=== TESTING WEBHOOK HANDLER ===

Simulating callback_query with data: browse_tags

Config loaded successfully
Callback ID: test_callback_123
Chat ID: 123456
Data: browse_tags

Processing browse_tags...
✅ SUCCESS: Keyboard has 8 rows and 27 buttons

First row buttons:
  - А -> tag_letter:%D0%90:0
  - Б -> tag_letter:%D0%91:0
  - В -> tag_letter:%D0%92:0
  - Г -> tag_letter:%D0%93:0

=== TEST COMPLETE ===