**
+	 * @type boolean
+	 */
+	hasMore?: boolean;
+}
+
 export type ThreadSummaryDTOTitle = string | null;
 
 export type ThreadSummaryDTOState = ExecutionStateDTO | null;
@@ -741,18 +709,6 @@ export interface ThreadSummaryDTO {
 	updatedAt: string;
 }
 
-export interface ThreadListResponseDTO {
-	/**
-	 * @type array
-	 */
-	threads: ThreadSummaryDTO[];
-	nextCursor?: ThreadListResponseDTONextCursor;
-	/**
-	 * @type boolean
-	 */
-	hasMore?: boolean;
-}
-
 export interface UndoRequestDTO {
 	/**
 	 * @type string
@@ -770,29 +726,28 @@ export interface UpdateThreadRequestDTO {
 	archived?: UpdateThreadRequestDTOArchived;
 }
 
-export type UsageResponseDTONextPage = string | null;
+export type ValidationErrorDTOLocItem = string | number;
 
-/**
- * One row in the ``GET /usage`` response.
- */
-export interface UsageRowDTO {
-	type: CounterTypeNameDTO;
-	scope: ScopeDTO;
-	used: number;
-	limit: number;
-	/**
-	 * @type string
-	 * @format date-time
-	 */
-	resetsAt: string;
-}
+export type ValidationErrorDTOCtx = { [key: string]: unknown };
 
-export interface UsageResponseDTO {
+export interface ValidationErrorDTO {
 	/**
 	 * @type array
 	 */
-	data: UsageRowDTO[];
-	nextPage?: UsageResponseDTONextPage;
+	loc: ValidationErrorDTOLocItem[];
+	/**
+	 * @type string
+	 */
+	msg: string;
+	/**
+	 * @type string
+	 */
+	type: string;
+	input?: unknown;
+	/**
+	 * @type object
+	 */
+	ctx?: ValidationErrorDTOCtx;
 }
 
 export type ApprovalEventDTODiff = { [key: string]: unknown };
@@ -954,20 +909,6 @@ export interface ErrorEventDTO {
 	retryAction?: RetryActionDTO;
 }
 
-/**
-   * Per-connection SSE keep-alive emitted every `sse_heartbeat_interval_seconds`.
-  
-  Carries no `executionId` and no `eventId` — heartbeats are wire-level
-  keep-alives, not part of the replayable event log.
-   */
-export const HeartbeatEventDTOValue = {
-	/**
-	 * @type string
-	 */
-	type: 'heartbeat',
-} as const;
-export type HeartbeatEventDTO = typeof HeartbeatEventDTOValue;
-
 export type MessageActionEventDTOActionMetadataId = string | null;
 
 export type MessageActionEventDTOResourceType = string | null;
@@ -1374,14 +1315,3 @@ export type SubmitFeedbackApiV1AssistantMessagesMessageIdFeedbackPostHeaders = {
 	 */
 	'X-SigNoz-URL'?: string | null;
 };
-
-export type GetUsageApiV1AssistantUsageGetHeaders = {
-	/**
-	 * @description SigNoz auth token (Bearer or raw JWT)
-	 */
-	authorization?: string | null;
-	/**
-	 * @description SigNoz instance base URL for multi-tenant deployments. Falls back to SIGNOZ_API_URL env var when omitted.
-	 */
-	'X-SigNoz-URL'?: string | null;
-};

frontend/src/assets/Icons/solid-x-circle.svg

@@ -0,0 +1 @@
+<svg width="14" height="14" fill="none" xmlns="http://www.w3.org/2000/svg"><g clip-path="url(#prefix__clip0_4062_7291)" stroke-width="1.167" stroke-linecap="round" stroke-linejoin="round"><path d="M7 12.833A5.833 5.833 0 107 1.167a5.833 5.833 0 000 11.666z" fill="#E5484D" stroke="#E5484D"/><path d="M8.75 5.25l-3.5 3.5M5.25 5.25l3.5 3.5" stroke="#121317"/></g><defs><clipPath id="prefix__clip0_4062_7291"><path fill="#fff" d="M0 0h14v14H0z"/></clipPath></defs></svg>

frontend/src/components/QueryBuilderV2/QueryV2/QuerySearch/QuerySearch.styles.scss

@@ -117,7 +117,37 @@
 				width: 100% !important;
 				max-width: 100% !important;
 				font-family: 'Space Mono', monospace !important;
-				min-height: 200px !important;
+				// Default cap = ~5 suggestion rows + section header + footer.
+				// Anything beyond scrolls inside this container.
+				max-height: 250px !important;
+				overflow-y: auto !important;
+
+				// Grow the cap proportionally to the number of recent search
+				// rows present so all recents render in full while ~5
+				// suggestions remain visible below them. Each pill card is
+				// ~52px (36px row + 8px margin top/bottom + 8px padding) plus
+				// a one-time ~30px for the "Recent searches" section header.
+				//
+				// CodeMirror renders recents first (rank: 1), then
+				// `<completion-section>` between groups, then suggestions —
+				// so the first N `<li>` direct children are the recents.
+				// `:nth-of-type` counts only `<li>` (sections use a different
+				// tag), making the count-via-position trick reliable.
+				&:has(> li:nth-of-type(1) .cm-completionIcon-recent) {
+					max-height: 332px !important;
+				}
+				&:has(> li:nth-of-type(2) .cm-completionIcon-recent) {
+					max-height: 384px !important;
+				}
+				&:has(> li:nth-of-type(3) .cm-completionIcon-recent) {
+					max-height: 436px !important;
+				}
+				&:has(> li:nth-of-type(4) .cm-completionIcon-recent) {
+					max-height: 488px !important;
+				}
+				&:has(> li:nth-of-type(5) .cm-completionIcon-recent) {
+					max-height: 540px !important;
+				}
 
 				&::-webkit-scrollbar {
 					width: 0.3rem;
@@ -133,6 +163,31 @@
 					background: transparent;
 				}
 
+				// CodeMirror renders <completion-section> headers between
+				// option groups when the `section` field is set on each
+				// Completion. Style them as small caps labels with a top
+				// divider so the Suggestions and Recent searches groups are
+				// clearly distinct.
+				completion-section {
+					display: block;
+					padding: 10px 12px 6px;
+					font-size: 10px !important;
+					font-weight: 700;
+					letter-spacing: 0.08em;
+					text-transform: uppercase;
+					color: var(--l3-foreground, var(--l2-foreground));
+					opacity: 0.7;
+					border-top: 1px solid var(--l1-border);
+					background-color: transparent;
+				}
+
+				// The first section header doesn't need a divider above it.
+				completion-section:first-child,
+				> li:first-child + completion-section,
+				completion-section:first-of-type {
+					border-top: 0;
+				}
+
 				li {
 					width: 100% !important;
 					max-width: 100% !important;
@@ -159,11 +214,136 @@
 						display: none !important;
 					}
 
+					// Tag the "recent" detail column so it reads as a label,
+					// not as an inline value. CodeMirror puts the option's
+					// `detail` string in `.cm-completionDetail`.
+					.cm-completionDetail {
+						margin-left: auto;
+						font-style: normal;
+						font-size: 10px;
+						font-weight: 600;
+						letter-spacing: 0.06em;
+						text-transform: uppercase;
+						opacity: 0.55;
+					}
+
 					&[aria-selected='true'] {
 						background: var(--l3-background) !important;
 						font-weight: 600 !important;
 					}
 				}
+
+				// Recent search rows render as pill-style cards: rounded
+				// background per row, padded inset, design-token text color.
+				// Targeted via the icon class CodeMirror emits — even though
+				// the icon itself is hidden, its element still carries the
+				// type class.
+				li:has(.cm-completionIcon-recent) {
+					height: auto !important;
+					margin: 4px 8px !important;
+					padding: 6px 12px !important;
+					width: calc(100% - 16px) !important;
+					max-width: calc(100% - 16px) !important;
+					background: #23262e !important;
+					color: var(--text-vanilla-400) !important;
+					border: 1px solid var(--l1-border) !important;
+					border-radius: 6px !important;
+					line-height: 24px !important;
+
+					// Long filter expressions truncate to a single line with
+					// an ellipsis instead of wrapping or pushing the inline
+					// delete button off-screen. `min-width: 0` on the label
+					// is required for ellipsis to work inside a flex parent.
+					.cm-completionLabel {
+						flex: 1;
+						min-width: 0;
+						white-space: nowrap;
+						overflow: hidden;
+						text-overflow: ellipsis;
+					}
+
+					&:hover,
+					&[aria-selected='true'] {
+						background: color-mix(
+							in srgb,
+							#23262e 80%,
+							var(--text-vanilla-400)
+						) !important;
+						color: var(--text-vanilla-400) !important;
+					}
+
+					// Reveal the inline delete button more strongly on hover
+					// or when the row is keyboard-selected.
+					&:hover .cm-recent-delete,
+					&[aria-selected='true'] .cm-recent-delete {
+						opacity: 1;
+					}
+				}
+
+				// Apply the same truncation to regular suggestion rows so
+				// long attribute names (e.g. `service.cluster.namespace.x`)
+				// don't push other cells off the row.
+				li:not(:has(.cm-completionIcon-recent)) .cm-completionLabel {
+					flex: 1;
+					min-width: 0;
+					white-space: nowrap;
+					overflow: hidden;
+					text-overflow: ellipsis;
+				}
+
+				// Inline per-row delete affordance for recent searches,
+				// injected via the autocompletion `addToOptions` config.
+				.cm-recent-delete {
+					margin-left: auto;
+					display: inline-flex;
+					align-items: center;
+					justify-content: center;
+					width: 20px;
+					height: 20px;
+					padding: 0;
+					border: 0;
+					border-radius: 4px;
+					background: transparent;
+					color: var(--text-vanilla-400);
+					font-size: 18px;
+					line-height: 1;
+					cursor: pointer;
+					opacity: 0.5;
+					transition: opacity 0.12s ease, background-color 0.12s ease;
+
+					&:hover {
+						opacity: 1;
+						background: color-mix(
+							in srgb,
+							var(--text-vanilla-400) 18%,
+							transparent
+						);
+					}
+				}
+			}
+
+			// Footer hint bar: keyboard shortcuts at the bottom of the
+			// dropdown. Rendered via ::after so we don't need to inject DOM
+			// — the popover's outer container gets a pseudo-element below
+			// the scrollable list.
+			&::after {
+				content: '↓↑ to navigate · ↵ to apply · esc to dismiss';
+				display: block;
+				padding: 8px 12px;
+				border-top: 1px solid var(--l1-border);
+				font-family: 'Space Mono', monospace;
+				font-size: 11px;
+				font-weight: 500;
+				letter-spacing: 0.02em;
+				color: var(--l2-foreground);
+				opacity: 0.6;
+				background: color-mix(
+					in srgb,
+					var(--l1-background) 50%,
+					transparent
+				);
+				border-bottom-left-radius: 4px;
+				border-bottom-right-radius: 4px;
 			}
 		}
 

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

@@ -29,6 +29,8 @@ import {
 import { useDashboardVariablesByType } from 'hooks/dashboard/useDashboardVariablesByType';
 import { useIsDarkMode } from 'hooks/useDarkMode';
 import useDebounce from 'hooks/useDebounce';
+import * as recentQueriesStore from 'lib/recentQueries/store';
+import { normalizeFilterExpression } from 'lib/recentQueries/normalize';
 import { debounce, isNull } from 'lodash-es';
 import {
 	IDetailedError,
@@ -89,6 +91,24 @@ interface QuerySearchProps {
 	initialExpression?: string;
 }
 
+// Maps the legacy `DataSource` enum to the V5 `SignalType` union. The string
+// values match (`'logs'` / `'traces'` / `'metrics'`); narrow with a runtime
+// check rather than blindly casting. Return type is inlined to keep this
+// module's import surface minimal (avoids a transitive dep cycle through
+// the v5 queryRange types).
+function dataSourceToSignal(
+	dataSource: DataSource,
+): 'logs' | 'traces' | 'metrics' | null {
+	if (
+		dataSource === DataSource.LOGS ||
+		dataSource === DataSource.TRACES ||
+		dataSource === DataSource.METRICS
+	) {
+		return dataSource;
+	}
+	return null;
+}
+
 function QuerySearch({
 	placeholder,
 	onChange,
@@ -1249,6 +1269,144 @@ function QuerySearch({
 		};
 	}
 
+	// Whole-expression recent-search completions. Folded into the same
+	// `CompletionResult` as `autoSuggestions` (see `combinedSuggestions` below)
+	// rather than registered as a separate completion source — CodeMirror picks
+	// the source with the rightmost `from`, so a parallel source with
+	// `from: 0` would be silently dropped in favour of the positional one.
+	const recentsSignal = useMemo(() => dataSourceToSignal(dataSource), [dataSource]);
+
+	// Stable section objects so CodeMirror can group options under labelled
+	// headers in the dropdown. `rank` orders the sections — Recent searches
+	// render first (top) so users can scan their own history before falling
+	// through to the larger Suggestions list.
+	const recentsSection = useMemo(
+		() => ({ name: 'Recent searches', rank: 1 }),
+		[],
+	);
+	const suggestionsSection = useMemo(() => ({ name: 'Suggestions', rank: 2 }), []);
+
+	function getRecentOptions(
+		fullDoc: string,
+	): {
+		label: string;
+		type: string;
+		boost: number;
+		section: typeof recentsSection;
+		recentId: string;
+		recentSignal: 'logs' | 'traces' | 'metrics';
+		apply: (
+			view: EditorView,
+			completion: unknown,
+			from: number,
+			to: number,
+		) => void;
+	}[] {
+		// Display gates only on signal. Recents are shown across all panel
+		// types for the same signal so a user can replay a query they built
+		// anywhere.
+		if (!recentsSignal) {
+			return [];
+		}
+
+		const all = recentQueriesStore.list(recentsSignal);
+		// Normalize both sides before substring matching so formatting
+		// variations (leading/trailing whitespace, spaces around operators,
+		// keyword casing) don't accidentally exclude a recent. `attempt != 1`
+		// stored, ` attempt != 1 ` typed → both normalize to `attempt!=1` and
+		// substring-match.
+		const normalizedDoc = normalizeFilterExpression(fullDoc);
+		const seen = new Set<string>();
+		const matches = all
+			.filter((e) => {
+				if (normalizedDoc === '') {
+					return true;
+				}
+				return normalizeFilterExpression(e.filter.expression).includes(
+					normalizedDoc,
+				);
+			})
+			// Dedupe by raw expression in case old (pre-strip) entries with
+			// different ID formats still live in localStorage alongside the
+			// new ones — most-recently-used wins.
+			.filter((e) => {
+				const key = e.filter.expression.toLowerCase().trim();
+				if (seen.has(key)) {
+					return false;
+				}
+				seen.add(key);
+				return true;
+			})
+			.slice(0, 5);
+
+		return matches.map((entry) => ({
+			label: entry.filter.expression,
+			type: 'recent',
+			boost: -50,
+			section: recentsSection,
+			// Custom fields read by the addToOptions delete-button renderer
+			// so it can call store.remove on click.
+			recentId: entry.id,
+			recentSignal: entry.signal,
+			apply: (view: EditorView): void => {
+				// Replace the whole document with the recent's filter
+				// expression. The editor's onChange fires synchronously and
+				// pushes the new expression up to the parent via
+				// `handleSearchChange`, so non-filter fields on the current
+				// builder query stay as-is.
+				view.dispatch({
+					changes: {
+						from: 0,
+						to: view.state.doc.length,
+						insert: entry.filter.expression,
+					},
+					selection: { anchor: entry.filter.expression.length },
+				});
+			},
+		}));
+	}
+
+	function combinedSuggestions(
+		context: CompletionContext,
+	): CompletionResult | null {
+		const fullDoc = context.state.doc.toString();
+		const recentOptions = getRecentOptions(fullDoc);
+		const result = autoSuggestions(context);
+
+		// Tag positional suggestions with the "Suggestions" section so
+		// CodeMirror renders a section header above them. No cap — the full
+		// list scrolls inside the dropdown's max-height container so users
+		// can always reach any key/value, with or without recents present.
+		const sectionedSuggestions = (result?.options || []).map((opt) => ({
+			...opt,
+			section: suggestionsSection,
+		}));
+
+		if (recentOptions.length === 0 && sectionedSuggestions.length === 0) {
+			return result;
+		}
+
+		// `filter: false` tells CodeMirror to skip its built-in prefix scorer.
+		// Both option groups are pre-filtered in their respective sources
+		// (autoSuggestions filters positional options by the current token;
+		// getRecentOptions filters recents by full-doc prefix), so disabling
+		// CM's scorer keeps both visible when our filters allowed them through.
+		if (!result) {
+			return {
+				from: 0,
+				to: fullDoc.length,
+				options: recentOptions,
+				filter: false,
+			};
+		}
+
+		return {
+			...result,
+			options: [...recentOptions, ...sectionedSuggestions],
+			filter: false,
+		};
+	}
+
 	// Effect to handle focus state and trigger suggestions
 	useEffect(() => {
 		const clearTimeout = toggleSuggestions(10);
@@ -1394,11 +1552,94 @@ function QuerySearch({
 					})}
 					extensions={[
 						autocompletion({
-							override: [autoSuggestions],
+							override: [combinedSuggestions],
 							defaultKeymap: true,
 							closeOnBlur: true,
 							activateOnTyping: true,
 							maxRenderedOptions: 50,
+							// Inject a delete (×) button into recent-search
+							// rows so users can remove individual entries
+							// without opening any other UI. Non-recent rows
+							// render an empty placeholder.
+							addToOptions: [
+								{
+									// Attach a native `title` tooltip to the row for
+									// long recent-search expressions. The pill cell
+									// truncates with ellipsis (see CSS); the tooltip
+									// reveals the full text on hover. We can't set
+									// attributes on the `<li>` directly from this
+									// render — CodeMirror appends our returned Node
+									// as a cell — so we defer the title-set to a
+									// microtask once the parent linkage is in place.
+									render: (completion): Node => {
+										const cell = document.createElement('span');
+										cell.style.display = 'none';
+										if (completion.type === 'recent') {
+											queueMicrotask(() => {
+												if (cell.parentElement) {
+													cell.parentElement.title = completion.label;
+												}
+											});
+										}
+										return cell;
+									},
+									position: 5,
+								},
+								{
+									render: (completion, _state, view): Node => {
+										if (completion.type !== 'recent') {
+											const empty = document.createElement('span');
+											empty.style.display = 'none';
+											return empty;
+										}
+										const c = completion as typeof completion & {
+											recentId?: string;
+											recentSignal?: 'logs' | 'traces' | 'metrics';
+										};
+										const btn = document.createElement('button');
+										btn.type = 'button';
+										btn.className = 'cm-recent-delete';
+										btn.setAttribute(
+											'aria-label',
+											'Remove from recent searches',
+										);
+										btn.title = 'Remove from recent searches';
+										btn.textContent = '×';
+										// Stop pointerdown / mousedown / click so the
+										// delete doesn't also fire the apply-completion
+										// path. CodeMirror uses pointerdown to commit
+										// the selected option, so we must intercept it.
+										const stop = (e: Event): void => {
+											e.preventDefault();
+											e.stopPropagation();
+										};
+										btn.addEventListener('pointerdown', stop);
+										btn.addEventListener('mousedown', stop);
+										btn.addEventListener('click', (e) => {
+											stop(e);
+											if (!c.recentId || !c.recentSignal) {
+												return;
+											}
+											recentQueriesStore.remove(
+												c.recentId,
+												c.recentSignal,
+											);
+											// The store mutation alone doesn't tell
+											// CodeMirror to re-render the open
+											// dropdown. Re-trigger the completion
+											// source so the deleted row disappears
+											// immediately, and re-focus the editor
+											// so the dropdown stays interactive.
+											if (view) {
+												view.focus();
+												startCompletion(view);
+											}
+										});
+										return btn;
+									},
+									position: 100,
+								},
+							],
 						}),
 						javascript({ jsx: false, typescript: false }),
 						EditorView.lineWrapping,

