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Marc-André Bombeck 6f673a7b84 feat(ai): resolve an AI usage level per record and publish it as ai.usage

Three levels (frugal, standard, full) with an operator ceiling and default
and a per-account choice within them, resolved in the capability layer for
the record and published on GET /api/auth/me as ai.usage: the level in
effect, the stored choice, the bounds, why (user, default, admin_cap), the
three options with whether each is allowed and an estimate of tokens per
day scaled from the record's last seven full days of coach_usage, and the
measured mean. A delegate sees the level, never the owner's spend.

PUT /api/auth/me/ai-usage stores the account's own choice or null for the
default, refusing a level above the ceiling with 422 ai.usage.aboveCeiling
and meta.maxLevel. The new supplementLabel capability needs standard or
above; below it the capability is unavailable with the new usage_level
reason, refused with 403 ai.usage.levelTooLow and meta.requiredLevel.

Refs #1217

2026-10-15 22:49:01 +02:00

migrations

feat(db): add the v1.43 schema and drop the readable location columns

2026-10-15 21:48:57 +02:00

README.md

docs: add navigational READMEs to key code directories

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

schema.prisma

feat(ai): resolve an AI usage level per record and publish it as ai.usage

2026-10-15 22:49:01 +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/`