ZhenYi
94825316dc
fix(agent): extract JSON from model output even with leading text prefix
...
ReAct loop was terminating early when the model returned:
[Agent ran through N steps...]
{"thought": "...", "action": {...}}
The extract_json function only checked the string start or code fences.
Now scans for { or [ at non-word positions and uses depth-counting
to strip trailing text, allowing JSON buried anywhere in the response.
2026-04-24 13:17:06 +08:00
ZhenYi
962bf0312d
feat(observability): Phase 6 OTLP tracing + Prometheus metrics endpoint
...
OTLP tracing:
- libs/observability/otlp.rs: SdkTracerProvider via HTTP/proto OTLP exporter
- libs/observability/tracing_middleware.rs: Actix-web span with trace_id propagation
- libs/observability/tracing_fmt.rs: JSON fmt + registry.try_init for layered init
- libs/rpc: gRPC method spans via info_span
- libs/agent, libs/room, libs/service, libs/api: structured tracing throughout
Prometheus metrics:
- libs/observability/prometheus_exporter.rs: /metrics HTTP handler + metrics crate
- libs/observability/metrics_middleware.rs: HttpMetrics middleware + AtomicU64
- libs/observability/redis_metrics.rs: Redis counter poller via RedisMetrics
- libs/room/metrics.rs: RoomMetrics (connections, messages, presence counters)
Config env vars: APP_OTEL_ENABLED, APP_OTEL_ENDPOINT, APP_OTEL_SERVICE_NAME
2026-04-22 10:27:54 +08:00
