=== Migration Started: Channel Limits & Admin Management ===

Step 1: Migrating channels table...
✓ join_limit column already exists
✓ time_limit_hours column already exists
✓ is_active column already exists

Step 2: Creating dynamic_admins table...
✓ dynamic_admins table created

Step 3: Verifying channel_lock_stats table...
✓ channel_lock_stats table verified (supports 'left' action)

=== Migration Completed Successfully ===

New Features Available:
1. ⚙️ Channel Limits:
   - Set maximum number of joins per channel
   - Set time limit (in hours) for channel locks
   - Channels auto-disable when limits are reached

2. 👥 Admin Management:
   - Add/remove dynamic admins from the panel
   - Config admins (in config.php) cannot be removed
   - Track who added each admin and when

3. 📊 Left User Tracking:
   - Automatically track users who leave channels
   - View 'left' count in channel statistics
   - Requires chat_member updates to be enabled in BotFather

IMPORTANT: Enable chat_member updates (2 steps required):

STEP 1: Update webhook configuration
  Run: php setup.php
  This updates the webhook to receive chat_member updates

STEP 2: Enable in BotFather
  1. Message @BotFather
  2. Select your bot
  3. Go to Bot Settings > Group Privacy > Turn OFF
  4. Go to Bot Settings > Allow Groups > Turn ON

Both steps are REQUIRED for left user tracking to work!