- Extract all containers (login, notes list, note detail, note form, conversation form, conversations list) to CONTAINERS object
- Create initializeContainers() function to inject templates on page load
- Replace 300+ lines of inline HTML with single containerHost div
- Add session log documenting Option 1 approach with future intent for Option 2
- Each container now independently updatable without touching markup
- Maintains functionality while improving code organization and maintainability