feat(01-03): add full v1 ORM schema, async session factory, and DB dependency

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- backend/db/models.py: 11 SQLAlchemy 2.0 ORM models (User, Quota, RefreshToken,
  Folder, Document, Topic, DocumentTopic, Share, AuditLog, CloudConnection, Group)
- Document.user_id declared nullable=True per D-03 (Phase 2 adds NOT NULL)
- AuditLog.metadata_ uses mapped_column("metadata", JSONB) to avoid DeclarativeBase
  reserved-attribute conflict
- Group table stub for D-02 (v2 feature, seeded per PROJECT.md)
- Uses Optional[X] instead of X | None for Python < 3.10 compatibility
- backend/db/session.py: async engine (pool_pre_ping=True, expire_on_commit=False)
- backend/deps/db.py: async get_db() FastAPI dependency yielding AsyncSession

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curo1305

2026-05-22 09:16:21 +02:00

parent 213afec6b3

commit 3e1fcd69b5

5 changed files with 359 additions and 0 deletions

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backend/db/__init__.py