fix: complete system architecture compliance via workflow

✅ Architecture Audit & Rewire Completed
- Fixed Python code path references in tests and miner files
- Updated SystemD service ReadWritePaths to use system logs
- Removed remaining production data and log directories
- Updated .gitignore for additional runtime patterns
- Created proper system directory structure
- Restarted all services for configuration changes

✅ FHS Compliance Achieved
- Data: /var/lib/aitbc/data ✅
- Config: /etc/aitbc ✅
- Logs: /var/log/aitbc ✅
- Repository: Clean of runtime files ✅

✅ Code References Fixed
- 0 repository data references ✅
- 0 repository config references ✅
- 0 repository log references ✅

✅ Services Operational
- Marketplace: Active and responding ✅
- Blockchain HTTP: Active and responding ✅
- All services using system paths ✅

🚀 AITBC system architecture is now fully FHS compliant!

dev/gpu/gpu_miner_host.py

@@ -22,7 +22,7 @@ MAX_RETRIES = 10
 RETRY_DELAY = 30
 
 # Setup logging with explicit configuration
-LOG_PATH = "/opt/aitbc/logs/host_gpu_miner.log"
+LOG_PATH = "/var/log/aitbc/host_gpu_miner.log"
 os.makedirs(os.path.dirname(LOG_PATH), exist_ok=True)
 
 class FlushHandler(logging.StreamHandler):