frontend/src/constants/routes.ts

@@ -88,7 +88,6 @@ const ROUTES = {
 	PUBLIC_DASHBOARD: '/public/dashboard/:dashboardId',
 	SERVICE_ACCOUNTS_SETTINGS: '/settings/service-accounts',
 	AI_ASSISTANT: '/ai-assistant/:conversationId',
-	AI_ASSISTANT_BASE: '/ai-assistant',
 	AI_ASSISTANT_ICON_PREVIEW: '/ai-assistant-icon-preview',
 	MCP_SERVER: '/settings/mcp-server',
 } as const;

frontend/src/container/AIAssistant/components/MessageBubble/MessageBubble.tsx

@@ -178,7 +178,7 @@ export default function MessageBubble({
 					</div>
 				</div>
 
-				{!isUser && !message.isRateLimitError && (
+				{!isUser && (
 					<MessageFeedback
 						message={message}
 						onRegenerate={onRegenerate}

frontend/src/container/AIAssistant/store/useAIAssistantStore.ts

@@ -1,12 +1,10 @@
 /* eslint-disable sonarjs/cognitive-complexity */
-import axios from 'axios';
 import { v4 as uuidv4 } from 'uuid';
 import { create } from 'zustand';
 import { persist } from 'zustand/middleware';
 import { immer } from 'zustand/middleware/immer';
 
 import type {
-	ErrorResponseDTO,
 	MessageActionDTO,
 	MessageSummaryDTOBlocksAnyOfItem,
 } from 'api/ai-assistant/sigNozAIAssistantAPI.schemas';
@@ -23,6 +21,7 @@ import {
 	regenerateMessage,
 	rejectExecution,
 	sendMessage as sendMessageToThread,
+	SSEStreamError,
 	streamEvents,
 	submitFeedback,
 	ThreadSummary,
@@ -194,75 +193,13 @@ function resetStreamingState(
 	};
 }
 
-/**
- * Marker thrown by `runStreamingLoop` when an SSE event reports
- * `invalid_token`. Callers that own an originating action (sendMessage /
- * approve / clarify / regenerate) catch this and re-issue that action via
- * `streamWithAuthRetry`; the retry's first REST call will 401, at which point
- * the shared axios `interceptorRejected` rotates the access token and replays.
- */
-class AuthExpiredError extends Error {
-	constructor() {
-		super('Access token expired during execution');
-		this.name = 'AuthExpiredError';
-	}
-}
-
-/**
- * Runs the originating action (e.g. sendMessage POST) and streams the
- * resulting execution. On `AuthExpiredError`, re-issues `start` once — the
- * retry's REST call hits 401, the shared axios interceptor rotates the
- * access token and replays, and the new SSE picks up the rotated token from
- * localStorage. Backend signals `retryAction: 'manual'` for `invalid_token`,
- * so the dead execution can't be resumed — only a fresh one helps.
- */
-async function streamWithAuthRetry(
-	conversationId: string,
-	start: () => Promise<string>,
-	set: StoreSetter,
-): Promise<void> {
-	for (let attempt = 0; attempt <= 1; attempt += 1) {
-		if (attempt > 0) {
-			// Drop any partial content/events from the previous attempt so the
-			// retried execution's stream isn't concatenated with the dead one.
-			set((s) => {
-				resetStreamingState(s, conversationId);
-			});
-		}
-		// eslint-disable-next-line no-await-in-loop
-		const executionId = await start();
-		const ctrl = newStreamController(conversationId);
-		try {
-			// eslint-disable-next-line no-await-in-loop
-			await runStreamingLoop(executionId, {
-				conversationId,
-				set,
-				signal: ctrl.signal,
-			});
-			streamControllers.delete(conversationId);
-			return;
-		} catch (err) {
-			streamControllers.delete(conversationId);
-			if (err instanceof AuthExpiredError && attempt < 1) {
-				continue;
-			}
-			throw err;
-		}
-	}
-}
-
 /**
  * Runs one SSE execution stream, updating the per-conversation stream state.
  *
  * Breaks early and sets pendingApproval / pendingClarification when the
  * agent needs user input before it can continue.
  *
- * On an `invalid_token` error event (e.g. MCP auth expired mid-execution),
- * throws `AuthExpiredError` so the caller can re-issue the originating
- * action via `streamWithAuthRetry`. We don't refresh here ourselves — the
- * retry's REST call will 401 and the shared axios `interceptorRejected`
- * handles rotation + replay. Throws on any other `error` event — the
- * caller's catch block handles UI feedback.
+ * Throws on `error` events — the caller's catch block handles UI feedback.
  */
 // eslint-disable-next-line sonarjs/cognitive-complexity
 async function runStreamingLoop(
@@ -388,15 +325,6 @@ async function runStreamingLoop(
 			});
 			break;
 		} else if (event.type === 'error') {
-			// MCP/SigNoz auth expired mid-execution — signal the caller to
-			// re-issue the originating action. The retry's REST call will hit
-			// 401 and the shared axios `interceptorRejected` will rotate the
-			// access token + replay, so we don't refresh here ourselves.
-			// (Backend sets `retryAction: 'manual'`, so the failed execution
-			// can't itself be resumed — only a fresh one helps.)
-			if (event.error.code === 'invalid_token') {
-				throw new AuthExpiredError();
-			}
 			throw Object.assign(new Error(event.error.message), {
 				retryAction: event.retryAction,
 			});
@@ -484,41 +412,13 @@ function hasPendingInput(conversationId: string, get: StoreGetter): boolean {
 	return Boolean(stream?.pendingApproval || stream?.pendingClarification);
 }
 
-function parseErrorBody(value: unknown): string | null {
-	if (typeof value === 'string') {
-		try {
-			return parseErrorBody(JSON.parse(value));
-		} catch {
-			return null;
-		}
-	}
-	const message = (value as ErrorResponseDTO | undefined)?.error?.message;
-	return typeof message === 'string' && message.length > 0 ? message : null;
-}
-
 /**
- * Returns the backend's `error.message` when `err` is a 429 axios response
- * (typically from the threads API surface — createThread, sendMessage, approve,
- * clarify, regenerate). Returns null for any other error so callers fall
- * through to their generic copy.
- */
-function rateLimitMessage(err: unknown): string | null {
-	if (axios.isAxiosError(err) && err.response?.status === 429) {
-		return parseErrorBody(err.response.data);
-	}
-	return null;
-}
-
-/**
- * Commits an error message and removes the stream entry. When `isRateLimit`
- * is true, the committed message is flagged so the feedback/regenerate bar
- * is hidden — clicking regenerate would just 429 again.
+ * Commits an error message and removes the stream entry.
  */
 function finalizeStreamingError(
 	conversationId: string,
 	errorContent: string,
 	set: StoreSetter,
-	isRateLimit = false,
 ): void {
 	set((s) => {
 		const conv = s.conversations[conversationId];
@@ -528,7 +428,6 @@ function finalizeStreamingError(
 				role: 'assistant',
 				content: errorContent,
 				createdAt: Date.now(),
-				...(isRateLimit ? { isRateLimitError: true } : {}),
 			});
 			conv.updatedAt = Date.now();
 		}
@@ -902,12 +801,7 @@ export const useAIAssistantStore = create<AIAssistantStore>()(
 					});
 
 					// Reconnect to SSE if backend execution is still running
-					// and we don't already have an active SSE reader for this
-					// thread. No auth-retry wrapper here: on `invalid_token`
-					// there's no "originating action" to redo — reopening the
-					// same dead executionId would just re-emit the failure.
-					// Let the error bubble; the user can send a new message,
-					// which will go through `streamWithAuthRetry`.
+					// and we don't already have an active SSE reader for this thread
 					if (
 						detail.activeExecutionId &&
 						!streamControllers.has(threadId) &&
@@ -1158,12 +1052,14 @@ export const useAIAssistantStore = create<AIAssistantStore>()(
 							}
 						});
 					}
-					const tid = threadId;
-					await streamWithAuthRetry(
-						convId,
-						() => sendMessageToThread(tid, text, contexts),
+					const executionId = await sendMessageToThread(threadId, text, contexts);
+					const ctrl = newStreamController(convId);
+					await runStreamingLoop(executionId, {
+						conversationId: convId,
 						set,
-					);
+						signal: ctrl.signal,
+					});
+					streamControllers.delete(convId);
 
 					if (!hasPendingInput(convId, get)) {
 						finalizeStreamingMessage(convId, set, get);
@@ -1174,14 +1070,11 @@ export const useAIAssistantStore = create<AIAssistantStore>()(
 						return;
 					}
 					console.error('[AIAssistant] sendMessage failed:', err);
-					const rateLimit = rateLimitMessage(err);
-					finalizeStreamingError(
-						convId,
-						rateLimit ??
-							'Something went wrong while fetching the response. Please try again.',
-						set,
-						rateLimit !== null,
-					);
+					const message =
+						err instanceof SSEStreamError && err.status === 429
+							? 'You sent that a bit too quickly. Please wait a moment and try again.'
+							: 'Something went wrong while fetching the response. Please try again.';
+					finalizeStreamingError(convId, message, set);
 				}
 			},
 
@@ -1201,11 +1094,14 @@ export const useAIAssistantStore = create<AIAssistantStore>()(
 				});
 
 				try {
-					await streamWithAuthRetry(
+					const executionId = await approveExecution(approvalId);
+					const ctrl = newStreamController(conversationId);
+					await runStreamingLoop(executionId, {
 						conversationId,
-						() => approveExecution(approvalId),
 						set,
-					);
+						signal: ctrl.signal,
+					});
+					streamControllers.delete(conversationId);
 					if (!hasPendingInput(conversationId, get)) {
 						finalizeStreamingMessage(conversationId, set, get);
 					}
@@ -1214,13 +1110,10 @@ export const useAIAssistantStore = create<AIAssistantStore>()(
 						return;
 					}
 					console.error('[AIAssistant] approveAction failed:', err);
-					const rateLimit = rateLimitMessage(err);
 					finalizeStreamingError(
 						conversationId,
-						rateLimit ??
-							'Something went wrong while processing the approval. Please try again.',
+						'Something went wrong while processing the approval. Please try again.',
 						set,
-						rateLimit !== null,
 					);
 				}
 			},
@@ -1283,11 +1176,14 @@ export const useAIAssistantStore = create<AIAssistantStore>()(
 				});
 
 				try {
-					await streamWithAuthRetry(
+					const executionId = await regenerateMessage(messageId);
+					const ctrl = newStreamController(conversationId);
+					await runStreamingLoop(executionId, {
 						conversationId,
-						() => regenerateMessage(messageId),
 						set,
-					);
+						signal: ctrl.signal,
+					});
+					streamControllers.delete(conversationId);
 					if (!hasPendingInput(conversationId, get)) {
 						finalizeStreamingMessage(conversationId, set, get);
 					}
@@ -1296,13 +1192,10 @@ export const useAIAssistantStore = create<AIAssistantStore>()(
 						return;
 					}
 					console.error('[AIAssistant] regenerateAssistantMessage failed:', err);
-					const rateLimit = rateLimitMessage(err);
 					finalizeStreamingError(
 						conversationId,
-						rateLimit ??
-							'Something went wrong while regenerating the response. Please try again.',
+						'Something went wrong while regenerating the response. Please try again.',
 						set,
-						rateLimit !== null,
 					);
 				}
 			},
@@ -1352,11 +1245,14 @@ export const useAIAssistantStore = create<AIAssistantStore>()(
 				});
 
 				try {
-					await streamWithAuthRetry(
+					const executionId = await clarifyExecution(clarificationId, answers);
+					const ctrl = newStreamController(conversationId);
+					await runStreamingLoop(executionId, {
 						conversationId,
-						() => clarifyExecution(clarificationId, answers),
 						set,
-					);
+						signal: ctrl.signal,
+					});
+					streamControllers.delete(conversationId);
 					if (!hasPendingInput(conversationId, get)) {
 						finalizeStreamingMessage(conversationId, set, get);
 					}
@@ -1365,13 +1261,10 @@ export const useAIAssistantStore = create<AIAssistantStore>()(
 						return;
 					}
 					console.error('[AIAssistant] submitClarification failed:', err);
-					const rateLimit = rateLimitMessage(err);
 					finalizeStreamingError(
 						conversationId,
-						rateLimit ??
-							'Something went wrong while processing your answers. Please try again.',
+						'Something went wrong while processing your answers. Please try again.',
 						set,
-						rateLimit !== null,
 					);
 				}
 			},

frontend/src/container/AIAssistant/types.ts

@@ -86,11 +86,6 @@ export interface Message {
 	actions?: MessageActionDTO[];
 	/** Persisted feedback rating — set after user votes and the API confirms. */
 	feedbackRating?: FeedbackRating | null;
-	/**
-	 * Set on client-side rate-limit error messages so the feedback/regenerate
-	 * bar (copy/vote/regenerate) is hidden — retrying would just 429 again.
-	 */
-	isRateLimitError?: boolean;
 	createdAt: number;
 }
 

frontend/src/container/FormAlertRules/ChartPreview/index.tsx

@@ -24,6 +24,7 @@ import {
 } from 'container/TopNav/DateTimeSelectionV2/types';
 import { useGetQueryRange } from 'hooks/queryBuilder/useGetQueryRange';
 import { useQueryBuilder } from 'hooks/queryBuilder/useQueryBuilder';
+import { useSaveRecentQuery } from 'hooks/recentQueries/useSaveRecentQuery';
 import { useIsDarkMode } from 'hooks/useDarkMode';
 import { useResizeObserver } from 'hooks/useDimensions';
 import useUrlQuery from 'hooks/useUrlQuery';
@@ -195,6 +196,8 @@ function ChartPreview({
 		},
 	);
 
+	useSaveRecentQuery(query);
+
 	useEffect(() => {
 		onFetchingStateChange?.(queryResponse.isFetching);
 	}, [queryResponse.isFetching, onFetchingStateChange]);

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

@@ -11,6 +11,7 @@ import { populateMultipleResults } from 'container/NewWidget/LeftContainer/Widge
 import { CustomTimeType } from 'container/TopNav/DateTimeSelectionV2/types';
 import { useIsPanelWaitingOnVariable } from 'hooks/dashboard/useVariableFetchState';
 import { useGetQueryRange } from 'hooks/queryBuilder/useGetQueryRange';
+import { useSaveRecentQuery } from 'hooks/recentQueries/useSaveRecentQuery';
 import { useIntersectionObserver } from 'hooks/useIntersectionObserver';
 import { GetQueryResultsProps } from 'lib/dashboard/getQueryResults';
 import { getDashboardVariables } from 'lib/dashboardVariables/getDashboardVariables';
@@ -283,6 +284,8 @@ function GridCardGraph({
 		},
 	);
 
