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d02039a22e
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Backend runtime upgraded to Python 3.14 with exact dependency pinning (#57)
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Signed-off-by: Cliff Hill <xlorep@darkhelm.org>
## Summary
Upgrades backend runtime baseline and dependency management for issue #10.
### Changes
1. **Python Baseline**: Updated from 3.13 to 3.14
- Updated `backend/pyproject.toml` requires-python constraint
- Updated `backend/pyrightconfig.json` pythonVersion
- Updated all Dockerfile and CI references
2. **Dependency Pinning**: Switched to exact version pins in `backend/pyproject.toml`
- All dev and runtime dependencies now use `==` instead of `>=`
- `fastapi==0.120.2`, `uvicorn==0.38.0`
- ruff, pyright, pytest suite pinned to current resolved versions
- Regenerated `backend/uv.lock` under Python 3.14
3. **Startup Compatibility Guard** (TDD via RED→GREEN)
- New `compatibility_status()` function evaluates runtime and pinned deps
- Startup raises `RuntimeError` if policy fails
- Implemented via FastAPI lifespan (non-deprecated) handler
4. **Compatibility Status Endpoint**
- New `GET /compatibility` returns policy status, runtime version, and package checks
- Shares single source of truth with startup validation
5. **Integration Tests**
- Added failing-then-passing tests for startup guard and endpoint behavior
- 100% coverage maintained
6. **Direnv Configuration**
- Added `UV_PYTHON="3.14"` pin to repo `.envrc`
- Ensures direnv creates/recreates venv with correct Python version
### Validation
- ✅ ruff format/check
- ✅ pyright strict (0 errors)
- ✅ pytest: 8 passed, 100% coverage (>=95 gate)
- ✅ pydoclint: pass
- ✅ xdoctest: pass
### Notes
- SQLAlchemy/SQLModel introduction deferred to next pass per scope
- Compatibility logic currently validates fastapi/uvicorn pins (runtime deps)
- Ready for container build validation and Renovate bot testing
Co-authored-by: copilotcoder <copilotcoder@darkhelm.org>
Reviewed-on: #57
Co-authored-by: Cliff Hill <xlorep@darkhelm.org>
Co-committed-by: Cliff Hill <xlorep@darkhelm.org>
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2026-06-18 11:19:24 -04:00 |
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