- Add @spec annotations to all public functions in time_helpers.ex
- Add @spec annotations to all public functions in weather_units.ex
- Add @spec annotations to authentication functions in user_auth.ex
- Fix User struct type reference (use %Aprsme.Accounts.User{} instead of t())
- All dialyzer checks now pass successfully
These type specifications improve code documentation and enable better
compile-time type checking with dialyzer.
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
