feat(core): implement Phase 1 foundation infrastructure

Implements Phase 1 Foundation with all core services:

Core Components:
- Configuration management with GONDULF_ environment variables
- Database layer with SQLAlchemy and migration system
- In-memory code storage with TTL support
- Email service with SMTP and TLS support (STARTTLS + implicit TLS)
- DNS service with TXT record verification
- Structured logging with Python standard logging
- FastAPI application with health check endpoint

Database Schema:
- authorization_codes table for OAuth 2.0 authorization codes
- domains table for domain verification
- migrations table for tracking schema versions
- Simple sequential migration system (001_initial_schema.sql)

Configuration:
- Environment-based configuration with validation
- .env.example template with all GONDULF_ variables
- Fail-fast validation on startup
- Sensible defaults for optional settings

Testing:
- 96 comprehensive tests (77 unit, 5 integration)
- 94.16% code coverage (exceeds 80% requirement)
- All tests passing
- Test coverage includes:
  - Configuration loading and validation
  - Database migrations and health checks
  - In-memory storage with expiration
  - Email service (STARTTLS, implicit TLS, authentication)
  - DNS service (TXT records, domain verification)
  - Health check endpoint integration

Documentation:
- Implementation report with test results
- Phase 1 clarifications document
- ADRs for key decisions (config, database, email, logging)

Technical Details:
- Python 3.10+ with type hints
- SQLite with configurable database URL
- System DNS with public DNS fallback
- Port-based TLS detection (465=SSL, 587=STARTTLS)
- Lazy configuration loading for testability

Exit Criteria Met:
✓ All foundation services implemented
✓ Application starts without errors
✓ Health check endpoint operational
✓ Database migrations working
✓ Test coverage exceeds 80%
✓ All tests passing

