docs: add comprehensive contract testing, monitoring, and analytics workflow steps

📋 Workflow Enhancement:
• Add cross-node consensus testing with debugging reports (step 6)
• Add smart contract testing and service integration (step 7)
• Add enhanced contract and service testing with API structure validation (step 8)
• Add service health monitoring with quick, continuous, and alert modes (step 9)
• Add contract deployment and service integration testing (step 10)
• Add contract security and vulnerability testing with reports (step 11)
• Add

apps/blockchain-node/src/aitbc_chain/rpc/contract_service.py

@@ -0,0 +1,11 @@
+"""Contract Service Module"""
+from typing import Dict, Any
+import hashlib
+import time
+
+class ContractService:
+    @staticmethod
+    def list_contracts() -> Dict[str, Any]:
+        return {"contracts": [{"address": "0xguardian_001", "name": "Guardian Contract", "status": "deployed", "functions": ["storeValue", "getValue", "setGuardian"]}], "total": 1}
+
+contract_service = ContractService()