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## Summary Adds the semantic-convention evolution foundation: - vendors the OpenTelemetry schema and SigNoz overlay - generates Go and TypeScript family tables deterministically - exposes the Go resolver API for family members, current names, and historical names - adds generation checks and unit tests Related to #6143. ## Stack 1. #12441 — Foundations (base: main) 2. #12442 — Phase 1 query (base: #12441) 3. #12443 — Phase 1 services (base: #12442) 4. #12444 — Phase 1 closure gate (base: #12443) 5. #12445 — Phase 2 signals (base: #12444) 6. #12446 — Phase 3 migration UX (base: #12445) 7. #12447 — Phase 4 rollout (base: #12446) **Current layer:** #12441 ## Testing - `go test ./scripts/semconv` - `go test ./pkg/types/telemetrytypes/semconv` - `make semconv-check` ## Risk and rollback This layer is additive apart from CI generation checks. Roll back by reverting this PR; no stored telemetry is changed.
SigNoz Frontend
React-based web interface for SigNoz, the open-source observability platform.
Tech Stack
- Framework: React 18 + TypeScript
- Build: Vite
- State: React Query, Zustand, Redux Toolkit (legacy)
- Styling: CSS Modules, Ant Design (legacy)
- Charts: uPlot
- Testing: Jest
Local Development Setup
-
Run SigNoz backend locally — see Self-Host Docs
-
Configure environment:
cp example.env .envKey variables in
.env:# Backend API endpoint (required) VITE_FRONTEND_API_ENDPOINT="http://localhost:8080" # Enable bundle analyzer (optional) BUNDLE_ANALYSER="true" -
Install and run:
pnpm install pnpm dev
Development
pnpm dev
Opens http://localhost:3301.
Build
pnpm build
Output in build/ folder.
Bundle Size Analysis
Set in .env:
BUNDLE_ANALYSER="true"
Then run build:
pnpm build
Opens bundle analyzer visualization automatically.
Testing
# Unit tests
pnpm test
# Type checking
pnpm tsgo --noEmit
Linting
# Run all linters (oxlint + stylelint)
pnpm lint
Project Structure
src/
├── api/ # API clients and react-query hooks
├── components/ # Shared UI components
├── container/ # Page-level containers
├── hooks/ # Custom React hooks
├── pages/ # Route pages
├── providers/ # React context providers
├── store/ # Redux store
└── types/ # TypeScript definitions
Contributing
See CONTRIBUTING.md in the root repo.
Questions? Join our Slack community.