Applied 236 return type annotations to functions with no return values
across 100+ files (core modules, tests, scripts, simulations).
Added Phase 4 to python_style_refactor track for remaining 597 items
(untyped params, vars, and functions with return values).
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Automates the refactoring of the monolithic _gui_func in gui_2.py into separate rendering methods, nested within 'Context Hub', 'AI Settings Hub', 'Discussion Hub', and 'Operations Hub', utilizing tab bars. Adds tests to ensure the new default windows correctly represent this Hub structure.