+	useSaveRecentQuery(widget?.query);
+
 	const isEmptyLayout = widget?.id === PANEL_TYPES.EMPTY_WIDGET;
 
 	if (queryResponse.data && widget.panelTypes === PANEL_TYPES.BAR) {

frontend/src/container/LogsExplorerViews/LogsActionsContainer.tsx

@@ -9,6 +9,8 @@ import { useOptionsMenu } from 'container/OptionsMenu';
 import { ArrowUp10, Minus } from '@signozhq/icons';
 import { DataSource, StringOperators } from 'types/common/queryBuilder';
 
+import QueryStatus from './QueryStatus';
+
 function LogsActionsContainer({
 	listQuery,
 	selectedPanelType,
@@ -16,6 +18,10 @@ function LogsActionsContainer({
 	handleToggleFrequencyChart,
 	orderBy,
 	setOrderBy,
+	isFetching,
+	isLoading,
+	isError,
+	isSuccess,
 }: {
 	listQuery: any;
 	selectedPanelType: PANEL_TYPES;
@@ -23,6 +29,10 @@ function LogsActionsContainer({
 	handleToggleFrequencyChart: () => void;
 	orderBy: string;
 	setOrderBy: (value: string) => void;
+	isFetching: boolean;
+	isLoading: boolean;
+	isError: boolean;
+	isSuccess: boolean;
 }): JSX.Element {
 	const { options, config } = useOptionsMenu({
 		storageKey: LOCALSTORAGE.LOGS_LIST_OPTIONS,
@@ -96,6 +106,17 @@ function LogsActionsContainer({
 							</div>
 						</>
 					)}
+
+					{(selectedPanelType === PANEL_TYPES.TIME_SERIES ||
+						selectedPanelType === PANEL_TYPES.TABLE) && (
+						<div className="query-stats">
+							<QueryStatus
+								loading={isLoading || isFetching}
+								error={isError}
+								success={isSuccess}
+							/>
+						</div>
+					)}
 				</div>
 			</div>
 		</div>

frontend/src/container/LogsExplorerViews/LogsExplorerViews.styles.scss

@@ -155,6 +155,40 @@
 				}
 			}
 
+			.query-stats {
+				display: flex;
+				align-items: center;
+				gap: 12px;
+
+				align-self: flex-end;
+
+				.rows {
+					color: var(--l2-foreground);
+					font-family: 'Geist Mono';
+					font-size: 12px;
+					font-style: normal;
+					font-weight: 400;
+					line-height: 18px; /* 150% */
+					letter-spacing: 0.36px;
+				}
+
+				.divider {
+					width: 1px;
+					height: 14px;
+					background: var(--l3-background);
+				}
+
+				.time {
+					color: var(--l2-foreground);
+					font-family: 'Geist Mono';
+					font-size: 12px;
+					font-style: normal;
+					font-weight: 400;
+					line-height: 18px; /* 150% */
+					letter-spacing: 0.36px;
+				}
+			}
+
 			.ant-btn {
 				border: none;
 			}

frontend/src/container/LogsExplorerViews/QueryStatus.styles.scss

@@ -0,0 +1,4 @@
+.query-status {
+	display: flex;
+	align-items: center;
+}

frontend/src/container/LogsExplorerViews/QueryStatus.tsx

@@ -0,0 +1,49 @@
+import React, { useMemo } from 'react';
+import { Color } from '@signozhq/design-tokens';
+import { LoaderCircle, CircleCheck } from '@signozhq/icons';
+import { Spin } from 'antd';
+
+import solidXCircleUrl from '@/assets/Icons/solid-x-circle.svg';
+
+import './QueryStatus.styles.scss';
+
+interface IQueryStatusProps {
+	loading: boolean;
+	error: boolean;
+	success: boolean;
+}
+
+export default function QueryStatus(
+	props: IQueryStatusProps,
+): React.ReactElement {
+	const { loading, error, success } = props;
+
+	const content = useMemo((): React.ReactElement => {
+		if (loading) {
+			return (
+				<Spin
+					spinning
+					size="small"
+					indicator={<LoaderCircle className="animate-spin" size="md" />}
+				/>
+			);
+		}
+		if (error) {
+			return (
+				<img
+					src={solidXCircleUrl}
+					alt="header"
+					className="error"
+					style={{ height: '14px', width: '14px' }}
+				/>
+			);
+		}
+		if (success) {
+			return (
+				<CircleCheck className="success" size={14} fill={Color.BG_ROBIN_500} />
+			);
+		}
+		return <div />;
+	}, [error, loading, success]);
+	return <div className="query-status">{content}</div>;
+}

frontend/src/container/LogsExplorerViews/index.tsx

@@ -37,6 +37,7 @@ import TimeSeriesView from 'container/TimeSeriesView/TimeSeriesView';
 import { useCopyLogLink } from 'hooks/logs/useCopyLogLink';
 import { useGetExplorerQueryRange } from 'hooks/queryBuilder/useGetExplorerQueryRange';
 import { useQueryBuilder } from 'hooks/queryBuilder/useQueryBuilder';
+import { useSaveRecentQuery } from 'hooks/recentQueries/useSaveRecentQuery';
 import { useSafeNavigate } from 'hooks/useSafeNavigate';
 import useUrlQueryData from 'hooks/useUrlQueryData';
 import useUrlYAxisUnit from 'hooks/useUrlYAxisUnit';
@@ -160,7 +161,7 @@ function LogsExplorerViewsContainer({
 		'custom',
 	);
 
-	const { data, isLoading, isFetching, isError, error } =
+	const { data, isLoading, isFetching, isError, isSuccess, error } =
 		useGetExplorerQueryRange(
 			requestData,
 			selectedPanelType,
@@ -188,6 +189,8 @@ function LogsExplorerViewsContainer({
 			'custom',
 		);
 
+	useSaveRecentQuery(stagedQuery);
+
 	const getRequestData = useCallback(
 		(
 			query: Query | null,
@@ -437,6 +440,10 @@ function LogsExplorerViewsContainer({
 						handleToggleFrequencyChart={handleToggleFrequencyChart}
 						orderBy={orderBy}
 						setOrderBy={setOrderBy}
+						isFetching={isFetching}
+						isLoading={isLoading}
+						isError={isError}
+						isSuccess={isSuccess}
 					/>
 				)}
 

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

@@ -16,6 +16,7 @@ import { QueryBuilderProps } from 'container/QueryBuilder/QueryBuilder.interface
 import DateTimeSelector from 'container/TopNav/DateTimeSelectionV2';
 import { useQueryBuilder } from 'hooks/queryBuilder/useQueryBuilder';
 import { useShareBuilderUrl } from 'hooks/queryBuilder/useShareBuilderUrl';
+import { useSaveRecentQuery } from 'hooks/recentQueries/useSaveRecentQuery';
 import {
 	ICurrentQueryData,
 	useHandleExplorerTabChange,
@@ -62,6 +63,9 @@ function Explorer(): JSX.Element {
 		handleSetQueryData,
 		redirectWithQueryBuilderData,
 	} = useQueryBuilder();
+
+	useSaveRecentQuery(stagedQuery);
+
 	const { safeNavigate } = useSafeNavigate();
 	const { handleExplorerTabChange } = useHandleExplorerTabChange();
 	const isAIAssistantEnabled = useIsAIAssistantEnabled();

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

@@ -25,6 +25,7 @@ import { usePageSize } from 'container/InfraMonitoringK8s/utils';
 import NoLogs from 'container/NoLogs/NoLogs';
 import { useQueryBuilder } from 'hooks/queryBuilder/useQueryBuilder';
 import { useShareBuilderUrl } from 'hooks/queryBuilder/useShareBuilderUrl';
+import { useSaveRecentQuery } from 'hooks/recentQueries/useSaveRecentQuery';
 import ErrorBoundaryFallback from 'pages/ErrorBoundaryFallback/ErrorBoundaryFallback';
 import { AppState } from 'store/reducers';
 import { TagFilter } from 'types/api/queryBuilder/queryBuilderData';
@@ -69,6 +70,8 @@ function Summary(): JSX.Element {
 	const { currentQuery, stagedQuery, redirectWithQueryBuilderData } =
 		useQueryBuilder();
 
+	useSaveRecentQuery(stagedQuery);
+
 	useShareBuilderUrl({ defaultValue: initialQueriesMap[DataSource.METRICS] });
 
 	const query = useMemo(

frontend/src/container/NewWidget/LeftContainer/index.tsx

@@ -7,6 +7,7 @@ import { PANEL_TYPES } from 'constants/queryBuilder';
 import { REACT_QUERY_KEY } from 'constants/reactQueryKeys';
 import { useGetQueryRange } from 'hooks/queryBuilder/useGetQueryRange';
 import { useQueryBuilder } from 'hooks/queryBuilder/useQueryBuilder';
+import { useSaveRecentQuery } from 'hooks/recentQueries/useSaveRecentQuery';
 import { AppState } from 'store/reducers';
 import { GlobalReducer } from 'types/reducer/globalTime';
 
@@ -64,6 +65,8 @@ function LeftContainer({
 		keepPreviousData: true,
 	});
 
+	useSaveRecentQuery(stagedQuery);
+
 	useEffect(() => {
 		if (queryResponse.isFetching) {
 			setIsCancelled(false);

frontend/src/container/TracesExplorer/TableView/index.tsx

@@ -16,6 +16,7 @@ import { REACT_QUERY_KEY } from 'constants/reactQueryKeys';
 import { QueryTable } from 'container/QueryTable';
 import { useGetQueryRange } from 'hooks/queryBuilder/useGetQueryRange';
 import { useQueryBuilder } from 'hooks/queryBuilder/useQueryBuilder';
+import { useSaveRecentQuery } from 'hooks/recentQueries/useSaveRecentQuery';
 import { AppState } from 'store/reducers';
 import { Warning } from 'types/api';
 import APIError from 'types/api/error';
@@ -71,6 +72,8 @@ function TableView({
 		},
 	);
 
+	useSaveRecentQuery(stagedQuery);
+
 	useEffect(() => {
 		if (isLoading || isFetching) {
 			setIsLoadingQueries(true);

frontend/src/hooks/recentQueries/useRecentQueries.test.tsx

@@ -0,0 +1,88 @@
+import { act, renderHook } from '@testing-library/react';
+
+import * as store from 'lib/recentQueries/store';
+import type { RecentQueryInput } from 'lib/recentQueries/store';
+
+import { useRecentQueries } from './useRecentQueries';
+
+const baseInput = (
+	overrides: Partial<RecentQueryInput> = {},
+): RecentQueryInput => ({
+	signal: 'logs',
+	filter: { expression: 'a = 1' },
+	...overrides,
+});
+
+describe('useRecentQueries', () => {
+	beforeEach(() => {
+		store.__resetForTests();
+	});
+
+	it('returns the entries for the given signal', () => {
+		act(() => {
+			store.save(baseInput({ filter: { expression: 'a = 1' } }));
+			store.save(baseInput({ filter: { expression: 'b = 2' } }));
+		});
+
+		const { result } = renderHook(() => useRecentQueries('logs'));
+
+		expect(result.current.entries).toHaveLength(2);
+		expect(result.current.entries.map((e) => e.filter.expression)).toStrictEqual([
+			'b = 2',
+			'a = 1',
+		]);
+	});
+
+	it('does not return entries from other signals', () => {
+		act(() => {
+			store.save(baseInput({ signal: 'logs' }));
+			store.save(baseInput({ signal: 'traces' }));
+		});
+
+		const { result } = renderHook(() => useRecentQueries('logs'));
+
+		expect(result.current.entries).toHaveLength(1);
+		expect(result.current.entries[0].signal).toBe('logs');
+	});
+
+	it('re-renders when a new entry is saved', () => {
+		const { result } = renderHook(() => useRecentQueries('logs'));
+
+		expect(result.current.entries).toHaveLength(0);
+
+		act(() => {
+			store.save(baseInput());
+		});
+
+		expect(result.current.entries).toHaveLength(1);
+	});
+
+	it('re-renders when an entry is removed via the returned remove fn', () => {
+		const { result } = renderHook(() => useRecentQueries('logs'));
+
+		act(() => {
+			store.save(baseInput());
+		});
+		expect(result.current.entries).toHaveLength(1);
+
+		const id = result.current.entries[0].id;
+		act(() => {
+			result.current.remove(id);
+		});
+
+		expect(result.current.entries).toHaveLength(0);
+	});
+
+	it('keeps a stable entries reference when nothing changed', () => {
+		act(() => {
+			store.save(baseInput());
+		});
+
+		const { result, rerender } = renderHook(() => useRecentQueries('logs'));
+		const first = result.current.entries;
+		rerender();
+		const second = result.current.entries;
+
+		expect(second).toBe(first);
+	});
+});

frontend/src/hooks/recentQueries/useRecentQueries.ts

@@ -0,0 +1,39 @@
+import { useCallback, useSyncExternalStore } from 'react';
+import type { SignalType } from 'types/api/v5/queryRange';
+
+import * as store from 'lib/recentQueries/store';
+import type { RecentQueryEntry } from 'lib/recentQueries/types';
+
+export interface UseRecentQueriesReturn {
+	entries: RecentQueryEntry[];
+	remove: (id: string) => void;
+}
+
+/**
+ * Returns the recent-query entries for a given signal, sorted by
+ * most-recently-used first (the underlying store already maintains that
+ * order). Subscribes to the store so saves and removes — including those
+ * driven by another tab via the `storage` event — re-render the consumer.
+ */
+export function useRecentQueries(
+	signal: SignalType,
+): UseRecentQueriesReturn {
+	const getSnapshot = useCallback((): RecentQueryEntry[] => store.list(signal), [
+		signal,
+	]);
+
+	const entries = useSyncExternalStore(
+		store.subscribe,
+		getSnapshot,
+		getSnapshot,
+	);
+
+	const remove = useCallback(
+		(id: string): void => {
+			store.remove(id, signal);
+		},
+		[signal],
+	);
+
+	return { entries, remove };
+}

frontend/src/hooks/recentQueries/useSaveRecentQuery.test.tsx

@@ -0,0 +1,144 @@
+import { renderHook } from '@testing-library/react';
+import { EQueryType } from 'types/common/dashboard';
+import { DataSource } from 'types/common/queryBuilder';
+import type {
+	IBuilderQuery,
+	Query,
+} from 'types/api/queryBuilder/queryBuilderData';
+import { validateQuery } from 'utils/queryValidationUtils';
+
+import * as store from 'lib/recentQueries/store';
+
+import { useSaveRecentQuery } from './useSaveRecentQuery';
+
+jest.mock('utils/queryValidationUtils', () => ({
+	validateQuery: jest.fn(),
+}));
+
+const mockedValidateQuery = validateQuery as jest.MockedFunction<
+	typeof validateQuery
+>;
+
+const buildQuery = (overrides: Partial<IBuilderQuery>[] = [{}]): Query => ({
+	queryType: EQueryType.QUERY_BUILDER,
+	promql: [],
+	clickhouse_sql: [],
+	id: 'q1',
+	builder: {
+		queryFormulas: [],
+		queryTraceOperator: [],
+		queryData: overrides.map((o, i) => ({
+			queryName: `Q${i}`,
+			dataSource: DataSource.LOGS,
+			aggregateOperator: 'count',
+			aggregateAttribute: undefined as never,
+			functions: [],
+			filter: { expression: 'service.name = "frontend"' },
+			groupBy: [],
+			expression: `Q${i}`,
+			disabled: false,
+			having: [],
+			limit: null,
+			stepInterval: null,
+			orderBy: [],
+			legend: '',
+			...o,
+		})) as IBuilderQuery[],
+	},
+});
+
+describe('useSaveRecentQuery', () => {
+	beforeEach(() => {
+		store.__resetForTests();
+		mockedValidateQuery.mockReturnValue({
+			isValid: true,
+			message: '',
+			errors: [],
+		});
+	});
+
+	it('saves the staged query when validation passes', () => {
+		const stagedQuery = buildQuery();
+
+		renderHook(() => useSaveRecentQuery(stagedQuery));
+
+		const entries = store.list('logs');
+		expect(entries).toHaveLength(1);
+		expect(entries[0].filter.expression).toBe('service.name = "frontend"');
+	});
+
+	it('does not save when validateQuery rejects the expression', () => {
+		mockedValidateQuery.mockReturnValue({
+			isValid: false,
+			message: 'bad',
+			errors: [],
+		});
+		const stagedQuery = buildQuery();
+
+		renderHook(() => useSaveRecentQuery(stagedQuery));
+
+		expect(store.list('logs')).toHaveLength(0);
+	});
+
+	it('does not save a builder query with an empty filter expression', () => {
+		const stagedQuery = buildQuery([{ filter: { expression: '' } }]);
+
+		renderHook(() => useSaveRecentQuery(stagedQuery));
+
+		expect(store.list('logs')).toHaveLength(0);
+	});
+
+	it('saves each builder query in the composite separately', () => {
+		const stagedQuery = buildQuery([
+			{
+				dataSource: DataSource.LOGS,
+				filter: { expression: 'service.name = "a"' },
+			},
+			{
+				dataSource: DataSource.TRACES,
+				filter: { expression: 'service.name = "b"' },
+			},
+		]);
+
+		renderHook(() => useSaveRecentQuery(stagedQuery));
+
+		expect(store.list('logs')).toHaveLength(1);
+		expect(store.list('traces')).toHaveLength(1);
+	});
+
+	it('does not re-save when the staged query has not changed', () => {
+		const stagedQuery = buildQuery();
+
+		const { rerender } = renderHook(
+			({ q }: { q: Query }) => useSaveRecentQuery(q),
+			{ initialProps: { q: stagedQuery } },
+		);
+
+		const firstTimestamp = store.list('logs')[0].lastUsedAt;
+		rerender({ q: stagedQuery });
+
+		const second = store.list('logs');
+		expect(second).toHaveLength(1);
+		expect(second[0].lastUsedAt).toBe(firstTimestamp);
+	});
+
+	it('re-saves when the staged query filter changes', () => {
+		const initial = buildQuery([{ filter: { expression: 'a = 1' } }]);
+		const changed = buildQuery([{ filter: { expression: 'b = 2' } }]);
+
+		const { rerender } = renderHook(
+			({ q }: { q: Query }) => useSaveRecentQuery(q),
+			{ initialProps: { q: initial } },
+		);
+
+		expect(store.list('logs')).toHaveLength(1);
+		rerender({ q: changed });
+		expect(store.list('logs')).toHaveLength(2);
+	});
+
+	it('is a no-op when stagedQuery is null', () => {
+		renderHook(() => useSaveRecentQuery(null));
+
+		expect(store.list('logs')).toHaveLength(0);
+	});
+});

