chore: remove outdated documentation and reference files

- Remove debugging service documentation (DEBUgging_SERVICES.md)
- Remove development logs policy and quick reference guides
- Remove E2E test creation summary
- Remove gift certificate example file
- Remove GitHub pull summary documentation

tests/testing/test_tx_model.py

@@ -0,0 +1,21 @@
+#!/usr/bin/env python3
+"""
+Test the Transaction model directly
+"""
+
+# Test creating a transaction model instance
+tx_data = {
+    "tx_hash": "0xtest123",
+    "sender": "0xsender",
+    "recipient": "0xrecipient",
+    "payload": {"test": "data"}
+}
+
+print("Transaction data:")
+print(tx_data)
+
+# Simulate what the router does
+print("\nExtracting fields:")
+print(f"tx_hash: {tx_data.get('tx_hash')}")
+print(f"sender: {tx_data.get('sender')}")
+print(f"recipient: {tx_data.get('recipient')}")