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Posthog monitoring (next commit) reports the same normalized paths as the prometheus metrics.
Enabled by POSTHOG_API_KEY (and optional POSTHOG_HOST). Captures an api_request event per request with normalized path, method, status and duration. Uses anonymous events (no person profiles) and normalized paths only, keeping queried postcodes out of analytics and event cardinality low. Client errors are swallowed so telemetry never surfaces in API responses; SIGTERM flushes buffered events.
Verifies no client is created without an API key, event shape and path normalisation with one, and shutdown flushing.
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Summary
POSTHOG_API_KEY(and optionalPOSTHOG_HOST); disabled entirely when unset, mirroring the optional Prometheus setupapi_requestevent per request with normalized path (e.g./postcodes/:postcode), method, status and duration - reuses the PrometheusnormalizePathso raw URLs (queried postcodes) stay out of analytics and event cardinality stays lowTest plan
pnpm test test/posthog.integration.ts- covers no-op without key, client construction, event shape, path normalisation and shutdown flushpnpm buildPOSTHOG_API_KEY+POSTHOG_HOST, start the server, hit/postcodes/fooand confirm anapi_requestevent arrives in PostHogNeed help on this PR? Tag
@codesmith-botwith what you need. Autofix is disabled.