Add Prometheus metrics for HTTP, votes, cache, and WebSocket#6
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Add Prometheus metrics for HTTP, votes, cache, and WebSocket#6
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Instrument the application with Prometheus metrics covering HTTP request duration/count, vote pipeline throughput and latency, config cache hit rates, and WebSocket connection tracking. Exposes a /metrics endpoint with standard go_* and process_* collectors alongside chatpulse_* metrics. Expands ProcessMessage to return VoteTarget for per-direction vote counting.
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Summary
internal/adapter/metrics/package with Prometheus metrics for HTTP requests, vote pipeline, config cache, and WebSocket connections/metricsendpoint withchatpulse_*,go_*, andprocess_*collectorsProcessMessagereturn signature to includeVoteTargetfor per-direction vote countingprometheus/client_golangfrom indirect to direct dependencyMetrics
chatpulse_http_request_duration_secondschatpulse_http_requests_totalchatpulse_http_in_flight_requestschatpulse_votes_processed_totalchatpulse_votes_processing_duration_secondschatpulse_votes_by_target_totalchatpulse_config_cache_hits_totalchatpulse_config_cache_misses_totalchatpulse_config_cache_invalidations_totalchatpulse_websocket_active_connectionschatpulse_websocket_messages_published_totalTest plan
make buildcompiles cleanlymake test-short— all unit tests pass (nil metrics in existing tests)make lint— no violationsmake run+curl localhost:8080/metricsreturns Prometheus text formatmake test— full integration tests pass🤖 Generated with Claude Code