Add workflow.md, update diary, decisions, and TODO for v0.2.0 cleanup

Update documentation: fix outdated info, mark completed tasks, add new TODO items

Update diary with detailed v0.2.0 release notes

Finalize v0.2.0 features, bug fixes, and documentation

Merge dev into master for v0.2.0 release

Finalize v0.2.0 features, bug fixes, and documentation

Finalize MVP documentation, update README and constants for v0.2.0-dev

Add diary entry for first v0.1.0 release

Finalize MVP documentation, update README and constants for v0.2.0-dev

Add diary entry for first v0.1.0 release

Update README for v0.1.0 release

Merge dev into master for v0.1.0 release

Update TODO, decisions, and diary with last_tick plan and recovery details

Update documentation after recovery dialog implementation

Fix orphaned session recovery: correct type, name, and UI refresh

Update TODO and diary for task list highlighting and system task handling

Update TODO, decisions, and diary with last_tick plan and recovery details

Update documentation after recovery dialog implementation

Fix orphaned session recovery: correct type, name, and UI refresh

Update TODO and diary for task list highlighting and system task handling

Fix active task highlighting and system task handling

Update TODO with next UI improvements for task list

Add task list with click-to-switch and public TimerCore helpers

Update TODO and diary for working UI controls and code cleanup

Add working UI controls: start, stop, break, resume with live status

Update documentation for PySide2 switch, first window, and environment fixes

Add minimal PySide2 main window with config, DB, and timer integration

Update TODO: mark completed core tasks; normalize dashes across docs and core modules

Update documentation for core modules, decisions and TODO list

Add TimerCore module; update database and config (save_interval, orphaned resolution)

Add config module with defaults, migration, and theme field

Create database.py with full core logic, midnight transition, break handling. Documentation update.

Add requirements.txt and main.py entry point

Add checked field to sessions, themes stubs, and SVG resources plan