Files
mercadodevida/work/artifacts/F-004/reviewer.json
rikrdo 4851692031 feat(F-004): typed fail-fast config and feature flag module
- loadConfig: pure over env object, accumulates all problems, names var names only
- DATABASE_URL now required at startup; PORT/HOST/LOG_LEVEL/NODE_ENV/REDIS_URL defaulted
- flags module behind FeatureFlagProvider; unknown flags OFF; runtime setEnabled (no redeploy)
- buildApp decorates app.flags; server.ts fail-fast before app boot
- tests caught and fixed flag-store case-normalization bug before gates
- zero new dependencies; all gates approved; verify.sh green
2026-08-14 22:29:18 +02:00

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{
"feature_id": "F-004",
"agent": "reviewer",
"verdict": "APPROVED",
"summary": "Typed config + feature flags match specs/F-004 DESIGN.md. Loader is pure and fail-fast, flags module is boundary-clean behind an interface, activation is decoupled from deployment. No regressions.",
"checks": {
"design_conformance": "PASS: loadConfig pure over env object (no process.env reads), ConfigError accumulates all problems, FLAG_* parsed into a record handed to the store at composition time",
"boundary_rules": "PASS: lint:boundaries clean over 22 files; flags module imports only its own subtree (vitest in tests only); flags never imports config (inversion upheld)",
"fail_safe_defaults": "PASS: unknown flag -> OFF; missing optional vars -> sane defaults; missing DATABASE_URL -> startup aborts before app is built",
"test_coverage": "PASS: 15 new tests map to specs/F-004 TESTS.md incl. multi-problem aggregation and secret non-leakage; composition test proves runtime flip without redeploy",
"regression": "PASS: unit 38 passed | 6 skipped; F-002 integration 6 passed; /health unaffected"
},
"findings": [
{
"severity": "info",
"note": "Flags are in-memory only; restart reseeds from env. Documented as expected for this ticket; persistence is a later concern if ever needed."
}
],
"evidence": [
"npm run lint / typecheck / lint:boundaries (22 files) / test / test:integration -> all green",
"grep: flags module has no imports outside its subtree; config.ts has no process.env read",
"live smoke at build stage: missing DATABASE_URL -> exit 1 with clear message; valid env -> listening + health 200",
"files reviewed: src/infrastructure/config/**, src/modules/flags/**, src/app/build-app.ts, src/infrastructure/http/server.ts, src/app/tests/config-flags.test.ts"
],
"timestamp": "2026-08-14T20:24:00Z"
}