Initial commit: LangMem fact-based AI memory system with docs and MCP integration

- Complete fact-based memory API with mem0-inspired approach
- Individual fact extraction and deduplication
- ADD/UPDATE/DELETE memory actions
- Precision search with 0.86+ similarity scores
- MCP server for Claude Code integration
- Neo4j graph relationships and PostgreSQL vector storage
- Comprehensive documentation with architecture and API docs
- Matrix communication integration
- Production-ready Docker setup with Ollama and Supabase

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

debug_matrix.py

@@ -0,0 +1,98 @@
+#!/usr/bin/env python3
+"""
+Debug Matrix API connection step by step
+"""
+
+import asyncio
+import json
+import httpx
+
+# Matrix configuration
+MATRIX_HOMESERVER = "https://matrix.klas.chat"
+MATRIX_ACCESS_TOKEN = "syt_a2xhcw_ZcjbRgfRFEdMHnutAVOa_1M7eD4"
+HOME_ASSISTANT_ROOM_ID = "!xZkScMybPseErYMJDz:matrix.klas.chat"
+
+async def test_matrix_connection():
+    """Test Matrix connection step by step"""
+    print("🔍 Testing Matrix API connection...")
+    
+    headers = {
+        "Authorization": f"Bearer {MATRIX_ACCESS_TOKEN}",
+        "Content-Type": "application/json"
+    }
+    
+    try:
+        async with httpx.AsyncClient() as client:
+            # Test 1: Check if we can access the Matrix server
+            print("\n1. Testing Matrix server access...")
+            response = await client.get(f"{MATRIX_HOMESERVER}/_matrix/client/versions", timeout=30.0)
+            print(f"   Status: {response.status_code}")
+            if response.status_code == 200:
+                print("   ✅ Matrix server is accessible")
+            else:
+                print("   ❌ Matrix server access failed")
+                return False
+            
+            # Test 2: Check if our access token is valid
+            print("\n2. Testing access token...")
+            response = await client.get(f"{MATRIX_HOMESERVER}/_matrix/client/v3/account/whoami", headers=headers, timeout=30.0)
+            print(f"   Status: {response.status_code}")
+            if response.status_code == 200:
+                data = response.json()
+                print(f"   ✅ Access token valid, user: {data.get('user_id')}")
+            else:
+                print("   ❌ Access token invalid")
+                print(f"   Response: {response.text}")
+                return False
+            
+            # Test 3: Check if we can access the Home Assistant room
+            print("\n3. Testing Home Assistant room access...")
+            response = await client.get(f"{MATRIX_HOMESERVER}/_matrix/client/v3/rooms/{HOME_ASSISTANT_ROOM_ID}/state/m.room.name", headers=headers, timeout=30.0)
+            print(f"   Status: {response.status_code}")
+            if response.status_code == 200:
+                data = response.json()
+                print(f"   ✅ Room accessible, name: {data.get('name')}")
+            else:
+                print("   ❌ Room access failed")
+                print(f"   Response: {response.text}")
+                return False
+            
+            # Test 4: Send a simple test message
+            print("\n4. Sending test message...")
+            message_data = {
+                "msgtype": "m.text",
+                "body": "🔧 Matrix API test message from LangMem debug script"
+            }
+            
+            response = await client.post(
+                f"{MATRIX_HOMESERVER}/_matrix/client/v3/rooms/{HOME_ASSISTANT_ROOM_ID}/send/m.room.message",
+                headers=headers,
+                json=message_data,
+                timeout=30.0
+            )
+            print(f"   Status: {response.status_code}")
+            if response.status_code == 200:
+                data = response.json()
+                print(f"   ✅ Message sent successfully!")
+                print(f"   Event ID: {data.get('event_id')}")
+                return True
+            else:
+                print("   ❌ Message sending failed")
+                print(f"   Response: {response.text}")
+                return False
+                
+    except Exception as e:
+        print(f"❌ Error during testing: {e}")
+        return False
+
+async def main():
+    """Main function"""
+    success = await test_matrix_connection()
+    
+    if success:
+        print("\n🎉 All Matrix API tests passed!")
+    else:
+        print("\n❌ Matrix API tests failed!")
+
+if __name__ == "__main__":
+    asyncio.run(main())