v2.0 — Settings Palette

What's New

Settings Dialog

• New Coll Settings toolbar button opens a non-modal settings palette
• 3 tabs: Appearance, Detection, Performance — all 25 configuration options exposed
• Live preview: changes apply instantly to the running overlay as you adjust
• Color pickers with alpha channel control for all overlay colors
• Numeric controls with appropriate ranges for all parameters

Persistent Settings

• Settings saved to collimation_settings.cfg next to the script
• Automatically loaded on script startup
• Reset to Defaults button restores original values

Console Commands

• settings() — open the settings dialog from the scripting console
• All existing commands (cycle_display_mode(), reset_tracking(), etc.) still work

Internal

• All hardcoded configuration constants replaced with centralized _config dict
• save_config() / load_config() / reset_config() available from console