added reranker

.env.example

@@ -3,6 +3,7 @@ OPENAI_API_KEY=sk-your-openai-api-key-here
 OPENAI_COMPAT_API_KEY=sk-your-openai-compatible-api-key-here
 OPENAI_BASE_URL=https://your-openai-compatible-endpoint.com/v1
 EMBEDDER_API_KEY=AIzaSy-your-google-gemini-api-key-here
+COHERE_API_KEY=your-cohere-api-key-here
 
 # Database Configuration
 QDRANT_HOST=qdrant

backend/config.py

@@ -12,7 +12,8 @@ class Settings(BaseSettings):
     # API Configuration
     openai_api_key: str = Field(..., env="OPENAI_COMPAT_API_KEY")
     openai_base_url: str = Field(..., env="OPENAI_COMPAT_BASE_URL")
-    embedder_api_key: str = Field(..., env="EMBEDDER_API_KEY")
+
+    cohere_api_key: str = Field(..., env="COHERE_API_KEY")
 
     # ollama_base_url: str = Field(..., env="OLLAMA_BASE_URL")
 

backend/mem0_manager.py

@@ -2,6 +2,7 @@
 
 import logging
 from typing import Dict, List, Optional, Any
+from datetime import datetime
 from mem0 import Memory
 from openai import OpenAI
 
@@ -19,6 +20,7 @@ class Mem0Manager:
     
     def __init__(self):
         # Custom endpoint configuration with graph memory enabled
+        logger.info("Initializing ultra-minimal Mem0Manager with custom endpoint with settings:", settings)
         config = {
             "enable_graph": True,
             "llm": {
@@ -56,6 +58,14 @@ class Mem0Manager:
                     "password": settings.neo4j_password
                 }
             },
+            "reranker": {
+                "provider": "cohere",
+                "config": {
+                    "api_key": settings.cohere_api_key,
+                    "model": "rerank-english-v3.0",
+                    "top_n": 10
+                }
+            }
         }
         
         self.memory = Memory.from_config(config)
@@ -87,11 +97,24 @@ class Mem0Manager:
                 else:
                     formatted_messages.append(msg)
             
-            # Direct Mem0 add with metadata support
+            # Auto-enhance metadata for better memory quality
             combined_metadata = metadata or {}
+
+            # Add automatic metadata enhancement
+            auto_metadata = {
+                "timestamp": datetime.now().isoformat(),
+                "source": "chat_conversation",
+                "message_count": len(formatted_messages),
+                "auto_generated": True
+            }
+
+            # Merge user metadata with auto metadata (user metadata takes precedence)
+            enhanced_metadata = {**auto_metadata, **combined_metadata}
+
+            # Direct Mem0 add with enhanced metadata
             result = self.memory.add(formatted_messages, user_id=user_id,
                                      agent_id=agent_id, run_id=run_id,
-                                     metadata=combined_metadata if combined_metadata else None)
+                                     metadata=enhanced_metadata)
             
             return {
                 "added_memories": result if isinstance(result, list) else [result],

docker-compose.yml

@@ -53,6 +53,7 @@ services:
     environment:
       OPENAI_API_KEY: ${OPENAI_COMPAT_API_KEY}
       OPENAI_BASE_URL: ${OPENAI_COMPAT_BASE_URL}
+      COHERE_API_KEY: ${COHERE_API_KEY}
       EMBEDDER_API_KEY: ${EMBEDDER_API_KEY:-AIzaSyA_}
       QDRANT_HOST: qdrant
       QDRANT_PORT: 6333

frontend/package.json

@@ -1,44 +0,0 @@
-{
-  "name": "mem0-interface-frontend",
-  "version": "1.0.0",
-  "description": "React frontend for Mem0 Interface POC",
-  "main": "src/index.js",
-  "scripts": {
-    "start": "react-scripts start",
-    "build": "react-scripts build",
-    "test": "react-scripts test",
-    "eject": "react-scripts eject"
-  },
-  "dependencies": {
-    "react": "^18.2.0",
-    "react-dom": "^18.2.0",
-    "react-scripts": "5.0.1",
-    "axios": "^1.6.0",
-    "react-router-dom": "^6.8.0",
-    "@mui/material": "^5.14.0",
-    "@mui/icons-material": "^5.14.0",
-    "@emotion/react": "^11.11.0",
-    "@emotion/styled": "^11.11.0",
-    "recharts": "^2.8.0",
-    "react-json-view": "^1.21.3"
-  },
-  "eslintConfig": {
-    "extends": [
-      "react-app",
-      "react-app/jest"
-    ]
-  },
-  "browserslist": {
-    "production": [
-      ">0.2%",
-      "not dead",
-      "not op_mini all"
-    ],
-    "development": [
-      "last 1 chrome version",
-      "last 1 firefox version",
-      "last 1 safari version"
-    ]
-  },
-  "proxy": "http://localhost:8000"
-}