Add the Egg Quick Capture functionality at GET / with POST /actions/product-collected.
Changes:
- Add list_active() to LocationRepository for active locations only
- Create web/templates/eggs.py with MonsterUI form components
- Create web/routes/eggs.py with GET and POST handlers
- Add CSRF bypass in dev_mode for easier development/testing
- Resolve ducks at location server-side for egg collection
- UX: location sticks after submit, quantity clears
Tests: 9 new tests covering form rendering and submission
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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
