- Add dump_package tool documentation to README and API.md
- Document generate_pdb and use_pdb_variable_names parameters
- Update tool count from 14 to 15 in API.md
- Add DumpPackageRequest/Response models to API.md
- Add v0.4.0 and v0.3.0 entries to CHANGELOG
- Renumber API.md tools to accommodate new dump_package tool
- Use importlib.metadata for dynamic version (single source in pyproject.toml)
- Clean up duplicate `import re` statements across modules
- Add missing type hints to all public methods
- Fix PATH auto-discovery for ilspycmd (~/.dotnet/tools)
- Add pytest test suite with 35 tests covering models, metadata reader, wrapper
- Bump version to 0.2.0, add CHANGELOG.md
