=== DEBUGGING RATE ISSUE ===

1. SETTINGS TABLE STRUCTURE:
  - id: int(11) (Null: NO, Key: PRI)
  - group_id: varchar(50) (Null: YES, Key: UNI)
  - group_name: varchar(255) (Null: YES, Key: )
  - exchange_rate: decimal(10,4) (Null: YES, Key: )
  - fee_rate: decimal(5,2) (Null: YES, Key: )
  - to_pay_rate: decimal(10,4) (Null: YES, Key: )
  - created_at: timestamp (Null: NO, Key: )
  - updated_at: timestamp (Null: NO, Key: )

2. ALL SETTINGS RECORDS:
  ID: 102, Group ID: , Group Name: Default Group, Rate: 108.0000
  ID: 301, Group ID: -5222780600, Group Name: testing, Rate: 107.0000
  ID: 303, Group ID: -5228528881, Group Name: phpgrop3, Rate: 108.0000
  ID: 304, Group ID: -1002468037354, Group Name: test_bot, Rate: 110.0000

3. TEST RATE RETRIEVAL FOR SPECIFIC GROUP:
  Testing with group_id: -4756343178
  ✗ NOT FOUND - No record with this group_id

  Searching for similar group IDs:

4. DEFAULT SETTINGS (id=1):
  ✗ NO DEFAULT RECORD