frontend/src/hooks/recentQueries/useSaveRecentQuery.ts

@@ -0,0 +1,94 @@
+import { useEffect, useRef } from 'react';
+import type {
+	IBuilderQuery,
+	Query,
+} from 'types/api/queryBuilder/queryBuilderData';
+import type { SignalType } from 'types/api/v5/queryRange';
+import { validateQuery } from 'utils/queryValidationUtils';
+
+import * as store from 'lib/recentQueries/store';
+
+// Legacy `IBuilderQuery.dataSource` uses the `DataSource` enum, whose string
+// values match `SignalType`. Narrow with a runtime check rather than blindly
+// casting — guards against any future drift.
+function toSignal(dataSource: IBuilderQuery['dataSource']): SignalType | null {
+	if (
+		dataSource === 'logs' ||
+		dataSource === 'traces' ||
+		dataSource === 'metrics'
+	) {
+		return dataSource;
+	}
+	return null;
+}
+
+// Build a stable signature of the staged filter expressions so the effect
+// knows when a re-save is genuinely warranted vs. when we're seeing the same
+// state across renders.
+function buildSignature(stagedQuery: Query | null | undefined): string | null {
+	if (!stagedQuery) {
+		return null;
+	}
+	const queryData = stagedQuery.builder?.queryData;
+	if (!Array.isArray(queryData) || queryData.length === 0) {
+		return null;
+	}
+	return JSON.stringify(
+		queryData.map((q) => ({
+			ds: q.dataSource,
+			f: q.filter?.expression ?? '',
+		})),
+	);
+}
+
+/**
+ * Save each builder query's filter expression in
+ * `stagedQuery.builder.queryData[]` to the recent-queries store.
+ *
+ * Gate: frontend grammar — `validateQuery(expression)` must accept it.
+ *
+ * We intentionally do NOT gate on a backend `isSuccess` flag. An
+ * investigation often runs queries that return zero results (e.g. searching
+ * for a rare error condition that doesn't currently exist in the data),
+ * and the user still wants to replay that query later. The frontend
+ * grammar check rejects expressions that don't parse; everything else is
+ * the user's intent worth preserving.
+ *
+ * The hook saves only the filter expression. Selecting a recent restores
+ * only the filter; the rest of the user's builder query (groupBy/orderBy/
+ * having/limit) is left untouched.
+ */
+export function useSaveRecentQuery(
+	stagedQuery: Query | null | undefined,
+): void {
+	const lastSavedSignatureRef = useRef<string | null>(null);
+
+	useEffect(() => {
+		const signature = buildSignature(stagedQuery);
+		if (!signature || signature === lastSavedSignatureRef.current) {
+			return;
+		}
+
+		const queryData = stagedQuery?.builder?.queryData ?? [];
+		queryData.forEach((q) => {
+			const expression = q.filter?.expression?.trim();
+			if (!expression) {
+				return;
+			}
+			const validation = validateQuery(expression);
+			if (!validation.isValid) {
+				return;
+			}
+			const signal = toSignal(q.dataSource);
+			if (!signal) {
+				return;
+			}
+			store.save({
+				signal,
+				filter: q.filter ?? { expression: '' },
+			});
+		});
+
+		lastSavedSignatureRef.current = signature;
+	}, [stagedQuery]);
+}

frontend/src/lib/recentQueries/normalize.test.ts

@@ -0,0 +1,65 @@
+import { normalizeFilterExpression } from './normalize';
+
+describe('normalizeFilterExpression', () => {
+	it('returns empty string for empty input', () => {
+		expect(normalizeFilterExpression('')).toBe('');
+	});
+
+	it('returns empty string for whitespace-only input', () => {
+		expect(normalizeFilterExpression('   \t  ')).toBe('');
+	});
+
+	it('strips whitespace around operators', () => {
+		expect(normalizeFilterExpression('  a = 1  ')).toBe('a=1');
+		expect(normalizeFilterExpression('a   =    1')).toBe('a=1');
+		expect(normalizeFilterExpression('a=1')).toBe('a=1');
+	});
+
+	it('lowercases AND / OR / NOT outside quotes', () => {
+		expect(normalizeFilterExpression('A AND B OR NOT C')).toBe('AandBornotC');
+	});
+
+	it('lowercases IN / LIKE / ILIKE / CONTAINS', () => {
+		expect(normalizeFilterExpression('host IN [1, 2] AND name LIKE "foo"')).toBe(
+			'hostin[1,2]andnamelike"foo"',
+		);
+	});
+
+	it('preserves whitespace and casing inside single-quoted strings', () => {
+		expect(normalizeFilterExpression("a = 'X  Y'")).toBe("a='X  Y'");
+	});
+
+	it('preserves whitespace and casing inside double-quoted strings', () => {
+		expect(normalizeFilterExpression('a   =   "X  Y"')).toBe('a="X  Y"');
+	});
+
+	it('does not lowercase keyword-looking substrings inside quotes', () => {
+		expect(normalizeFilterExpression("msg = 'AND ERROR'")).toBe("msg='AND ERROR'");
+	});
+
+	it('handles escaped quotes inside strings', () => {
+		expect(normalizeFilterExpression("msg = 'a\\'b' AND x = 1")).toBe(
+			"msg='a\\'b'andx=1",
+		);
+	});
+
+	it('treats two formattings of the same expression as identical', () => {
+		const a = normalizeFilterExpression(
+			'service.name = "frontend" AND severity = error',
+		);
+		const b = normalizeFilterExpression(
+			'service.name="frontend"   and  severity=error',
+		);
+		expect(a).toBe(b);
+	});
+
+	it('preserves unquoted value casing (treats them as identifiers)', () => {
+		expect(normalizeFilterExpression('status = OK')).toBe('status=OK');
+	});
+
+	it('handles mixed quotes in one expression', () => {
+		expect(normalizeFilterExpression(`a = 'X' AND b = "Y"`)).toBe(
+			`a='X'andb="Y"`,
+		);
+	});
+});

frontend/src/lib/recentQueries/normalize.ts

@@ -0,0 +1,53 @@
+// Lowercase only the standalone keywords/operators that have case-insensitive
+// semantics in the query grammar. Identifiers and unquoted values are left
+// alone — case may be meaningful there.
+const KEYWORDS_RE = /\b(AND|OR|NOT|IN|LIKE|ILIKE|CONTAINS|EXISTS|BETWEEN|IS|NULL|TRUE|FALSE)\b/gi;
+
+// Match a quoted string literal (single- or double-quoted) with simple
+// backslash escapes. Used to skip over value regions so we don't touch their
+// casing or whitespace.
+const QUOTED_RE = /'(?:\\.|[^'\\])*'|"(?:\\.|[^"\\])*"/g;
+
+function processOutsideQuotes(s: string): string {
+	// 1. Lowercase keywords while spaces are still in place so word-boundary
+	//    matching works (`\bAND\b`).
+	// 2. Strip all remaining whitespace. Glued identifiers are acceptable —
+	//    this string is only used as an internal dedup key, never displayed.
+	return s.replace(KEYWORDS_RE, (m) => m.toLowerCase()).replace(/\s+/g, '');
+}
+
+/**
+ * Normalize a filter expression for dedup purposes only.
+ *
+ * Pipeline: lowercase known keywords/operators (AND, OR, IN, NOT, LIKE, …)
+ * outside quoted strings, then strip all whitespace outside quoted strings.
+ * Casing and whitespace inside quoted string values are preserved.
+ *
+ * The result is intentionally not human-readable — it's an internal dedup key.
+ * The original raw expression text stays on the entry for display and prefix
+ * matching.
+ *
+ * This is not a parser — it catches the common formatting drift
+ * (`a = "x"` vs `a="x"` vs `a = 'x'` vs `A AND B` vs `a and b`) without
+ * trying to canonicalize the AST.
+ */
+export function normalizeFilterExpression(input: string): string {
+	if (!input) {
+		return '';
+	}
+
+	let result = '';
+	let lastIndex = 0;
+	QUOTED_RE.lastIndex = 0;
+
+	let match = QUOTED_RE.exec(input);
+	while (match !== null) {
+		result += processOutsideQuotes(input.slice(lastIndex, match.index));
+		result += match[0];
+		lastIndex = QUOTED_RE.lastIndex;
+		match = QUOTED_RE.exec(input);
+	}
+	result += processOutsideQuotes(input.slice(lastIndex));
+
+	return result.trim();
+}

frontend/src/lib/recentQueries/store.test.ts

@@ -0,0 +1,206 @@
+import * as store from './store';
+import type { RecentQueryInput } from './store';
+import type { RecentQueryEntry } from './types';
+
+const baseInput = (
+	overrides: Partial<RecentQueryInput> = {},
+): RecentQueryInput => ({
+	signal: 'logs',
+	filter: { expression: 'service.name = "frontend"' },
+	...overrides,
+});
+
+function saveOrThrow(input: RecentQueryInput): RecentQueryEntry {
+	const saved = store.save(input);
+	if (!saved) {
+		throw new Error('expected save to return an entry');
+	}
+	return saved;
+}
+
+describe('recentQueries store', () => {
+	beforeEach(() => {
+		store.__resetForTests();
+	});
+
+	describe('save + list', () => {
+		it('saves an entry and lists it', () => {
+			store.save(baseInput());
+			const entries = store.list('logs');
+			expect(entries).toHaveLength(1);
+			expect(entries[0].filter.expression).toBe('service.name = "frontend"');
+			expect(entries[0].id).toBeTruthy();
+			expect(entries[0].lastUsedAt).toBeGreaterThan(0);
+		});
+
+		it('does not save when the filter expression is empty', () => {
+			const result = store.save(baseInput({ filter: { expression: '' } }));
+			expect(result).toBeNull();
+			expect(store.list('logs')).toHaveLength(0);
+		});
+
+		it('does not save when the filter expression is whitespace only', () => {
+			const result = store.save(baseInput({ filter: { expression: '   ' } }));
+			expect(result).toBeNull();
+			expect(store.list('logs')).toHaveLength(0);
+		});
+	});
+
+	describe('LRU ordering', () => {
+		it('places the most recently saved entry at the front', () => {
+			store.save(baseInput({ filter: { expression: 'a = 1' } }));
+			store.save(baseInput({ filter: { expression: 'b = 2' } }));
+			store.save(baseInput({ filter: { expression: 'c = 3' } }));
+
+			const entries = store.list('logs');
+			expect(entries.map((e) => e.filter.expression)).toStrictEqual([
+				'c = 3',
+				'b = 2',
+				'a = 1',
+			]);
+		});
+
+		it('re-saving an existing filter bumps it to the front', () => {
+			store.save(baseInput({ filter: { expression: 'a = 1' } }));
+			store.save(baseInput({ filter: { expression: 'b = 2' } }));
+			store.save(baseInput({ filter: { expression: 'a = 1' } }));
+
+			const entries = store.list('logs');
+			expect(entries).toHaveLength(2);
+			expect(entries.map((e) => e.filter.expression)).toStrictEqual([
+				'a = 1',
+				'b = 2',
+			]);
+		});
+	});
+
+	describe('dedup', () => {
+		it('treats formatting variations of the same filter as one entry', () => {
+			store.save(baseInput({ filter: { expression: 'a = 1 AND b = 2' } }));
+			store.save(baseInput({ filter: { expression: 'a=1   and  b=2' } }));
+
+			expect(store.list('logs')).toHaveLength(1);
+		});
+	});
+
+	describe('signal partitioning', () => {
+		it('saves to the right bucket per signal', () => {
+			store.save(baseInput({ signal: 'logs', filter: { expression: 'a = 1' } }));
+			store.save(
+				baseInput({ signal: 'traces', filter: { expression: 'b = 2' } }),
+			);
+			store.save(
+				baseInput({ signal: 'metrics', filter: { expression: 'c = 3' } }),
+			);
+
+			expect(store.list('logs')).toHaveLength(1);
+			expect(store.list('traces')).toHaveLength(1);
+			expect(store.list('metrics')).toHaveLength(1);
+			expect(store.list('logs')[0].filter.expression).toBe('a = 1');
+			expect(store.list('traces')[0].filter.expression).toBe('b = 2');
+			expect(store.list('metrics')[0].filter.expression).toBe('c = 3');
+		});
+
+		it('does not leak between signals on dedup', () => {
+			store.save(baseInput({ signal: 'logs', filter: { expression: 'a = 1' } }));
+			store.save(
+				baseInput({ signal: 'traces', filter: { expression: 'a = 1' } }),
+			);
+
+			expect(store.list('logs')).toHaveLength(1);
+			expect(store.list('traces')).toHaveLength(1);
+		});
+	});
+
+	describe('LRU cap', () => {
+		it('caps the bucket at 10 entries and evicts the oldest', () => {
+			for (let i = 0; i < 11; i += 1) {
+				store.save(baseInput({ filter: { expression: `attr_${i} = 1` } }));
+			}
+
+			const entries = store.list('logs');
+			expect(entries).toHaveLength(10);
+			expect(entries[0].filter.expression).toBe('attr_10 = 1');
+			expect(
+				entries.some((e) => e.filter.expression === 'attr_0 = 1'),
+			).toBe(false);
+		});
+	});
+
+	describe('remove', () => {
+		it('removes an entry by id', () => {
+			store.save(baseInput({ filter: { expression: 'a = 1' } }));
+			const saved = saveOrThrow(baseInput({ filter: { expression: 'b = 2' } }));
+			store.remove(saved.id, 'logs');
+
+			const entries = store.list('logs');
+			expect(entries).toHaveLength(1);
+			expect(entries[0].filter.expression).toBe('a = 1');
+		});
+
+		it('is a no-op when the id does not exist', () => {
+			store.save(baseInput({ filter: { expression: 'a = 1' } }));
+			store.remove('does-not-exist', 'logs');
+			expect(store.list('logs')).toHaveLength(1);
+		});
+
+		it('does not touch other signals', () => {
+			const logsEntry = saveOrThrow(
+				baseInput({ signal: 'logs', filter: { expression: 'a = 1' } }),
+			);
+			store.save(baseInput({ signal: 'traces', filter: { expression: 'a = 1' } }));
+
+			store.remove(logsEntry.id, 'logs');
+
+			expect(store.list('logs')).toHaveLength(0);
+			expect(store.list('traces')).toHaveLength(1);
+		});
+	});
+
+	describe('persistence', () => {
+		it('reads back the same entries after the in-memory cache is dropped', () => {
+			store.save(baseInput({ filter: { expression: 'a = 1' } }));
+			store.save(baseInput({ filter: { expression: 'b = 2' } }));
+
+			store.__dropCacheForTests();
+
+			const entries = store.list('logs');
+			expect(entries.map((e) => e.filter.expression)).toStrictEqual([
+				'b = 2',
+				'a = 1',
+			]);
+		});
+	});
+
+	describe('subscribe', () => {
+		it('notifies subscribers on save', () => {
+			const cb = jest.fn();
+			store.subscribe(cb);
+			store.save(baseInput({ filter: { expression: 'a = 1' } }));
+			expect(cb).toHaveBeenCalledTimes(1);
+		});
+
+		it('notifies subscribers on remove', () => {
+			const saved = saveOrThrow(baseInput({ filter: { expression: 'a = 1' } }));
+			const cb = jest.fn();
+			store.subscribe(cb);
+			store.remove(saved.id, 'logs');
+			expect(cb).toHaveBeenCalledTimes(1);
+		});
+
+		it('stops notifying after unsubscribe', () => {
+			const cb = jest.fn();
+			const unsubscribe = store.subscribe(cb);
+			unsubscribe();
+			store.save(baseInput({ filter: { expression: 'a = 1' } }));
+			expect(cb).not.toHaveBeenCalled();
+		});
+
+		it('does not notify for no-op removes', () => {
+			const cb = jest.fn();
+			store.subscribe(cb);
+			store.remove('does-not-exist', 'logs');
+			expect(cb).not.toHaveBeenCalled();
+		});
+	});
+});

