dd7b76750b
- Add 24 new preference mappings including memory (3), note (10),
theme fonts, sidebar icons, and message settings
- Move memory prompts to shared config for reuse across processes
- Regenerate preference schemas with 6 new memory config items
- Fix math_engine mapping path (chat.message.math_engine → chat.message.math.engine)
- Update mapping stats: 175 → 199 Redux items, 197 → 203 total configs