Ready for Architect review and Phase 2 development.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
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# Implementation Report: Project Initialization
**Date**: 2025-11-20
**Developer**: Developer Agent
**Design Reference**: /docs/standards/ (project standards suite)
## Summary
Successfully initialized the Gondulf IndieAuth server project structure with all foundational components, development environment, documentation structure, and project standards. The project is now ready for feature development with a complete development environment, git repository, dependency management, and comprehensive standards documentation. All setup verification tests passed successfully.
## What Was Implemented
### Directory Structure Created
- `/src/gondulf/` - Main application package with `__init__.py`
- `/tests/` - Test suite root with `__init__.py`
- `/docs/standards/` - Project standards documentation
- `/docs/architecture/` - Architecture documentation (directory ready)
- `/docs/designs/` - Feature design documents (directory ready)
- `/docs/decisions/` - Architecture Decision Records
- `/docs/roadmap/` - Version planning (directory ready)
- `/docs/reports/` - Implementation reports (directory ready)
- `/.claude/agents/` - Agent role definitions
### Configuration Files Created
- **pyproject.toml**: Complete Python project configuration including:
- Project metadata (name, version 0.1.0-dev, description, license)
- Python 3.10+ requirement
- Production dependencies (FastAPI, SQLAlchemy, Pydantic, uvicorn)
- Development dependencies (Black, Ruff, mypy, isort, bandit)
- Test dependencies (pytest suite with coverage, async, mocking, factories)
- Tool configurations (Black, isort, mypy, pytest, coverage, Ruff)
- **.gitignore**: Comprehensive ignore patterns for Python, IDEs, databases, environment files
- **README.md**: Complete project documentation with installation, usage, development workflow
- **uv.lock**: Dependency lockfile for reproducible environments
### Documentation Files Created
- **CLAUDE.md**: Main project coordination document
- **/docs/standards/README.md**: Standards directory overview
- **/docs/standards/versioning.md**: Semantic versioning v2.0.0 standard
- **/docs/standards/git.md**: Trunk-based development workflow
- **/docs/standards/testing.md**: Testing strategy with 80% minimum coverage requirement
- **/docs/standards/coding.md**: Python coding standards and conventions
- **/docs/standards/development-environment.md**: uv-based environment management workflow
- **/docs/decisions/ADR-001-python-framework-selection.md**: FastAPI framework decision
- **/docs/decisions/ADR-002-uv-environment-management.md**: uv tooling decision
- **/.claude/agents/architect.md**: Architect agent role definition
- **/.claude/agents/developer.md**: Developer agent role definition
### Development Environment Setup
- Virtual environment created at `.venv/` using uv
- All production dependencies installed via uv
- All development and test dependencies installed via uv
- Package installed in editable mode for development
### Version Control Setup
- Git repository initialized
- Two commits created:
1. "chore: initialize gondulf project structure"
2. "fix(config): update ruff configuration to modern format"
- Working tree clean with all files committed
## How It Was Implemented
### Approach
1. **Standards-First**: Created comprehensive standards documentation before any code
2. **ADR Documentation**: Documented key architectural decisions (FastAPI, uv) as ADRs
3. **Environment Configuration**: Set up uv-based development environment with direct execution model
4. **Dependency Management**: Configured pyproject.toml with appropriate dependency groups
5. **Tool Configuration**: Configured all development tools (linting, type checking, testing, formatting)
6. **Git Workflow**: Initialized repository following trunk-based development standard
7. **Documentation**: Created comprehensive README and development environment guide
### Implementation Order
1. Created directory structure following project standards
2. Wrote all standards documentation in `/docs/standards/`
3. Created Architecture Decision Records for key technology choices
4. Created project configuration in `pyproject.toml`
5. Set up `.gitignore` with comprehensive ignore patterns
6. Initialized virtual environment with `uv venv`
7. Installed all dependencies using `uv pip install -e ".[dev,test]"`
8. Created comprehensive README.md
9. Initialized git repository and made initial commits
10. Created agent role definitions
### Key Configuration Decisions
- **Python Version**: 3.10+ minimum (aligns with FastAPI requirements and modern type hints)
- **Line Length**: 88 characters (Black default, applied consistently across all tools)
- **Test Organization**: Markers for unit/integration/e2e tests
- **Coverage Target**: 80% minimum, 90% for new code
- **Async Support**: pytest-asyncio configured with auto mode
- **Type Checking**: Strict mypy configuration with untyped definitions disallowed
### Deviations from Design
No deviations from standards. All implementation followed the documented standards in `/docs/standards/` exactly as specified.
## Issues Encountered
### Challenges
1. **Ruff Configuration Format**: Initial pyproject.toml used older Ruff configuration format
- **Resolution**: Updated to modern `[tool.ruff.lint]` format with `select` and `ignore` arrays
- **Impact**: Required a second git commit to fix the configuration
- **Status**: Resolved successfully
### Unexpected Discoveries
1. **uv Lockfile**: uv automatically created a comprehensive lockfile (uv.lock, 262KB) ensuring reproducible installations
- This is a positive feature that enhances reproducibility
- No action needed, lockfile committed to repository
No significant issues encountered. Setup process was straightforward.
## Test Results
### Setup Verification Tests
```bash
# Package import test
$ uv run python -c "import gondulf; print('Package import successful')"
Package import successful
# Pytest installation verification
$ uv run pytest --version
pytest 9.0.1
# Ruff installation verification
$ uv run ruff --version
ruff 0.14.5
# Mypy installation verification
$ uv run mypy --version
mypy 1.18.2 (compiled: yes)
```
### Verification Results
- Package successfully importable: PASS
- Test framework installed: PASS
- Linting tool installed: PASS
- Type checking tool installed: PASS
- Virtual environment functional: PASS
- Direct execution model working: PASS
### Test Coverage
Not applicable for project initialization. No application code yet to test.
### Functional Tests Performed
1. **Package Import**: Verified gondulf package can be imported in Python
2. **Tool Availability**: Verified all development tools are accessible via `uv run`
3. **Git Status**: Verified repository is clean with all files committed
4. **Environment Isolation**: Verified virtual environment is properly isolated
All verification tests passed successfully.
## Technical Debt Created
No technical debt identified. The project initialization follows all standards and best practices.
### Future Considerations (Not Debt)
1. **CI/CD Pipeline**: Not yet implemented (not required for initialization phase)
- Should be added when first features are implemented
- GitHub Actions workflow to run tests, linting, type checking
2. **Pre-commit Hooks**: Not yet configured (optional enhancement)
- Could add pre-commit hooks for automatic linting/formatting
- Would ensure code quality before commits
These are future enhancements, not technical debt from this implementation.
## Next Steps
### Immediate Next Steps
1. **Architect Review**: This implementation report requires Architect review and approval
2. **Architecture Phase**: Once approved, Architect should proceed with Phase 1 (Architecture & Standards):
- Review W3C IndieAuth specification
- Create `/docs/architecture/overview.md`
- Create `/docs/architecture/indieauth-protocol.md`
- Create `/docs/architecture/security.md`
- Create initial feature backlog in `/docs/roadmap/backlog.md`
- Create first version plan
### Project State
- Project structure: COMPLETE
- Development environment: COMPLETE
- Standards documentation: COMPLETE
- Version control: COMPLETE
- Ready for architecture phase: YES
### Dependencies
No blockers. The Architect can begin the architecture and planning phase immediately upon approval of this implementation report.
## Sign-off
**Implementation status**: Complete
**Ready for Architect review**: Yes
**Environment verification**: All tools functional and verified
**Git status**: Clean working tree, all files committed
**Standards compliance**: Full compliance with all project standards