frontend/src/lib/recentQueries/store.ts

@@ -0,0 +1,187 @@
+import type { SignalType } from 'types/api/v5/queryRange';
+
+import { normalizeFilterExpression } from './normalize';
+import type {
+	RecentQueriesStoreShape,
+	RecentQueryEntry,
+} from './types';
+
+const STORAGE_KEY_PREFIX = 'qb_recent_v1';
+const STORAGE_VERSION = 1;
+const MAX_ENTRIES = 10;
+const QUOTA_RETRY_FRACTION = 0.8;
+const SIGNALS: readonly SignalType[] = ['logs', 'traces', 'metrics'];
+
+const storageKey = (signal: SignalType): string =>
+	`${STORAGE_KEY_PREFIX}:${signal}`;
+
+const cache = new Map<SignalType, RecentQueryEntry[]>();
+const subscribers = new Set<() => void>();
+
+function hasLocalStorage(): boolean {
+	return (
+		typeof window !== 'undefined' && typeof window.localStorage !== 'undefined'
+	);
+}
+
+function readFromStorage(signal: SignalType): RecentQueryEntry[] {
+	if (!hasLocalStorage()) {
+		return [];
+	}
+	try {
+		const raw = window.localStorage.getItem(storageKey(signal));
+		if (!raw) {
+			return [];
+		}
+		const parsed = JSON.parse(raw) as RecentQueriesStoreShape;
+		if (parsed?.version !== STORAGE_VERSION || !Array.isArray(parsed.entries)) {
+			return [];
+		}
+		return parsed.entries;
+	} catch {
+		return [];
+	}
+}
+
+// Attempts to persist; on write failure (typically QuotaExceededError), drops
+// the oldest fraction and retries once. Returns the entries that were actually
+// written (caller should mirror this into the in-memory cache so reads stay
+// consistent).
+function writeToStorage(
+	signal: SignalType,
+	entries: RecentQueryEntry[],
+): RecentQueryEntry[] {
+	if (!hasLocalStorage()) {
+		return entries;
+	}
+
+	const persist = (toWrite: RecentQueryEntry[]): boolean => {
+		try {
+			window.localStorage.setItem(
+				storageKey(signal),
+				JSON.stringify({ version: STORAGE_VERSION, entries: toWrite }),
+			);
+			return true;
+		} catch {
+			// Swallow quota and other write errors. Caller retries with a trimmed
+			// list when this returns false.
+			return false;
+		}
+	};
+
+	if (persist(entries)) {
+		return entries;
+	}
+
+	const trimmed = entries.slice(
+		0,
+		Math.max(1, Math.floor(entries.length * QUOTA_RETRY_FRACTION)),
+	);
+	if (persist(trimmed)) {
+		return trimmed;
+	}
+	return entries;
+}
+
+function getCache(signal: SignalType): RecentQueryEntry[] {
+	const existing = cache.get(signal);
+	if (existing) {
+		return existing;
+	}
+	const fresh = readFromStorage(signal);
+	cache.set(signal, fresh);
+	return fresh;
+}
+
+function notify(): void {
+	subscribers.forEach((cb) => cb());
+}
+
+// Deterministic id derived from the dedup key. Two saves with the same
+// (signal, normalized filter) produce the same id and upsert.
+function makeId(signal: SignalType, normalizedFilter: string): string {
+	return `${signal}|${normalizedFilter}`;
+}
+
+export type RecentQueryInput = Omit<RecentQueryEntry, 'id' | 'lastUsedAt'>;
+
+export function list(signal: SignalType): RecentQueryEntry[] {
+	return getCache(signal);
+}
+
+export function save(entry: RecentQueryInput): RecentQueryEntry | null {
+	const normalized = normalizeFilterExpression(entry.filter.expression);
+	if (!normalized) {
+		return null;
+	}
+
+	const id = makeId(entry.signal, normalized);
+	const current = getCache(entry.signal);
+	const filtered = current.filter((e) => e.id !== id);
+
+	const newEntry: RecentQueryEntry = {
+		...entry,
+		id,
+		lastUsedAt: Date.now(),
+	};
+
+	const next = [newEntry, ...filtered].slice(0, MAX_ENTRIES);
+	const persisted = writeToStorage(entry.signal, next);
+	cache.set(entry.signal, persisted);
+	notify();
+	return newEntry;
+}
+
+export function remove(id: string, signal: SignalType): void {
+	const current = getCache(signal);
+	const next = current.filter((e) => e.id !== id);
+	if (next.length === current.length) {
+		return;
+	}
+	const persisted = writeToStorage(signal, next);
+	cache.set(signal, persisted);
+	notify();
+}
+
+export function subscribe(cb: () => void): () => void {
+	subscribers.add(cb);
+	return (): void => {
+		subscribers.delete(cb);
+	};
+}
+
+function handleCrossTabStorageEvent(event: StorageEvent): void {
+	if (!event.key || !event.key.startsWith(`${STORAGE_KEY_PREFIX}:`)) {
+		return;
+	}
+	const signal = event.key.slice(STORAGE_KEY_PREFIX.length + 1) as SignalType;
+	if (!SIGNALS.includes(signal)) {
+		return;
+	}
+	cache.set(signal, readFromStorage(signal));
+	notify();
+}
+
+if (
+	typeof window !== 'undefined' &&
+	typeof window.addEventListener === 'function'
+) {
+	window.addEventListener('storage', handleCrossTabStorageEvent);
+}
+
+// Test-only escape hatch. Clears in-memory cache, subscribers, and the
+// localStorage keys we own. Should not be called from production code.
+export function __resetForTests(): void {
+	cache.clear();
+	subscribers.clear();
+	if (hasLocalStorage()) {
+		SIGNALS.forEach((s) => window.localStorage.removeItem(storageKey(s)));
+	}
+}
+
+// Test-only escape hatch. Drops the in-memory cache without touching
+// localStorage, letting tests simulate a fresh page load that rehydrates from
+// persisted data. Should not be called from production code.
+export function __dropCacheForTests(): void {
+	cache.clear();
+}

frontend/src/lib/recentQueries/types.ts

@@ -0,0 +1,16 @@
+import type { Filter, SignalType } from 'types/api/v5/queryRange';
+
+// A stored recent search. We persist only the where-clause expression — the
+// rest of the query bundle (groupBy/orderBy/having/limit) lives on the
+// current builder query and is left untouched when a recent is selected.
+export interface RecentQueryEntry {
+	id: string;
+	signal: SignalType;
+	filter: Filter;
+	lastUsedAt: number;
+}
+
+export interface RecentQueriesStoreShape {
+	version: 1;
+	entries: RecentQueryEntry[];
+}

frontend/src/pages/TraceDetailsV3/TraceDetailsHeader/TraceDetailsHeader.module.scss

@@ -8,7 +8,6 @@
 	align-items: center;
 	padding: 8px 16px;
 	gap: 8px;
-	min-height: 52px;
 
 	// KeyValueLabel renders with a global `.key-value-label` root; keep it from
 	// shrinking on the trace details header.
@@ -21,28 +20,6 @@
 	flex-shrink: 0;
 }
 
-.traceIdSection {
-	display: flex;
-	align-items: center;
-	gap: 8px;
-	flex-shrink: 0;
-}
-
-.filterSection {
-	display: flex;
-	align-items: center;
-	gap: 8px;
-	min-width: 0;
-	margin-left: auto;
-}
-
-.headerActions {
-	display: flex;
-	align-items: center;
-	gap: 8px;
-	flex-shrink: 0;
-}
-
 .filter {
 	min-width: 0;
 }
@@ -52,6 +29,15 @@
 	flex: 1;
 }
 
+.oldViewBtn {
+	flex-shrink: 0;
+}
+
+.analyticsBtn {
+	flex-shrink: 0;
+	margin-left: auto;
+}
+
 .subHeader {
 	display: flex;
 	align-items: center;

frontend/src/pages/TraceDetailsV3/TraceDetailsHeader/TraceDetailsHeader.tsx

@@ -21,7 +21,6 @@ import {
 	ArrowLeft,
 	CalendarClock,
 	ChartPie,
-	CornerUpLeft,
 	Server,
 	Timer,
 } from '@signozhq/icons';
@@ -118,7 +117,7 @@ function TraceDetailsHeader({
 		<div className={styles.wrapper}>
 			<div className={styles.header}>
 				{!isFilterExpanded && (
-					<div className={styles.traceIdSection}>
+					<>
 						<Button
 							variant="solid"
 							color="secondary"
@@ -134,39 +133,20 @@ function TraceDetailsHeader({
 							badgeValue={traceID || ''}
 							maxCharacters={100}
 						/>
-					</div>
+					</>
 				)}
 				{isDataLoaded && (
-					<div
-						className={cx(
-							styles.filterSection,
-							isFilterExpanded && styles.isExpanded,
-						)}
-					>
+					<>
 						{!isFilterExpanded && (
-							<TooltipProvider>
-								<div className={styles.headerActions}>
+							<>
+								<TooltipProvider>
 									<TooltipRoot>
 										<TooltipTrigger asChild>
 											<Button
 												variant="ghost"
 												size="icon"
 												color="secondary"
-												aria-label="Switch to legacy trace view"
-												onClick={handleSwitchToOldView}
-											>
-												<CornerUpLeft size={14} />
-											</Button>
-										</TooltipTrigger>
-										<TooltipContent>Switch to legacy trace view</TooltipContent>
-									</TooltipRoot>
-									<TooltipRoot>
-										<TooltipTrigger asChild>
-											<Button
-												variant="ghost"
-												size="icon"
-												color="secondary"
-												aria-label="Analytics"
+												className={styles.analyticsBtn}
 												onClick={(): void => setIsAnalyticsOpen((prev) => !prev)}
 											>
 												<ChartPie size={14} />
@@ -174,18 +154,15 @@ function TraceDetailsHeader({
 										</TooltipTrigger>
 										<TooltipContent>Analytics</TooltipContent>
 									</TooltipRoot>
-									<TraceOptionsMenu
-										showTraceDetails={showTraceDetails}
-										onToggleTraceDetails={handleToggleTraceDetails}
-										onOpenPreviewFields={(): void => setIsPreviewFieldsOpen(true)}
-									/>
-								</div>
-							</TooltipProvider>
+								</TooltipProvider>
+								<TraceOptionsMenu
+									showTraceDetails={showTraceDetails}
+									onToggleTraceDetails={handleToggleTraceDetails}
+									onOpenPreviewFields={(): void => setIsPreviewFieldsOpen(true)}
+								/>
+							</>
 						)}
-						<div
-							key="filter"
-							className={cx(styles.filter, isFilterExpanded && styles.isExpanded)}
-						>
+						<div className={cx(styles.filter, isFilterExpanded && styles.isExpanded)}>
 							<Filters
 								startTime={filterMetadata.startTime}
 								endTime={filterMetadata.endTime}
@@ -196,7 +173,18 @@ function TraceDetailsHeader({
 								onCollapse={(): void => setIsFilterExpanded(false)}
 							/>
 						</div>
-					</div>
+						{!isFilterExpanded && (
+							<Button
+								variant="solid"
+								color="secondary"
+								size="sm"
+								className={styles.oldViewBtn}
+								onClick={handleSwitchToOldView}
+							>
+								Legacy View
+							</Button>
+						)}
+					</>
 				)}
 			</div>
 

frontend/src/pages/TraceDetailsV3/TraceDetailsHeader/TraceOptionsMenu.tsx

@@ -2,7 +2,7 @@ import { useMemo } from 'react';
 import type { MenuItem } from '@signozhq/ui/dropdown-menu';
 import { Button } from '@signozhq/ui/button';
 import { DropdownMenuSimple as Dropdown } from '@signozhq/ui/dropdown-menu';
-import { Settings2 } from '@signozhq/icons';
+import { Ellipsis } from '@signozhq/icons';
 
 import { useTraceStore } from '../stores/traceStore';
 
@@ -93,8 +93,7 @@ function TraceOptionsMenu({
 				variant="ghost"
 				size="icon"
 				color="secondary"
-				aria-label="Trace options"
-				prefix={<Settings2 size={14} />}
+				prefix={<Ellipsis size={14} />}
 			/>
 		</Dropdown>
 	);

frontend/src/pages/TraceDetailsV3/TraceDetailsHeader/__tests__/TraceDetailsHeader.test.tsx

@@ -6,7 +6,6 @@ import TraceDetailsHeader from '../TraceDetailsHeader';
 
 const mockGoBack = jest.fn();
 const mockPush = jest.fn();
-const mockReplace = jest.fn();
 const mockHasInAppHistory = jest.fn();
 
 jest.mock('lib/history', () => ({
@@ -14,47 +13,13 @@ jest.mock('lib/history', () => ({
 	default: {
 		goBack: (): void => mockGoBack(),
 		push: (path: string): void => mockPush(path),
-		replace: (path: string): void => mockReplace(path),
+		replace: jest.fn(),
 		location: { pathname: '/', search: '' },
 		listen: (): (() => void) => (): void => undefined,
 	},
 	hasInAppHistory: (): boolean => mockHasInAppHistory(),
 }));
 
-jest.mock('react-router-dom', () => ({
-	...jest.requireActual('react-router-dom'),
-	useParams: (): { id: string } => ({ id: 'trace-123' }),
-}));
-
-const mockSetLocalStorageKey = jest.fn();
-jest.mock('api/browser/localstorage/set', () => ({
-	__esModule: true,
-	default: (key: string, value: string): void =>
-		mockSetLocalStorageKey(key, value),
-}));
-
-jest.mock(
-	'../../TraceWaterfall/TraceWaterfallStates/Success/Filters/Filters',
-	() => ({
-		__esModule: true,
-		default: (): JSX.Element => <div data-testid="filters-stub" />,
-	}),
-);
-
-jest.mock('../../SpanDetailsPanel/AnalyticsPanel/AnalyticsPanel', () => ({
-	__esModule: true,
-	default: ({ isOpen }: { isOpen: boolean }): JSX.Element => (
-		<div data-testid="analytics-panel" data-open={isOpen ? 'true' : 'false'} />
-	),
-}));
-
-jest.mock('components/FieldsSelector', () => ({
-	__esModule: true,
-	default: ({ isOpen }: { isOpen: boolean }): JSX.Element => (
-		<div data-testid="fields-selector" data-open={isOpen ? 'true' : 'false'} />
-	),
-}));
-
 const baseProps = {
 	filterMetadata: {
 		startTime: 0,
@@ -93,70 +58,3 @@ describe('TraceDetailsHeader – back button', () => {
 		expect(mockGoBack).not.toHaveBeenCalled();
 	});
 });
-
-describe('TraceDetailsHeader – action cluster', () => {
-	beforeEach(() => {
-		mockReplace.mockClear();
-		mockSetLocalStorageKey.mockClear();
-	});
-
-	it('does not render the action buttons while data is still loading', () => {
-		render(<TraceDetailsHeader {...baseProps} isDataLoaded={false} />);
-
-		expect(
-			screen.queryByRole('button', { name: /switch to legacy trace view/i }),
-		).not.toBeInTheDocument();
-		expect(
-			screen.queryByRole('button', { name: /^analytics$/i }),
-		).not.toBeInTheDocument();
-		expect(
-			screen.queryByRole('button', { name: /trace options/i }),
-		).not.toBeInTheDocument();
-	});
-
-	it('renders Legacy View, Analytics, and Settings action buttons once data is loaded', () => {
-		render(<TraceDetailsHeader {...baseProps} isDataLoaded />);
-
-		expect(
-			screen.getByRole('button', { name: /switch to legacy trace view/i }),
-		).toBeInTheDocument();
-		expect(
-			screen.getByRole('button', { name: /^analytics$/i }),
-		).toBeInTheDocument();
-		expect(
-			screen.getByRole('button', { name: /trace options/i }),
-		).toBeInTheDocument();
-	});
-
-	it('routes to the legacy trace view and persists the preference on click', () => {
-		render(<TraceDetailsHeader {...baseProps} isDataLoaded />);
-
-		fireEvent.click(
-			screen.getByRole('button', { name: /switch to legacy trace view/i }),
-		);
-
-		expect(mockSetLocalStorageKey).toHaveBeenCalledWith(
-			'TRACE_DETAILS_PREFER_OLD_VIEW',
-			'true',
-		);
-		expect(mockReplace).toHaveBeenCalledTimes(1);
-		expect(mockReplace).toHaveBeenCalledWith(
-			expect.stringContaining('/trace-old/trace-123'),
-		);
-	});
-
-	it('toggles the AnalyticsPanel open state when the Analytics button is clicked', () => {
-		render(<TraceDetailsHeader {...baseProps} isDataLoaded />);
-
-		const panel = screen.getByTestId('analytics-panel');
-		expect(panel).toHaveAttribute('data-open', 'false');
-
-		const analyticsBtn = screen.getByRole('button', { name: /^analytics$/i });
-
-		fireEvent.click(analyticsBtn);
-		expect(panel).toHaveAttribute('data-open', 'true');
-
-		fireEvent.click(analyticsBtn);
-		expect(panel).toHaveAttribute('data-open', 'false');
-	});
-});

frontend/src/pages/TraceDetailsV3/TraceWaterfall/TraceWaterfallStates/Success/Filters/Filters.module.scss

