# Task ID: 1

**Title:** Initialize Python Project Structure

**Status:** pending

**Dependencies:** None

**Priority:** high

**Description:** Set up the Python project with pyproject.toml, uv package manager, and the directory structure defined in the architecture document.

**Details:**

Create the project structure:
1. Create `pyproject.toml` with metadata and dependencies:
   - typer ^0.9.0, httpx ^0.25.0, msal ^1.24.0, rich ^13.0.0, pydantic ^2.0.0
   - Dev deps: pytest ^7.4.0, pytest-mock ^3.12.0, pytest-asyncio ^0.21.0, respx ^0.20.0, ruff ^0.1.0, mypy ^1.7.0
2. Create directory structure:
   ```
   src/teams_phone/
   ├── __init__.py
   ├── __main__.py
   ├── cli/
   ├── services/
   ├── infrastructure/
   ├── models/
   ├── exceptions.py
   ├── constants.py
   └── utils.py
   tests/
   ├── conftest.py
   ├── unit/
   ├── integration/
   └── fixtures/
   ```
3. Configure ruff in pyproject.toml
4. Configure mypy with strict mode
5. Add .pre-commit-config.yaml

**Test Strategy:**

Run `uv sync` to verify dependencies install. Run `uv run python -c "import teams_phone"` to verify package imports. Run `uv run ruff check .` and `uv run mypy src/` to verify tooling works.

---

## Implementation Notes

### Session: 2026-01-28 20:05 - Agent: claude-opus-4-5-20251101

**Status:** Implemented

#### What Was Done
- Created `pyproject.toml` with complete project metadata, production dependencies, and dev dependencies
- Used modern uv syntax with `[dependency-groups]` for dev dependencies
- Configured hatchling as build backend with `src/teams_phone` package path
- Configured ruff linter with line-length=88, target-version py310, and select rules E4/E7/E9/F
- Configured mypy in strict mode with Python 3.10 target
- Added pytest configuration with test markers (unit, integration, contract)
- Created all stub Python files with docstrings:
  - `src/teams_phone/__init__.py` with `__version__ = "0.1.0"`
  - `src/teams_phone/__main__.py`, `exceptions.py`, `constants.py`, `utils.py`
  - `__init__.py` in `cli/`, `services/`, `infrastructure/`, `models/`
- Created test infrastructure:
  - `tests/__init__.py`, `tests/conftest.py` with pytest marker configuration
  - `tests/unit/__init__.py`, `tests/integration/__init__.py`, `tests/fixtures/__init__.py`
- Created `.pre-commit-config.yaml` with ruff-pre-commit (v0.9.6) and mirrors-mypy (v1.14.1)
- Updated `.gitignore` with Python-specific patterns (__pycache__, .pytest_cache, .mypy_cache, .ruff_cache, .venv, uv.lock, etc.)

#### Key Decisions Made
- **Removed readme from pyproject.toml:** README.md doesn't exist yet, and hatchling requires it if specified. Will be added when documentation task is done.
- **Used `>=` version constraints:** Modern uv best practice instead of `^` notation
- **Used hatchling as build backend:** Standard choice for modern Python projects
- **Added pre-commit as dev dependency:** Required to run `uv run pre-commit install`
- **Set ruff-pre-commit to v0.9.6 and mirrors-mypy to v1.14.1:** Current stable versions

#### Patterns Discovered
- **Package name convention:** PyPI name `teams-phone-cli` (dashes), import name `teams_phone` (underscores)
- **uv.lock auto-generated:** Created by `uv sync`, 52 packages resolved
- **pytest exit code 5:** Expected when no tests collected (infrastructure works)

#### Open Items for Next Agent
- [ ] README.md creation (likely separate documentation task)
- [ ] LICENSE file creation (likely separate task)
- [ ] Add actual CLI entry point in `__main__.py` (Task 2: CLI Root Command)
- [ ] Consider adding more ruff rules as codebase grows

#### Gotchas and Warnings
- **README.md reference:** If you add `readme = "README.md"` back to pyproject.toml, the file must exist or build will fail
- **mypy strict mode:** All functions need type hints - mypy will fail on untyped code
- **pytest markers:** Define markers in pyproject.toml AND register in conftest.py for clean test collection

#### Files Created/Modified
```
pyproject.toml (created)
.pre-commit-config.yaml (created)
.gitignore (modified)
src/teams_phone/__init__.py (created)
src/teams_phone/__main__.py (created)
src/teams_phone/exceptions.py (created)
src/teams_phone/constants.py (created)
src/teams_phone/utils.py (created)
src/teams_phone/cli/__init__.py (created)
src/teams_phone/services/__init__.py (created)
src/teams_phone/infrastructure/__init__.py (created)
src/teams_phone/models/__init__.py (created)
tests/__init__.py (created)
tests/conftest.py (created)
tests/unit/__init__.py (created)
tests/integration/__init__.py (created)
tests/fixtures/__init__.py (created)
uv.lock (auto-generated)
```

---
