Migrate infrastructure apps to centralized aitbc package utilities

- Migrate monitor/monitor.py from logging to aitbc.get_logger and hardcoded paths to DATA_DIR
- Migrate multi-region-load-balancer/main.py from logging to aitbc.get_logger
- Migrate global-infrastructure/main.py from logging to aitbc.get_logger
- Migrate global-ai-agents/main.py from logging to aitbc.get_logger
- Migrate exchange-integration/main.py from logging to aitbc.get_logger
- Migrate trading-engine/main.py from logging to aitbc.get_logger
- Migrate compliance-service/main.py from logging to aitbc.get_logger
- Remove logging.basicConfig() calls from all files

apps/monitor/monitor.py

@@ -4,14 +4,14 @@ AITBC Monitor Service
 """
 
 import time
-import logging
 import json
 from pathlib import Path
 import psutil
 
+from aitbc import get_logger, DATA_DIR
+
 def main():
-    logging.basicConfig(level=logging.INFO)
-    logger = logging.getLogger('aitbc-monitor')
+    logger = get_logger('aitbc-monitor')
     
     while True:
         try:
@@ -21,14 +21,14 @@ def main():
             logger.info(f'System: CPU {cpu_percent}%, Memory {memory_percent}%')
             
             # Blockchain stats
-            blockchain_file = Path('/var/lib/aitbc/data/blockchain/aitbc/blockchain.json')
+            blockchain_file = DATA_DIR / 'data/blockchain/aitbc/blockchain.json'
             if blockchain_file.exists():
                 with open(blockchain_file, 'r') as f:
                     data = json.load(f)
                     logger.info(f'Blockchain: {len(data.get("blocks", []))} blocks')
             
             # Marketplace stats
-            marketplace_dir = Path('/var/lib/aitbc/data/marketplace')
+            marketplace_dir = DATA_DIR / 'data/marketplace'
             if marketplace_dir.exists():
                 listings_file = marketplace_dir / 'gpu_listings.json'
                 if listings_file.exists():