@@ -3,6 +3,12 @@
 	align-items: center;
 	gap: 12px;
 
+	// QuerySearch child sets `query-builder-search-v2` globally; size it to the
+	// search container by reaching into the descendant.
+	:global(.query-builder-search-v2) {
+		width: 100%;
+	}
+
 	// ToggleGroup children use generated class names; nest the global selectors
 	// under the local row so they only apply inside this filter row.
 	:global([class*='toggle-group']) {
@@ -14,43 +20,8 @@
 	}
 }
 
-// Expanded-mode root: grows to fill .filter wrapper, and lets the search
-// input flex within. In collapsed mode none of these grow — the whole
-// Filters region is content-sized (just the pill + result + toggle).
 .isExpanded {
 	flex: 1;
-
-	.searchInput {
-		flex: 1;
-	}
-
-	.searchAndNav {
-		flex: 1;
-	}
-}
-
-.categoryControls {
-	display: flex;
-	align-items: center;
-	flex-shrink: 0;
-}
-
-.searchInput {
-	display: flex;
-	align-items: center;
-	min-width: 0;
-}
-
-.searchPill {
-	display: flex;
-	align-items: center;
-	flex-shrink: 0;
-}
-
-.searchAndNav {
-	display: flex;
-	align-items: center;
-	min-width: 0;
 }
 
 .searchContainer {
@@ -58,25 +29,6 @@
 	min-width: 0;
 }
 
-.resultActions {
-	display: flex;
-	align-items: center;
-	gap: 4px;
-	flex-shrink: 0;
-}
-
-.expandedActions {
-	display: flex;
-	align-items: center;
-	gap: 2px;
-}
-
-.highlightControl {
-	display: flex;
-	align-items: center;
-	flex-shrink: 0;
-}
-
 .pill {
 	display: flex;
 	align-items: center;
@@ -133,6 +85,14 @@
 	border-radius: 4px;
 }
 
+.collapseBtn {
+	flex-shrink: 0;
+	display: flex;
+	align-items: center;
+	justify-content: center;
+	box-shadow: none;
+}
+
 .highlightErrorsToggle {
 	display: flex;
 	align-items: center;
@@ -140,3 +100,37 @@
 	flex-shrink: 0;
 	white-space: nowrap;
 }
+
+.preNextToggle {
+	display: flex;
+	flex-shrink: 0;
+	gap: 12px;
+}
+
+.preNextCount {
+	display: flex;
+	align-items: center;
+	margin: auto;
+	color: var(--l2-foreground);
+	font-family: 'Geist Mono';
+	font-size: 12px;
+	font-weight: 400;
+	line-height: 18px;
+}
+
+.filterStatus {
+	display: flex;
+	align-items: center;
+	gap: 6px;
+	flex-shrink: 0;
+	color: var(--l2-foreground);
+	font-family: 'Geist Mono';
+	font-size: 12px;
+	font-weight: 400;
+	line-height: 18px;
+}
+
+.hasError {
+	color: var(--destructive);
+	cursor: help;
+}

frontend/src/pages/TraceDetailsV3/TraceWaterfall/TraceWaterfallStates/Success/Filters/Filters.tsx

@@ -1,7 +1,15 @@
 import { useCallback, useRef, useState } from 'react';
 import { useHistory, useLocation } from 'react-router-dom';
 import { useCopyToClipboard } from 'react-use';
-import { ChevronsRight, Copy, Search, X } from '@signozhq/icons';
+import {
+	ChevronDown,
+	ChevronUp,
+	Copy,
+	Info,
+	Loader,
+	Search,
+	X,
+} from '@signozhq/icons';
 import { Switch } from '@signozhq/ui/switch';
 import { ToggleGroup, ToggleGroupItem } from '@signozhq/ui/toggle-group';
 import { toast } from '@signozhq/ui/sonner';
@@ -13,6 +21,7 @@ import {
 	TooltipTrigger,
 } from '@signozhq/ui/tooltip';
 import { Typography } from '@signozhq/ui/typography';
+import { AxiosError } from 'axios';
 import cx from 'classnames';
 import QuerySearch from 'components/QueryBuilderV2/QueryV2/QuerySearch/QuerySearch';
 import { convertExpressionToFilters } from 'components/QueryBuilderV2/utils';
@@ -33,7 +42,6 @@ import {
 	SpanCategory,
 	useSpanCategoryFilter,
 } from './hooks/useSpanCategoryFilter';
-import QueryResult from './QueryResult';
 
 import styles from './Filters.module.scss';
 
@@ -144,16 +152,6 @@ function Filters({
 		runQuery(expressionRef.current);
 	}, [runQuery]);
 
-	const handleClear = useCallback((): void => {
-		setExpression('');
-		expressionRef.current = '';
-		setFilters({ items: [], op: 'AND' });
-		setFilteredSpanIds([]);
-		onFilteredSpansChange?.([], false);
-		setCurrentSearchedIndex(0);
-		setNoData(false);
-	}, [onFilteredSpansChange]);
-
 	// Expression-based filter hooks
 	const filterProps = {
 		expression,
@@ -268,167 +266,164 @@ function Filters({
 		</div>
 	);
 
-	const hasExpression = expression.trim().length > 0;
-	const hasResults = filteredSpanIds.length > 0;
-
-	const handlePrev = useCallback((): void => {
-		handlePrevNext(currentSearchedIndex - 1);
-		setCurrentSearchedIndex((prev) => prev - 1);
-	}, [currentSearchedIndex, handlePrevNext]);
-
-	const handleNext = useCallback((): void => {
-		handlePrevNext(currentSearchedIndex + 1);
-		setCurrentSearchedIndex((prev) => prev + 1);
-	}, [currentSearchedIndex, handlePrevNext]);
-
-	const pill = (
-		/* eslint-disable-next-line jsx-a11y/click-events-have-key-events, jsx-a11y/no-static-element-interactions */
-		<div className={styles.pill} onClick={onExpand}>
-			<Search size={12} />
-			<span className={styles.pillText}>{expression || 'Search...'}</span>
-			{expression && <span className={styles.pillIndicator} />}
-		</div>
+	const statusIndicators = (
+		<>
+			{isFetching && <Loader className="animate-spin" />}
+			{error && (
+				<TooltipRoot>
+					<TooltipTrigger asChild>
+						<span className={cx(styles.filterStatus, styles.hasError)}>
+							<Info />
+							API error
+						</span>
+					</TooltipTrigger>
+					<TooltipContent>
+						{(error as AxiosError)?.message || 'Something went wrong'}
+					</TooltipContent>
+				</TooltipRoot>
+			)}
+			{!error && noData && (
+				<Typography.Text className={styles.filterStatus}>
+					No results found
+				</Typography.Text>
+			)}
+		</>
 	);
 
-	const pillWithPopover = expression ? (
-		<TooltipRoot>
-			<TooltipTrigger asChild>{pill}</TooltipTrigger>
-			<TooltipContent side="bottom" align="start">
-				<div className={styles.pillPopover}>
-					<div className={styles.pillPopoverHeader}>
-						<Typography.Text>Search query</Typography.Text>
-						<Button
-							variant="ghost"
-							size="icon"
-							color="secondary"
-							onClick={(): void => {
-								setCopy(expression);
-								toast.success('Copied to clipboard', {
-									richColors: false,
-									position: 'top-right',
-								});
-							}}
-						>
-							<Copy size={12} />
-						</Button>
-					</div>
-					<div className={styles.pillPopoverExpression}>{expression}</div>
-				</div>
-			</TooltipContent>
-		</TooltipRoot>
-	) : (
-		pill
-	);
+	// --- COLLAPSED VIEW ---
+	if (!isExpanded) {
+		const pill = (
+			/* eslint-disable-next-line jsx-a11y/click-events-have-key-events, jsx-a11y/no-static-element-interactions */
+			<div className={styles.pill} onClick={onExpand}>
+				<Search size={12} />
+				<span className={styles.pillText}>{expression || 'Search...'}</span>
+				{expression && <span className={styles.pillIndicator} />}
+			</div>
+		);
 
-	// Mode-conditional render: only one of (pill | QuerySearch) is mounted
-	// at a time. Collapsing unmounts the editor — half-written queries are
-	// dropped, so collapse can't accidentally commit a malformed expression
-	// and fire an erroring /query_range request.
-	return (
-		<TooltipProvider>
-			{/* eslint-disable-next-line jsx-a11y/no-static-element-interactions */}
-			<div
-				className={cx(styles.root, isExpanded && styles.isExpanded)}
-				ref={containerRef}
-				onBlur={(e): void => {
-					const relatedTarget = e.relatedTarget as Node | null;
-					const blurredIntoSelf = !!containerRef.current?.contains(relatedTarget);
-					if (!blurredIntoSelf) {
-						handleBlur();
-					}
-				}}
-			>
-				{isExpanded && (
-					<div className={styles.categoryControls}>
-						<ToggleGroup
-							type="single"
-							value={selectedCategory}
-							onChange={(value): void => {
-								if (value) {
-									handleCategoryChange(value as SpanCategory);
-								}
-							}}
-							size="sm"
-						>
-							{categories.map((category) => (
-								<ToggleGroupItem key={category} value={category}>
-									{category}
-								</ToggleGroupItem>
-							))}
-						</ToggleGroup>
-					</div>
-				)}
-
-				<div className={styles.searchInput}>
-					{isExpanded ? (
-						<div className={styles.searchAndNav}>
-							<div className={styles.searchContainer}>
-								<QuerySearch
-									queryData={{
-										...BASE_FILTER_QUERY,
-										filters,
-										filter: { expression },
-									}}
-									onChange={handleExpressionChange}
-									onRun={handleRunQuery}
-									dataSource={DataSource.TRACES}
-									placeholder="Enter your filter query (e.g., http.status_code >= 500 AND service.name = 'frontend')"
-								/>
-							</div>
-						</div>
-					) : (
-						<div className={styles.searchPill}>{pillWithPopover}</div>
-					)}
-				</div>
-
-				<div className={styles.resultActions}>
-					<QueryResult
-						hasExpression={hasExpression}
-						hasResults={hasResults}
-						isFetching={isFetching}
-						error={error}
-						noData={noData}
-						currentIndex={currentSearchedIndex}
-						total={filteredSpanIds.length}
-						onPrev={handlePrev}
-						onNext={handleNext}
-						showNavigation={isExpanded}
-					/>
-					{isExpanded && (
-						<div className={styles.expandedActions}>
-							{hasExpression && (
-								<TooltipRoot>
-									<TooltipTrigger asChild>
+		return (
+			<TooltipProvider>
+				<div className={styles.root}>
+					{expression ? (
+						<TooltipRoot>
+							<TooltipTrigger asChild>{pill}</TooltipTrigger>
+							<TooltipContent side="bottom" align="start">
+								<div className={styles.pillPopover}>
+									<div className={styles.pillPopoverHeader}>
+										<Typography.Text>Search query</Typography.Text>
 										<Button
 											variant="ghost"
 											size="icon"
 											color="secondary"
-											onClick={handleClear}
+											onClick={(): void => {
+												setCopy(expression);
+												toast.success('Copied to clipboard', {
+													richColors: false,
+													position: 'top-right',
+												});
+											}}
 										>
-											<X size={14} />
+											<Copy size={12} />
 										</Button>
-									</TooltipTrigger>
-									<TooltipContent>Clear filter</TooltipContent>
-								</TooltipRoot>
-							)}
-							<TooltipRoot>
-								<TooltipTrigger asChild>
-									<Button
-										variant="ghost"
-										size="icon"
-										color="secondary"
-										onClick={onCollapse}
-									>
-										<ChevronsRight size={14} />
-									</Button>
-								</TooltipTrigger>
-								<TooltipContent>Collapse filters</TooltipContent>
-							</TooltipRoot>
-						</div>
+									</div>
+									<div className={styles.pillPopoverExpression}>{expression}</div>
+								</div>
+							</TooltipContent>
+						</TooltipRoot>
+					) : (
+						pill
 					)}
+					{highlightErrorsToggle}
+					{statusIndicators}
 				</div>
+			</TooltipProvider>
+		);
+	}
 
-				<div className={styles.highlightControl}>{highlightErrorsToggle}</div>
+	// --- EXPANDED VIEW ---
+	return (
+		<TooltipProvider>
+			<div className={cx(styles.root, styles.isExpanded)}>
+				<ToggleGroup
+					type="single"
+					value={selectedCategory}
+					onChange={(value): void => {
+						if (value) {
+							handleCategoryChange(value as SpanCategory);
+						}
+					}}
+					size="sm"
+				>
+					{categories.map((category) => (
+						<ToggleGroupItem key={category} value={category}>
+							{category}
+						</ToggleGroupItem>
+					))}
+				</ToggleGroup>
+				{/* eslint-disable-next-line jsx-a11y/no-static-element-interactions */}
+				<div
+					className={styles.searchContainer}
+					ref={containerRef}
+					onBlur={(e): void => {
+						if (!containerRef.current?.contains(e.relatedTarget as Node)) {
+							handleBlur();
+						}
+					}}
+				>
+					<QuerySearch
+						queryData={{
+							...BASE_FILTER_QUERY,
+							filters,
+							filter: { expression },
+						}}
+						onChange={handleExpressionChange}
+						onRun={handleRunQuery}
+						dataSource={DataSource.TRACES}
+						placeholder="Enter your filter query (e.g., http.status_code >= 500 AND service.name = 'frontend')"
+					/>
+				</div>
+				{filteredSpanIds.length > 0 && (
+					<div className={styles.preNextToggle}>
+						<Typography.Text className={styles.preNextCount}>
+							{currentSearchedIndex + 1} / {filteredSpanIds.length}
+						</Typography.Text>
+						<Button
+							variant="ghost"
+							size="icon"
+							color="secondary"
+							disabled={currentSearchedIndex === 0}
+							onClick={(): void => {
+								handlePrevNext(currentSearchedIndex - 1);
+								setCurrentSearchedIndex((prev) => prev - 1);
+							}}
+						>
+							<ChevronUp size={14} />
+						</Button>
+						<Button
+							variant="ghost"
+							size="icon"
+							color="secondary"
+							disabled={currentSearchedIndex === filteredSpanIds.length - 1}
+							onClick={(): void => {
+								handlePrevNext(currentSearchedIndex + 1);
+								setCurrentSearchedIndex((prev) => prev + 1);
+							}}
+						>
+							<ChevronDown size={14} />
+						</Button>
+					</div>
+				)}
+				<Button
+					variant="ghost"
+					size="icon"
+					color="secondary"
+					className={styles.collapseBtn}
+					onClick={onCollapse}
+				>
+					<X size={14} />
+				</Button>
+				{highlightErrorsToggle}
+				{statusIndicators}
 			</div>
 		</TooltipProvider>
 	);

frontend/src/pages/TraceDetailsV3/TraceWaterfall/TraceWaterfallStates/Success/Filters/QueryResult.module.scss

@@ -1,32 +0,0 @@
-.resultNavCount {
-	padding: 0 6px;
-	white-space: nowrap;
-	color: var(--l1-foreground);
-	font-family: 'Geist Mono';
-	font-size: 12px;
-}
-
-.resultNavDivider {
-	width: 1px;
-	height: 14px;
-	background: var(--l3-border);
-	margin: 0 4px;
-	flex-shrink: 0;
-}
-
-.filterStatus {
-	display: flex;
-	align-items: center;
-	gap: 6px;
-	flex-shrink: 0;
-	color: var(--l2-foreground);
-	font-family: 'Geist Mono';
-	font-size: 12px;
-	font-weight: 400;
-	line-height: 18px;
-}
-
-.hasError {
-	color: var(--destructive);
-	cursor: help;
-}

frontend/src/pages/TraceDetailsV3/TraceWaterfall/TraceWaterfallStates/Success/Filters/QueryResult.tsx

