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/20260117000002_add_scheduled_pack_releases.sql

@@ -0,0 +1,25 @@
+-- Add scheduled pack release system
+-- Allows admins to schedule pack releases and automatically notifies users
+
+-- Add scheduling columns to question_packs
+ALTER TABLE question_packs
+    ADD COLUMN IF NOT EXISTS scheduled_release_at TIMESTAMPTZ,
+    ADD COLUMN IF NOT EXISTS release_notified BOOLEAN DEFAULT false;
+
+-- Index for efficient cron queries
+CREATE INDEX idx_question_packs_scheduled_release
+    ON question_packs(scheduled_release_at)
+    WHERE scheduled_release_at IS NOT NULL AND is_public = false;
+
+-- Schedule cron job for processing scheduled releases (runs every 5 minutes)
+SELECT cron.schedule(
+    'process-scheduled-releases',
+    '*/5 * * * *',
+    $$
+    SELECT net.http_post(
+        url := 'https://ckjcrkjpmhqhiucifukx.supabase.co/functions/v1/process-scheduled-releases',
+        headers := jsonb_build_object('Content-Type', 'application/json'),
+        body := '{}'::jsonb
+    )
+    $$
+);