feat: indexer feature flag startup check, readiness latency, route-safe error mapping#259
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Chucks1093 merged 1 commit intoApr 28, 2026
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…fe error mapping - Add shared mapUnknownRouteError helper for the global error-middleware fallback path, embedding the request id for log correlation and hiding internals in production. Known-error branches (Zod, JWT, Prisma, ApiError, payload-too-large, malformed JSON) are unchanged. - Surface a top-level latencyMs field on GET /api/v1/health/ready measuring the total readiness probe duration. Per-check latency is preserved. - Introduce ENABLE_INDEXER_DEDUPE, ENABLE_INDEXER_DLQ and ENABLE_INDEXER_CURSOR_STALENESS_WARNING flags plus a centralized startup validator that aggregates every cross-field invariant breach into one actionable error and exits with code 1 on misconfiguration. - Add Jest tests for each helper and short docs covering the new envelope, the readiness metadata field and the indexer flag matrix.
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Summary
Bundles three small, scoped server changes from the Stellar Wave queue:
Adds
mapUnknownRouteError()insrc/utils/route-error.utils.tsand wires it into the global error middleware fallback path. The helper embeds theX-Request-IDfor log correlation and hides internals (message/stack/raw error) in production. Existing dedicated branches for Zod, JWT, Prisma,ApiError, payload-too-large and malformed JSON are unchanged.GET /api/v1/health/readynow returns a top-levellatencyMsfield measuring the total readiness probe duration. Per-checklatencyMsis preserved. Payload remains public-safe.Adds
ENABLE_INDEXER_DEDUPE,ENABLE_INDEXER_DLQ,ENABLE_INDEXER_CURSOR_STALENESS_WARNINGenv flags and a centralized validator (runIndexerFeatureFlagsStartupCheck) called fromserver.tsbefore DB connect. Cross-field invariants (e.g. DLQ requires dedupe; staleness flag requires a sane threshold) are aggregated into a single actionable error and the process exits 1 on misconfiguration.Tests
route-error.utils.test.ts,health.controllers.test.tsandindexer-flags-startup-check.utils.test.ts— all green.tsc --noEmitclean. ESLint clean on changed files.Test plan
pnpm exec jest src/utils/route-error.utils.test.ts src/modules/health/health.controllers.test.ts src/utils/indexer-flags-startup-check.utils.test.tspassespnpm exec tsc --noEmitis cleancurl localhost:3000/api/v1/health/readyincludes a numeric top-levellatencyMsENABLE_INDEXER_DLQ=true ENABLE_INDEXER_DEDUPE=false pnpm devrefuses to start with a logged issues listCloses
closes #245
closes #242
closes #213