Dayuan Jiang ed29e32ba3 feat: restore Langfuse observability integration (#103) ...

- Add lib/langfuse.ts with client, trace input/output, telemetry config
- Add instrumentation.ts for OpenTelemetry setup with Langfuse span processor
- Add /api/log-save endpoint for logging diagram saves
- Add /api/log-feedback endpoint for thumbs up/down feedback
- Update chat route with sessionId tracking and telemetry
- Add feedback buttons (thumbs up/down) to chat messages
- Add sessionId tracking throughout the app
- Update env.example with Langfuse configuration
- Add @langfuse/client, @langfuse/otel, @langfuse/tracing, @opentelemetry/sdk-trace-node

2025-12-05 21:15:02 +09:00

..

ai-providers.ts

fix: use credential provider chain for bedrock IAM role support

2025-12-05 09:19:26 +09:00

cached-responses.ts

refactor: extract system prompts and add extended prompt for Opus/Haiku 4.5 (#71)

2025-12-04 13:26:06 +09:00

langfuse.ts

feat: restore Langfuse observability integration (#103)

2025-12-05 21:15:02 +09:00

system-prompts.ts

refactor: extract system prompts and add extended prompt for Opus/Haiku 4.5 (#71)

2025-12-04 13:26:06 +09:00

utils.ts

feat: link user feedback and diagram saves to chat traces in Langfuse

2025-12-04 22:56:59 +09:00