Guided journaling app

Build a private journaling app with prompts.

Core features:
1. Daily prompt (mood, gratitude, reflection)
2. Free-form entry with rich text and photos
3. Streak + calendar view
4. Search past entries
5. Optional AI weekly summary of mood/themes

Data: entries, prompts, media.
Must-haves: entries encrypted at rest for the user, private-by-default RLS, no third-party analytics.