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Platform-wide hardening: the failure classes found live this week hunted down across every integration. Fitbit carried the same tombstone wedge fixed for Google — probe now matches soft-deleted rows and the update resurrects them; the comment describing a partial unique index that never existed is corrected. Sleep segment ids are stable across re-scoring for Withings (session+segment-start), WHOOP/Polar (one segment per stage, no positional index) and Oura (run-start keyed), each with a session-scoped sweep that soft-deletes rows a re-score orphaned — so legacy and affected nights heal as they are re-read. One platform rule for deleted rows: source-owned readings resurrect on re-import (Withings, WHOOP, Oura, Polar, Nightscout, mood webhook, CSV re-imports, Apple stats day-totals); Apple sample-grain deletions stick per the paired-client contract, and the mood bulk route's tombstone match is now a true no-op reported as duplicate. Import counts reconcile against actual createMany counts. Google lifecycle: a dead token registers on the cycle's hard-fail ledger, so an expired connection parks instead of stamping success hourly; backfill and sleep-repair markers stamp only after a clean pass (pg-boss retries are now real); failed measurement writes hold the watermark; no-op updates are skipped; mapping.md tells the current truth. Scale: doctor-report reads only consumed columns and enabled sections; exports and backups keyset-paginate; achievements tally via SQL buckets; series charts day-bucket dense kinds beyond 90 days; BP pairing is a linear two-pointer; distinct-type scans run server-side; the graded-series cold fallback is bounded; the fitbit defer tracker loops instead of spreading.
HealthLog API Spec
openapi.yaml is the canonical OpenAPI 3.1 description for the HealthLog
Next.js API. It is the source of truth for the native iOS client's
DTO codegen.
The MCP server is documented separately — it is a distinct contract over JSON-RPC, not part of the REST OpenAPI spec:
mcp-capabilities.md— the tool, resource, and prompt catalogue, the grounding contract, and the write model.mcp-skills.md— building a connector or skill on top of it.../self-hosting/mcp.md— enabling and connecting the surface (operator guide).
Preview locally
Open an interactive Redoc preview in your browser:
npx @redocly/cli preview docs/api/openapi.yaml
Generate static HTML for sharing:
npx @redocly/cli build-docs docs/api/openapi.yaml --output docs/api/index.html
Validate
npx @redocly/cli lint docs/api/openapi.yaml
The spec is expected to be lint-clean (errors = 0). Some warnings are intentional:
no-server-example.com—http://localhost:3000is the dev server.operation-2xx-response/operation-4xx-response— webhook + redirect endpoints intentionally omit one or the other.no-unused-components—ReminderPhaseis exposed for client codegen even though no path response references it directly.
Layout
info— title, version (mirrored frompackage.json), description.servers— productionhttps://healthlog.bombeck.ioplushttp://localhost:3000for local development.tags— domain groupings (Auth,Measurements,Medications,Mood,Dashboard,Insights,Achievements,DoctorReport,Integrations,User,Tokens,Notifications,Onboarding,Health,Settings,Analytics,Export,AuditLog,Monitoring,Webhooks,Ingest,Admin).securitySchemes:bearerAuth— long-livedhlk_*API tokens issued viaPOST /api/tokens. Required on/api/ingest/medication.sessionCookie— HttpOnlyhealthlog_sessioncookie set by the password and passkey login flows. Used by the web app and any iOS client running inside a web view.
components.schemas— DTOs for all routes plus the underlying Prisma models (e.g.Measurement,Medication,MedicationIntakeEvent,MoodEntry,User,DashboardLayout,ApiEnvelope,ApiError).paths— all routes fromsrc/app/api/**/route.ts, including the/api/admin/*family which is taggedAdminand marked internal.
Conventions
- Successful responses use the envelope
{ data, error: null }. - Error responses use the envelope
{ data: null, error: '<message>' }. - Pagination uses
limit+offsetquery parameters and ameta: { total, limit, offset }block on the response. - All timestamps are ISO 8601 / RFC 3339 (
format: date-time) in UTC. - IDs are CUIDs (opaque strings).
Updating the spec
When adding or changing routes:
- Update the relevant route handler under
src/app/api/**/route.ts. - Mirror the change in
openapi.yaml. KeepoperationIdcamelCase and stable — the iOS codegen keys off it. - Run
npx @redocly/cli lint docs/api/openapi.yamland resolve all errors. Warnings are tolerated when documented above. - Bump
info.versionif the change is breaking for clients.