tweak to freeze ray feature prompt

Implement enhanced missile area of effect system

Fix merchant menu item status text to match mockup design

Remove old bugfix planning doc

Fix missile physics to remove velocity inheritance

Fix test noise and linter errors

Fix merchant menu escape key bug by completing UIStackManager migration

Clean up completed TODOs

Housekeeping

Fix ESLint issues in test files and debug functions

Fix merchant UI text spacing and navigation issues

Fix merchant store accessibility and navigation in escape menu

Add complete merchant shop system with TDD implementation

Fix missile trajectory drift using TDD approach

HUD text and some new Claude commands