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Marc-André Bombeck 868dfb72bd feat(measurements): add per-bucket heart-rate min/max to the hourly contract

The v1.19.0 hourly heart-rate bucket
(`stats:HKQuantityTypeIdentifierHeartRate:<UTC-hour>`) shipped avg-only:
one PULSE row carrying the hour's mean bpm. Add the hour's min/max so a
client can render the intra-hour range without re-uploading raw samples.

- Two nullable columns on `measurements` (`value_min` / `value_max`),
  migration 0188. Set only on a well-formed hourly HR bucket row; null for
  per-sample readings, per-day cumulative totals, and manual entries.
- Batch ingest threads the spread through the same unit conversion as the
  average and persists / overwrites it alongside `value` on the bucket
  row, pinning it null everywhere else.
- The series reader returns the spread for `kind=pulse` (null on a
  per-sample PULSE row); the OpenAPI Zod contract documents both fields on
  the batch entry and the series point. The avg path is unchanged.

2026-06-21 21:06:09 +02:00

migrations

feat(measurements): add per-bucket heart-rate min/max to the hourly contract

2026-06-21 21:06:09 +02:00

README.md

docs: add navigational READMEs to key code directories

2026-06-05 15:26:34 +02:00

schema.prisma

feat(measurements): add per-bucket heart-rate min/max to the hourly contract

2026-06-21 21:06:09 +02:00

README.md

`prisma/`

The database layer. HealthLog runs PostgreSQL 16 via Prisma 7. This directory holds the single schema file and the forward-only migration history; the generated client is emitted elsewhere.

schema.prisma — 61 models, one file. cuid() primary keys, snake_case columns via @map(...), encrypted columns mostly suffixed *Encrypted (search the file; there are 24 encrypted column references). The generator client block emits to ../src/generated/prisma (imported as @/generated/prisma).
migrations/ — numbered, forward-only SQL migrations (0001_… upward). migration_lock.toml pins the provider to postgresql.

Migration workflow

# author a migration from a schema edit
pnpm dlx prisma migrate dev --name <short_snake_case_name>

# regenerate the client after any schema change
pnpm dlx prisma generate

Number a new migration with the next free prefix. The production entrypoint runs prisma migrate deploy on boot, so every migration must apply cleanly forward — there is no down-migration path. Always include the migration file in the same change as the schema edit.

Conventions

Encryption is fail-closed: *Encrypted columns are written through @/lib/crypto (AES-256-GCM, versioned key ids); never store plaintext in an encrypted column. Key rotation is scripts/rotate-encryption-key.ts + docs/ops/encryption-key-rotation.md.
The generated client under src/generated/prisma is build output — do not edit it.
Schema-touching changes that affect the API surface must regenerate docs/api/openapi.yaml (see ../CLAUDE.md).

Related: ../src/lib/README.md (db.ts, rollups/), ../docs/ops/ (migrations + backup runbooks).

README.md

prisma/

Contents

Migration workflow

Conventions

`prisma/`