Non-prod cron jobs were hardcoding production URLs, causing double
notifications. Adds get_supabase_edge_function_url() helper that
resolves from app_config.supabase_url per environment. Also adds
text_answer question type to pack generation docs.
Add automatic push notifications for behind partners (escalating: 24h then
every 3 days) and daily unpaired user reminders. Includes edge functions,
migrations, notification preference toggles, and UI improvements to pairing
and swipe screens.
- Add inverse_of column support for question pair linking
- Enhance admin questions page with bulk operations
- Add DB migrations for inverse_of and FK indexes
- Update pack generator docs for inverse linking
- Improve Docker configs for admin app
jjbrunton
