Migrate wallet app to centralized aitbc package utilities

- Migrate 4 files from logging to aitbc.get_logger
- __main__.py, chain/multichain_ledger.py, chain/manager.py, chain/chain_aware_wallet_service.py
- Remove logging.basicConfig() from __main__.py

apps/wallet/src/app/__main__.py

@@ -7,19 +7,13 @@ with multi-chain support.
 """
 
 import uvicorn
-import logging
 from pathlib import Path
 
+from aitbc import get_logger
 from app.main import app
 from app.settings import settings
 
-# Configure logging
-logging.basicConfig(
-    level=logging.INFO,
-    format="%(asctime)s - %(name)s - %(levelname)s - %(message)s"
-)
-
-logger = logging.getLogger(__name__)
+logger = get_logger(__name__)
 
 def main():
     """Main entry point for the wallet daemon"""

apps/wallet/src/app/chain/chain_aware_wallet_service.py

@@ -7,15 +7,15 @@ isolation, and management across different blockchain networks.
 
 from typing import Dict, List, Optional, Any
 from pathlib import Path
-import logging
 from datetime import datetime
 
+from aitbc import get_logger
 from .manager import ChainManager, ChainConfig, ChainStatus
 from .multichain_ledger import MultiChainLedgerAdapter, ChainWalletMetadata
 from ..keystore.persistent_service import PersistentKeystoreService
 from ..security import wipe_buffer
 
-logger = logging.getLogger(__name__)
+logger = get_logger(__name__)
 
 
 class ChainAwareWalletService:

apps/wallet/src/app/chain/manager.py

@@ -10,10 +10,11 @@ from pathlib import Path
 from dataclasses import dataclass, field
 from enum import Enum
 import json
-import logging
 from datetime import datetime
 
-logger = logging.getLogger(__name__)
+from aitbc import get_logger
+
+logger = get_logger(__name__)
 
 
 class ChainStatus(Enum):

apps/wallet/src/app/chain/multichain_ledger.py

@@ -12,11 +12,11 @@ import threading
 import json
 from datetime import datetime
 from dataclasses import dataclass, asdict
-import logging
 
+from aitbc import get_logger
 from .manager import ChainManager, ChainConfig
 
-logger = logging.getLogger(__name__)
+logger = get_logger(__name__)
 
 
 @dataclass