Add streaks, scheduled releases, and notification settings

- Couple streaks with milestone notifications
- Scheduled pack releases with admin UI
- Notification preferences screen
- Refactored profile settings screens
- Partner activity notifications

apps/supabase/migrations/20260102100001_add_public_key_to_profiles.sql

@@ -3,10 +3,8 @@
 
 -- RSA public key in JWK format (JSON Web Key)
 ALTER TABLE profiles ADD COLUMN IF NOT EXISTS public_key_jwk JSONB;
-
 -- Index for efficient lookups when encrypting for partner
 CREATE INDEX IF NOT EXISTS idx_profiles_couple_id_public_key ON profiles(couple_id) 
   WHERE public_key_jwk IS NOT NULL;
-
 COMMENT ON COLUMN profiles.public_key_jwk IS 
   'RSA-2048 public key in JWK format for E2EE. Private key stored on device only.';