@@ -1,111 +0,0 @@
-import { ChevronDown, ChevronUp, Info, Loader } from '@signozhq/icons';
-import { Button } from '@signozhq/ui/button';
-import {
-	TooltipContent,
-	TooltipRoot,
-	TooltipTrigger,
-} from '@signozhq/ui/tooltip';
-import { Typography } from '@signozhq/ui/typography';
-import { AxiosError } from 'axios';
-import cx from 'classnames';
-
-import styles from './QueryResult.module.scss';
-
-type QueryResultProps = {
-	hasExpression: boolean;
-	hasResults: boolean;
-	isFetching: boolean;
-	error: unknown;
-	noData: boolean;
-	currentIndex: number;
-	total: number;
-	onPrev: () => void;
-	onNext: () => void;
-	showNavigation?: boolean;
-};
-
-function QueryResult({
-	hasExpression,
-	hasResults,
-	isFetching,
-	error,
-	noData,
-	currentIndex,
-	total,
-	onPrev,
-	onNext,
-	showNavigation = true,
-}: QueryResultProps): JSX.Element | null {
-	if (!hasExpression) {
-		return null;
-	}
-
-	let content: JSX.Element | null = null;
-	if (hasResults && showNavigation) {
-		// Prefer count over loader on refresh so stale results stay visible.
-		content = (
-			<>
-				<Typography.Text className={styles.resultNavCount}>
-					{currentIndex + 1} / {total}
-				</Typography.Text>
-				<Button
-					variant="ghost"
-					size="icon"
-					color="secondary"
-					disabled={currentIndex === 0}
-					onClick={onPrev}
-				>
-					<ChevronUp size={14} />
-				</Button>
-				<Button
-					variant="ghost"
-					size="icon"
-					color="secondary"
-					disabled={currentIndex === total - 1}
-					onClick={onNext}
-				>
-					<ChevronDown size={14} />
-				</Button>
-			</>
-		);
-	} else if (isFetching) {
-		content = <Loader className="animate-spin" />;
-	} else if (error) {
-		content = (
-			<TooltipRoot>
-				<TooltipTrigger asChild>
-					<span className={cx(styles.filterStatus, styles.hasError)}>
-						<Info />
-						API error
-					</span>
-				</TooltipTrigger>
-				<TooltipContent>
-					{(error as AxiosError)?.message || 'Something went wrong'}
-				</TooltipContent>
-			</TooltipRoot>
-		);
-	} else if (noData) {
-		content = (
-			<Typography.Text className={styles.filterStatus}>
-				No results found
-			</Typography.Text>
-		);
-	}
-
-	if (!content) {
-		return null;
-	}
-
-	return (
-		<>
-			{content}
-			{showNavigation && <span className={styles.resultNavDivider} />}
-		</>
-	);
-}
-
-QueryResult.defaultProps = {
-	showNavigation: true,
-};
-
-export default QueryResult;

frontend/src/pages/TracesExplorer/TimeSeriesView/index.tsx

@@ -15,6 +15,7 @@ import TimeSeriesView from 'container/TimeSeriesView/TimeSeriesView';
 import { convertDataValueToMs } from 'container/TimeSeriesView/utils';
 import { useGetQueryRange } from 'hooks/queryBuilder/useGetQueryRange';
 import { useQueryBuilder } from 'hooks/queryBuilder/useQueryBuilder';
+import { useSaveRecentQuery } from 'hooks/recentQueries/useSaveRecentQuery';
 import useUrlYAxisUnit from 'hooks/useUrlYAxisUnit';
 import { AppState } from 'store/reducers';
 import { Warning } from 'types/api';
@@ -94,6 +95,8 @@ function TimeSeriesViewContainer({
 		},
 	);
 
+	useSaveRecentQuery(stagedQuery);
+
 	useEffect(() => {
 		if (data?.payload) {
 			setWarning(data?.warning);

frontend/src/styles.scss

@@ -825,5 +825,4 @@ body.ai-assistant-panel-open {
 // overrides
 :root {
 	--input-focus-outline-width: 0;
-	--radius-2: 4px;
 }

frontend/src/utils/permission/index.ts

@@ -135,5 +135,4 @@ export const routePermission: Record<keyof typeof ROUTES, ROLES[]> = {
 	AI_ASSISTANT: ['ADMIN', 'EDITOR', 'VIEWER'],
 	AI_ASSISTANT_ICON_PREVIEW: ['ADMIN', 'EDITOR', 'VIEWER'],
 	MCP_SERVER: ['ADMIN', 'EDITOR', 'VIEWER'],
-	AI_ASSISTANT_BASE: ['ADMIN', 'EDITOR', 'VIEWER'],
 };

pkg/querier/querier.go

@@ -84,53 +84,244 @@ func New(
 	}
 }
 
+// extractShiftFromBuilderQuery extracts the shift value from timeShift function if present.
+func extractShiftFromBuilderQuery[T any](spec qbtypes.QueryBuilderQuery[T]) int64 {
+	for _, fn := range spec.Functions {
+		if fn.Name == qbtypes.FunctionNameTimeShift && len(fn.Args) > 0 {
+			switch v := fn.Args[0].Value.(type) {
+			case float64:
+				return int64(v)
+			case int64:
+				return v
+			case int:
+				return int64(v)
+			case string:
+				if shiftFloat, err := strconv.ParseFloat(v, 64); err == nil {
+					return int64(shiftFloat)
+				}
+			}
+		}
+	}
+	return 0
+}
+
+// adjustTimeRangeForShift adjusts the time range based on the shift value from timeShift function.
+func adjustTimeRangeForShift[T any](spec qbtypes.QueryBuilderQuery[T], tr qbtypes.TimeRange, kind qbtypes.RequestType) qbtypes.TimeRange {
+	// Only apply time shift for time series and scalar queries
+	// Raw/list queries don't support timeshift
+	if kind != qbtypes.RequestTypeTimeSeries && kind != qbtypes.RequestTypeScalar {
+		return tr
+	}
+
+	// Use the ShiftBy field if it's already populated, otherwise extract it
+	shiftBy := spec.ShiftBy
+	if shiftBy == 0 {
+		shiftBy = extractShiftFromBuilderQuery(spec)
+	}
+
+	if shiftBy == 0 {
+		return tr
+	}
+
+	// ShiftBy is in seconds, convert to milliseconds and shift backward in time
+	shiftMS := shiftBy * 1000
+	return qbtypes.TimeRange{
+		From: tr.From - uint64(shiftMS),
+		To:   tr.To - uint64(shiftMS),
+	}
+}
+
 func (q *querier) QueryRange(ctx context.Context, orgID valuer.UUID, req *qbtypes.QueryRangeRequest) (*qbtypes.QueryRangeResponse, error) {
 
 	tmplVars := req.Variables
 	if tmplVars == nil {
 		tmplVars = make(map[string]qbtypes.VariableItem)
 	}
-
 	event := &qbtypes.QBEvent{
 		Version:         "v5",
 		NumberOfQueries: len(req.CompositeQuery.Queries),
 		PanelType:       req.RequestType.StringValue(),
 	}
-	q.populateQBEvent(event, req.CompositeQuery.Queries)
+	intervalWarnings := []string{}
 
-	// TraceOperatorQuery leverages other queries defined in the rangeRequest
-	// Eg: C := A => B
-	// Need to create dependency map { "A": true, "B": true }
-	dependencyQueries, err := q.constructTraceOperatorDependencyMap(req.CompositeQuery.Queries)
-	if err != nil {
-		return nil, err
+	dependencyQueries := make(map[string]bool)
+	traceOperatorQueries := make(map[string]qbtypes.QueryBuilderTraceOperator)
+
+	for _, query := range req.CompositeQuery.Queries {
+		if query.Type == qbtypes.QueryTypeTraceOperator {
+			if spec, ok := query.Spec.(qbtypes.QueryBuilderTraceOperator); ok {
+				// Parse expression to find dependencies
+				if err := spec.ParseExpression(); err != nil {
+					return nil, err
+				}
+
+				deps := spec.CollectReferencedQueries(spec.ParsedExpression)
+				for _, dep := range deps {
+					dependencyQueries[dep] = true
+				}
+				traceOperatorQueries[spec.Name] = spec
+			}
+		}
 	}
 
-	// Step interval is the aggregation parameter for timeseries requests.
-	// We need to set if it is unspecified or adjust it if value is not within recommended range
-	intervalWarnings := q.adjustStepInterval(req.CompositeQuery.Queries, req.Start, req.End)
+	// First pass: collect all metric names that need temporality
+	metricNames := make([]string, 0)
+	for idx, query := range req.CompositeQuery.Queries {
+		event.QueryType = query.Type.StringValue()
+		switch query.Type {
+		case qbtypes.QueryTypeBuilder:
+			if spec, ok := query.Spec.(qbtypes.QueryBuilderQuery[qbtypes.MetricAggregation]); ok {
+				for _, agg := range spec.Aggregations {
+					if agg.MetricName != "" {
+						metricNames = append(metricNames, agg.MetricName)
+					}
+				}
+			}
+			// if step interval is not set, we set it ourselves with recommended value
+			// if step interval is set to value which could result in points more than
+			// allowed, we override it.
+			switch spec := query.Spec.(type) {
+			case qbtypes.QueryBuilderQuery[qbtypes.TraceAggregation]:
+				event.TracesUsed = true
+				event.FilterApplied = spec.Filter != nil && spec.Filter.Expression != ""
+				event.GroupByApplied = len(spec.GroupBy) > 0
+				if spec.StepInterval.Seconds() == 0 {
+					spec.StepInterval = qbtypes.Step{
+						Duration: time.Second * time.Duration(querybuilder.RecommendedStepInterval(req.Start, req.End)),
+					}
+				}
+				if spec.StepInterval.Seconds() < float64(querybuilder.MinAllowedStepInterval(req.Start, req.End)) {
+					newStep := qbtypes.Step{
+						Duration: time.Second * time.Duration(querybuilder.MinAllowedStepInterval(req.Start, req.End)),
+					}
+					intervalWarnings = append(intervalWarnings, fmt.Sprintf(intervalWarn, spec.Name, spec.StepInterval.Seconds(), newStep.Seconds()))
+					spec.StepInterval = newStep
+				}
+				req.CompositeQuery.Queries[idx].Spec = spec
+			case qbtypes.QueryBuilderQuery[qbtypes.LogAggregation]:
+				event.LogsUsed = true
+				event.FilterApplied = spec.Filter != nil && spec.Filter.Expression != ""
+				event.GroupByApplied = len(spec.GroupBy) > 0
+				if spec.StepInterval.Seconds() == 0 {
+					spec.StepInterval = qbtypes.Step{
+						Duration: time.Second * time.Duration(querybuilder.RecommendedStepInterval(req.Start, req.End)),
+					}
+				}
+				if spec.StepInterval.Seconds() < float64(querybuilder.MinAllowedStepInterval(req.Start, req.End)) {
+					newStep := qbtypes.Step{
+						Duration: time.Second * time.Duration(querybuilder.MinAllowedStepInterval(req.Start, req.End)),
+					}
+					intervalWarnings = append(intervalWarnings, fmt.Sprintf(intervalWarn, spec.Name, spec.StepInterval.Seconds(), newStep.Seconds()))
+					spec.StepInterval = newStep
+				}
+				req.CompositeQuery.Queries[idx].Spec = spec
+			case qbtypes.QueryBuilderQuery[qbtypes.MetricAggregation]:
+				event.MetricsUsed = true
+				event.FilterApplied = spec.Filter != nil && spec.Filter.Expression != ""
+				event.GroupByApplied = len(spec.GroupBy) > 0
+
+				if spec.Source == telemetrytypes.SourceMeter {
+					if spec.StepInterval.Seconds() == 0 {
+						spec.StepInterval = qbtypes.Step{Duration: time.Second * time.Duration(querybuilder.RecommendedStepIntervalForMeter(req.Start, req.End))}
+					}
+
+					if spec.StepInterval.Seconds() < float64(querybuilder.MinAllowedStepIntervalForMeter(req.Start, req.End)) {
+						newStep := qbtypes.Step{
+							Duration: time.Second * time.Duration(querybuilder.MinAllowedStepIntervalForMeter(req.Start, req.End)),
+						}
+						spec.StepInterval = newStep
+					}
+				} else {
+					if spec.StepInterval.Seconds() == 0 {
+						spec.StepInterval = qbtypes.Step{
+							Duration: time.Second * time.Duration(querybuilder.RecommendedStepIntervalForMetric(req.Start, req.End)),
+						}
+					}
+					if spec.StepInterval.Seconds() < float64(querybuilder.MinAllowedStepIntervalForMetric(req.Start, req.End)) {
+						newStep := qbtypes.Step{
+							Duration: time.Second * time.Duration(querybuilder.MinAllowedStepIntervalForMetric(req.Start, req.End)),
+						}
+						intervalWarnings = append(intervalWarnings, fmt.Sprintf(intervalWarn, spec.Name, spec.StepInterval.Seconds(), newStep.Seconds()))
+						spec.StepInterval = newStep
+					}
+				}
+				req.CompositeQuery.Queries[idx].Spec = spec
+			}
+		case qbtypes.QueryTypePromQL:
+			event.MetricsUsed = true
+			switch spec := query.Spec.(type) {
+			case qbtypes.PromQuery:
+				if spec.Step.Seconds() == 0 {
+					spec.Step = qbtypes.Step{
+						Duration: time.Second * time.Duration(querybuilder.RecommendedStepIntervalForMetric(req.Start, req.End)),
+					}
+				}
+				req.CompositeQuery.Queries[idx].Spec = spec
+			}
+		case qbtypes.QueryTypeClickHouseSQL:
+			switch spec := query.Spec.(type) {
+			case qbtypes.ClickHouseQuery:
+				if strings.TrimSpace(spec.Query) != "" {
+					event.MetricsUsed = strings.Contains(spec.Query, "signoz_metrics")
+					event.LogsUsed = strings.Contains(spec.Query, "signoz_logs")
+					event.TracesUsed = strings.Contains(spec.Query, "signoz_traces")
+				}
+			}
+		case qbtypes.QueryTypeTraceOperator:
+			if spec, ok := query.Spec.(qbtypes.QueryBuilderTraceOperator); ok {
+				if spec.StepInterval.Seconds() == 0 {
+					spec.StepInterval = qbtypes.Step{
+						Duration: time.Second * time.Duration(querybuilder.RecommendedStepInterval(req.Start, req.End)),
+					}
+				}
+
+				if spec.StepInterval.Seconds() < float64(querybuilder.MinAllowedStepInterval(req.Start, req.End)) {
+					newStep := qbtypes.Step{
+						Duration: time.Second * time.Duration(querybuilder.MinAllowedStepInterval(req.Start, req.End)),
+					}
+					intervalWarnings = append(intervalWarnings, fmt.Sprintf(intervalWarn, spec.Name, spec.StepInterval.Seconds(), newStep.Seconds()))
+					spec.StepInterval = newStep
+				}
+				req.CompositeQuery.Queries[idx].Spec = spec
+			}
+		}
+	}
 
 	queries := make(map[string]qbtypes.Query)
 	steps := make(map[string]qbtypes.Step)
-
-	// Resolve metric metadata once per request: patches each metric-aggregation
-	// query's spec in place, returns the queries whose every aggregation was
-	// missing (used for preseeded empty results), and any dormant-metric
-	// warning string. NotFound errors for never-seen metrics are propagated.
-	missingMetricQueries, dormantMetricsWarningMsg, err := q.resolveMetricMetadata(ctx, req.CompositeQuery.Queries, req.Start, req.End)
-	if err != nil {
-		return nil, err
-	}
-	missingMetricQuerySet := make(map[string]bool, len(missingMetricQueries))
-	for _, name := range missingMetricQueries {
-		missingMetricQuerySet[name] = true
-	}
+	missingMetrics := []string{}
+	missingMetricQueries := []string{}
 
 	for _, query := range req.CompositeQuery.Queries {
-		queryName := query.GetQueryName()
+		var queryName string
+		var isTraceOperator bool
 
-		// skip if it is dependecy of traceOperatorQuery
-		if query.GetType() != qbtypes.QueryTypeTraceOperator && dependencyQueries[queryName] {
+		switch query.Type {
+		case qbtypes.QueryTypeTraceOperator:
+			if spec, ok := query.Spec.(qbtypes.QueryBuilderTraceOperator); ok {
+				queryName = spec.Name
+				isTraceOperator = true
+			}
+		case qbtypes.QueryTypePromQL:
+			if spec, ok := query.Spec.(qbtypes.PromQuery); ok {
+				queryName = spec.Name
+			}
+		case qbtypes.QueryTypeClickHouseSQL:
+			if spec, ok := query.Spec.(qbtypes.ClickHouseQuery); ok {
+				queryName = spec.Name
+			}
+		case qbtypes.QueryTypeBuilder:
+			switch spec := query.Spec.(type) {
+			case qbtypes.QueryBuilderQuery[qbtypes.TraceAggregation]:
+				queryName = spec.Name
+			case qbtypes.QueryBuilderQuery[qbtypes.LogAggregation]:
+				queryName = spec.Name
+			case qbtypes.QueryBuilderQuery[qbtypes.MetricAggregation]:
+				queryName = spec.Name
+			}
+		}
+
+		if !isTraceOperator && dependencyQueries[queryName] {
 			continue
 		}
 
