Modified Document_processor to avoid tight coupling

src/services/document_processor.py

@@ -1,6 +1,6 @@
 import cohere
 import requests
-from typing import List, Dict, Any
+from typing import List, Dict, Any, Optional
 import json
 import os
 import logging
@@ -8,7 +8,7 @@ from services.config import config
 from services.database import Database
 
 class DocumentProcessor:
-    def __init__(self, vector_store):
+    def __init__(self, vector_store, database: Optional[Database] = None):
         self.vector_store = vector_store
         self.cohere_client = cohere.Client(config.COHERE_API_KEY)
         self.deepseek_url = "https://api.deepseek.com/v1/chat/completions"
@@ -16,7 +16,7 @@ class DocumentProcessor:
             "Authorization": f"Bearer {config.DEEPSEEK_API_KEY}",
             "Content-Type": "application/json"
         }
-        self.database = Database()
+        self.database = Database() or database
         
     async def process_document(self, doc_id: str, file_path: str, document_type: str, is_resubmission: bool = False):