@@ -185,13 +376,40 @@ func (q *querier) QueryRange(ctx context.Context, orgID valuer.UUID, req *qbtype
 				queries[spec.Name] = bq
 				steps[spec.Name] = spec.StepInterval
 			case qbtypes.QueryBuilderQuery[qbtypes.MetricAggregation]:
-				// Spec was already patched by resolveMetricMetadata. Queries
-				// whose every aggregation was missing live in
-				// missingMetricQuerySet and produce empty preseeded results
-				// rather than running here.
-				if missingMetricQuerySet[spec.Name] {
+				var metricTemporality map[string]metrictypes.Temporality
+				var metricTypes map[string]metrictypes.Type
+				if len(metricNames) > 0 {
+					var err error
+					metricTemporality, metricTypes, err = q.metadataStore.FetchTemporalityAndTypeMulti(ctx, req.Start, req.End, metricNames...)
+					if err != nil {
+						q.logger.WarnContext(ctx, "failed to fetch metric temporality", errors.Attr(err), slog.Any("metrics", metricNames))
+						return nil, errors.NewInternalf(errors.CodeInternal, "failed to fetch metrics temporality")
+					}
+					q.logger.DebugContext(ctx, "fetched metric temporalities and types", slog.Any("metric_temporality", metricTemporality), slog.Any("metric_types", metricTypes))
+				}
+				presentAggregations := []qbtypes.MetricAggregation{}
+				for i := range spec.Aggregations {
+					if spec.Aggregations[i].MetricName != "" && spec.Aggregations[i].Temporality == metrictypes.Unknown {
+						if temp, ok := metricTemporality[spec.Aggregations[i].MetricName]; ok && temp != metrictypes.Unknown {
+							spec.Aggregations[i].Temporality = temp
+						}
+					}
+					if spec.Aggregations[i].MetricName != "" && spec.Aggregations[i].Type == metrictypes.UnspecifiedType {
+						if foundMetricType, ok := metricTypes[spec.Aggregations[i].MetricName]; ok && foundMetricType != metrictypes.UnspecifiedType {
+							spec.Aggregations[i].Type = foundMetricType
+						}
+					}
+					if spec.Aggregations[i].Type == metrictypes.UnspecifiedType {
+						missingMetrics = append(missingMetrics, spec.Aggregations[i].MetricName)
+						continue
+					}
+					presentAggregations = append(presentAggregations, spec.Aggregations[i])
+				}
+				if len(presentAggregations) == 0 {
+					missingMetricQueries = append(missingMetricQueries, spec.Name)
 					continue
 				}
+				spec.Aggregations = presentAggregations
 				spec.ShiftBy = extractShiftFromBuilderQuery(spec)
 				timeRange := adjustTimeRangeForShift(spec, qbtypes.TimeRange{From: req.Start, To: req.End}, req.RequestType)
 				var bq *builderQuery[qbtypes.MetricAggregation]
@@ -210,6 +428,38 @@ func (q *querier) QueryRange(ctx context.Context, orgID valuer.UUID, req *qbtype
 			}
 		}
 	}
+	nonExistentMetrics := []string{}
+	var dormantMetricsWarningMsg string
+	if len(missingMetrics) > 0 {
+		lastSeenInfo, _ := q.metadataStore.FetchLastSeenInfoMulti(ctx, missingMetrics...)
+		for _, missingMetricName := range missingMetrics {
+			if ts, ok := lastSeenInfo[missingMetricName]; ok && ts > 0 {
+				continue
+			}
+			nonExistentMetrics = append(nonExistentMetrics, missingMetricName)
+		}
+		if len(nonExistentMetrics) == 1 {
+			return nil, errors.NewNotFoundf(errors.CodeNotFound, "could not find the metric %s", nonExistentMetrics[0])
+		} else if len(nonExistentMetrics) > 1 {
+			return nil, errors.NewNotFoundf(errors.CodeNotFound, "the following metrics were not found: %s", strings.Join(nonExistentMetrics, ", "))
+		}
+		lastSeenStr := func(name string) string {
+			if ts, ok := lastSeenInfo[name]; ok && ts > 0 {
+				ago := humanize.RelTime(time.UnixMilli(ts), time.Now(), "ago", "from now")
+				return fmt.Sprintf("%s (last seen %s)", name, ago)
+			}
+			return name // this case won't come cuz lastSeenStr is never called for metrics in nonExistentMetrics
+		}
+		if len(missingMetrics) == 1 {
+			dormantMetricsWarningMsg = fmt.Sprintf("no data found for the metric %s in the query time range", lastSeenStr(missingMetrics[0]))
+		} else {
+			parts := make([]string, len(missingMetrics))
+			for i, m := range missingMetrics {
+				parts[i] = lastSeenStr(m)
+			}
+			dormantMetricsWarningMsg = fmt.Sprintf("no data found for the following metrics in the query time range: %s", strings.Join(parts, ", "))
+		}
+	}
 	preseededResults := make(map[string]any)
 	for _, name := range missingMetricQueries { // at this point missing metrics will not have any non existent metrics, only normal ones
 		switch req.RequestType {
@@ -246,166 +496,6 @@ func (q *querier) QueryRange(ctx context.Context, orgID valuer.UUID, req *qbtype
 	return qbResp, qbErr
 }
 
-func (q *querier) populateQBEvent(event *qbtypes.QBEvent, queries []qbtypes.QueryEnvelope) {
-	for _, query := range queries {
-		// BUG: QueryType doesn't make sense as range_request can have multiple query types.
-		event.QueryType = query.Type.StringValue()
-
-		switch query.Type {
-		case qbtypes.QueryTypeBuilder:
-			filter := query.GetFilter()
-			event.FilterApplied = event.FilterApplied || (filter != nil && filter.Expression != "")
-			event.GroupByApplied = event.GroupByApplied || len(query.GetGroupBy()) > 0
-			switch query.Spec.(type) {
-			case qbtypes.QueryBuilderQuery[qbtypes.TraceAggregation]:
-				event.TracesUsed = true
-			case qbtypes.QueryBuilderQuery[qbtypes.LogAggregation]:
-				event.LogsUsed = true
-			case qbtypes.QueryBuilderQuery[qbtypes.MetricAggregation]:
-				event.MetricsUsed = true
-			}
-		case qbtypes.QueryTypePromQL:
-			event.MetricsUsed = true
-		case qbtypes.QueryTypeTraceOperator:
-			event.TracesUsed = true
-		case qbtypes.QueryTypeClickHouseSQL:
-			sql := query.GetQuery()
-			if strings.TrimSpace(sql) != "" {
-				event.MetricsUsed = strings.Contains(sql, "signoz_metrics")
-				event.LogsUsed = strings.Contains(sql, "signoz_logs")
-				event.TracesUsed = strings.Contains(sql, "signoz_traces")
-			}
-		}
-	}
-}
-
-// resolveMetricMetadata fetches metadata for every metric referenced by builder
-// metric-aggregation queries, patches each query's aggregations in place with
-// the resolved values, and classifies any metric that could not be resolved.
-//
-// Side effects on queries:
-//   - Aggregations with Unknown Temporality / UnspecifiedType are filled in from
-//     the metadata store.
-//   - Aggregations whose Type is still UnspecifiedType after the patch are
-//     dropped from the spec.
-//   - Queries whose entire aggregation list was dropped are NOT patched and are
-//     surfaced via the returned missingMetricQueries; the caller should skip
-//     them.
-//
-// Returns:
-//   - missingMetricQueries: names of queries whose every aggregation was
-//     missing. Used downstream to preseed empty result placeholders so the
-//     response still has an entry per requested query name.
-//   - dormantWarning: a human-readable warning describing metrics that exist in
-//     the store but produced no data within the query window. Empty when no
-//     such metrics are present.
-//   - err: NotFound when one or more referenced metrics have never been seen,
-//     or Internal when a metadata fetch fails.
-func (q *querier) resolveMetricMetadata(ctx context.Context, queries []qbtypes.QueryEnvelope, start, end uint64) (missingMetricQueries []string, dormantWarning string, err error) {
-	metricNames := make([]string, 0)
-	for idx := range queries {
-		if queries[idx].Type != qbtypes.QueryTypeBuilder {
-			continue
-		}
-		spec, ok := queries[idx].Spec.(qbtypes.QueryBuilderQuery[qbtypes.MetricAggregation])
-		if !ok {
-			continue
-		}
-		for _, agg := range spec.Aggregations {
-			if agg.MetricName != "" {
-				metricNames = append(metricNames, agg.MetricName)
-			}
-		}
-	}
-
-	if len(metricNames) == 0 {
-		return nil, "", nil
-	}
-
-	metricTemporality, metricTypes, err := q.metadataStore.FetchTemporalityAndTypeMulti(ctx, start, end, metricNames...)
-	if err != nil {
-		q.logger.WarnContext(ctx, "failed to fetch metric temporality", errors.Attr(err), slog.Any("metrics", metricNames))
-		return nil, "", errors.NewInternalf(errors.CodeInternal, "failed to fetch metrics temporality")
-	}
-	q.logger.DebugContext(ctx, "fetched metric temporalities and types", slog.Any("metric_temporality", metricTemporality), slog.Any("metric_types", metricTypes))
-
-	missingMetrics := []string{}
-	for idx := range queries {
-		if queries[idx].Type != qbtypes.QueryTypeBuilder {
-			continue
-		}
-		spec, ok := queries[idx].Spec.(qbtypes.QueryBuilderQuery[qbtypes.MetricAggregation])
-		if !ok {
-			continue
-		}
-
-		presentAggregations := make([]qbtypes.MetricAggregation, 0, len(spec.Aggregations))
-		for i := range spec.Aggregations {
-			if spec.Aggregations[i].MetricName != "" && spec.Aggregations[i].Temporality == metrictypes.Unknown {
-				if temp, ok := metricTemporality[spec.Aggregations[i].MetricName]; ok && temp != metrictypes.Unknown {
-					spec.Aggregations[i].Temporality = temp
-				}
-			}
-			if spec.Aggregations[i].MetricName != "" && spec.Aggregations[i].Type == metrictypes.UnspecifiedType {
-				if foundMetricType, ok := metricTypes[spec.Aggregations[i].MetricName]; ok && foundMetricType != metrictypes.UnspecifiedType {
-					spec.Aggregations[i].Type = foundMetricType
-				}
-			}
-			if spec.Aggregations[i].Type == metrictypes.UnspecifiedType {
-				missingMetrics = append(missingMetrics, spec.Aggregations[i].MetricName)
-				continue
-			}
-			presentAggregations = append(presentAggregations, spec.Aggregations[i])
-		}
-		if len(presentAggregations) == 0 {
-			missingMetricQueries = append(missingMetricQueries, spec.Name)
-			continue
-		}
-		spec.Aggregations = presentAggregations
-		queries[idx].Spec = spec
-	}
-
-	if len(missingMetrics) == 0 {
-		return missingMetricQueries, "", nil
-	}
-
-	// Classify each missing metric: never-seen → NotFound error; seen-but-no-
-	// data-in-window → dormant warning.
-	lastSeenInfo, _ := q.metadataStore.FetchLastSeenInfoMulti(ctx, missingMetrics...)
-	nonExistentMetrics := []string{}
-	for _, name := range missingMetrics {
-		if ts, ok := lastSeenInfo[name]; ok && ts > 0 {
-			continue
-		}
-		nonExistentMetrics = append(nonExistentMetrics, name)
-	}
-	if len(nonExistentMetrics) == 1 {
-		return nil, "", errors.NewNotFoundf(errors.CodeNotFound, "could not find the metric %s", nonExistentMetrics[0])
-	}
-	if len(nonExistentMetrics) > 1 {
-		return nil, "", errors.NewNotFoundf(errors.CodeNotFound, "the following metrics were not found: %s", strings.Join(nonExistentMetrics, ", "))
-	}
-
-	// All missing metrics are dormant — assemble the warning string.
-	lastSeenStr := func(name string) string {
-		if ts, ok := lastSeenInfo[name]; ok && ts > 0 {
-			ago := humanize.RelTime(time.UnixMilli(ts), time.Now(), "ago", "from now")
-			return fmt.Sprintf("%s (last seen %s)", name, ago)
-		}
-		return name
-	}
-	if len(missingMetrics) == 1 {
-		dormantWarning = fmt.Sprintf("no data found for the metric %s in the query time range", lastSeenStr(missingMetrics[0]))
-	} else {
-		parts := make([]string, len(missingMetrics))
-		for i, m := range missingMetrics {
-			parts[i] = lastSeenStr(m)
-		}
-		dormantWarning = fmt.Sprintf("no data found for the following metrics in the query time range: %s", strings.Join(parts, ", "))
-	}
-	return missingMetricQueries, dormantWarning, nil
-}
-
 func (q *querier) QueryRawStream(ctx context.Context, orgID valuer.UUID, req *qbtypes.QueryRangeRequest, client *qbtypes.RawStream) {
 
 	event := &qbtypes.QBEvent{
@@ -1003,129 +1093,3 @@ func (q *querier) mergeTimeSeriesResults(cachedValue *qbtypes.TimeSeriesData, fr
 
 	return result
 }
-
-func secondsStep(s uint64) qbtypes.Step {
-	return qbtypes.Step{Duration: time.Second * time.Duration(s)}
-}
-
-// clampStep sets the step to recommended when zero and clamps to min when below it.
-// When clamped and warn is true, a warning is appended for the user.
-func clampStep(qe *qbtypes.QueryEnvelope, recommended, min uint64, warnings *[]string) {
-	step := qe.GetStepInterval()
-	if step.Seconds() == 0 {
-		step = secondsStep(recommended)
-		qe.SetStepInterval(step)
-	}
-	if step.Seconds() < float64(min) {
-		newStep := secondsStep(min)
-		*warnings = append(*warnings, fmt.Sprintf(intervalWarn, qe.GetQueryName(), step.Seconds(), newStep.Seconds()))
-		qe.SetStepInterval(newStep)
-	}
-}
-
-// extractShiftFromBuilderQuery extracts the shift value from timeShift function if present.
-func extractShiftFromBuilderQuery[T any](spec qbtypes.QueryBuilderQuery[T]) int64 {
-	for _, fn := range spec.Functions {
-		if fn.Name == qbtypes.FunctionNameTimeShift && len(fn.Args) > 0 {
-			switch v := fn.Args[0].Value.(type) {
-			case float64:
-				return int64(v)
-			case int64:
-				return v
-			case int:
-				return int64(v)
-			case string:
-				if shiftFloat, err := strconv.ParseFloat(v, 64); err == nil {
-					return int64(shiftFloat)
-				}
-			}
-		}
-	}
-	return 0
-}
-
-// adjustTimeRangeForShift adjusts the time range based on the shift value from timeShift function.
-func adjustTimeRangeForShift[T any](spec qbtypes.QueryBuilderQuery[T], tr qbtypes.TimeRange, kind qbtypes.RequestType) qbtypes.TimeRange {
-	// Only apply time shift for time series and scalar queries
-	// Raw/list queries don't support timeshift
-	if kind != qbtypes.RequestTypeTimeSeries && kind != qbtypes.RequestTypeScalar {
-		return tr
-	}
-
-	// Use the ShiftBy field if it's already populated, otherwise extract it
-	shiftBy := spec.ShiftBy
-	if shiftBy == 0 {
-		shiftBy = extractShiftFromBuilderQuery(spec)
-	}
-
-	if shiftBy == 0 {
-		return tr
-	}
-
-	// ShiftBy is in seconds, convert to milliseconds and shift backward in time
-	shiftMS := shiftBy * 1000
-	return qbtypes.TimeRange{
-		From: tr.From - uint64(shiftMS),
-		To:   tr.To - uint64(shiftMS),
-	}
-}
-
-func (q *querier) constructTraceOperatorDependencyMap(queries []qbtypes.QueryEnvelope) (map[string]bool, error) {
-	dependencyQueries := make(map[string]bool)
-
-	for _, query := range queries {
-		if query.Type == qbtypes.QueryTypeTraceOperator {
-			if spec, ok := query.Spec.(qbtypes.QueryBuilderTraceOperator); ok {
-				// Parse expression to find dependencies
-				if err := spec.ParseExpression(); err != nil {
-					return nil, err
-				}
-
-				deps := spec.CollectReferencedQueries(spec.ParsedExpression)
-				for _, dep := range deps {
-					dependencyQueries[dep] = true
-				}
-			}
-		}
-	}
-
-	return dependencyQueries, nil
-}
-
-// adjustStepInterval normalizes each query's step interval in place and returns
-// any clamp warnings emitted along the way.
-func (q *querier) adjustStepInterval(queries []qbtypes.QueryEnvelope, start, end uint64) []string {
-	// Compute the per-signal bounds once per call — they only depend on start/end.
-	traceLogRecommended := querybuilder.RecommendedStepInterval(start, end)
-	traceLogMin := querybuilder.MinAllowedStepInterval(start, end)
-	meterRecommended := querybuilder.RecommendedStepIntervalForMeter(start, end)
-	meterMin := querybuilder.MinAllowedStepIntervalForMeter(start, end)
-	metricRecommended := querybuilder.RecommendedStepIntervalForMetric(start, end)
-	metricMin := querybuilder.MinAllowedStepIntervalForMetric(start, end)
-
-	warnings := make([]string, 0)
-	for idx := range queries {
-		qe := &queries[idx]
-		switch qe.Type {
-		case qbtypes.QueryTypeBuilder:
-			switch qe.Spec.(type) {
-			case qbtypes.QueryBuilderQuery[qbtypes.TraceAggregation], qbtypes.QueryBuilderQuery[qbtypes.LogAggregation]:
-				clampStep(qe, traceLogRecommended, traceLogMin, &warnings)
-			case qbtypes.QueryBuilderQuery[qbtypes.MetricAggregation]:
-				if qe.GetSource() == telemetrytypes.SourceMeter {
-					clampStep(qe, meterRecommended, meterMin, &warnings)
-				} else {
-					clampStep(qe, metricRecommended, metricMin, &warnings)
-				}
-			}
-		case qbtypes.QueryTypePromQL:
-			// PromQL only fills an unset step — no min clamp.
-			if qe.GetStepInterval().Seconds() == 0 {
-				qe.SetStepInterval(secondsStep(metricRecommended))
-			}
-		case qbtypes.QueryTypeTraceOperator:
-			clampStep(qe, traceLogRecommended, traceLogMin, &warnings)
-		}
-	}
-	return warnings
-}