Fix: 'HEADERS' not defined error by using DEEPSEEK_HEADERS from config.py in compassia.py.

src/compassia.py

@@ -30,7 +30,7 @@ import chromadb
 
 # Import configurations and prompt from local modules
 from config import (
-    DEEPSEEK_API_URL, DEEPSEEK_HEADERS,
+    DEEPSEEK_API_URL, DEEPSEEK_HEADERS, # <--- Using these from config.py
     EMBEDDING_MODEL_NAME, EMBEDDING_MODEL_USE_FP16,
     CHROMADB_PERSIST_DIRECTORY, CHROMADB_COLLECTION_NAME,
     CHUNK_SIZE, CHUNK_OVERLAP,
@@ -364,7 +364,8 @@ class DocumentRAG:
             "max_tokens": LLM_MAX_TOKENS,
         }
 
-        response = requests.post(DEEPSEEK_API_URL, json=data, headers=HEADERS)
+        # CRITICAL FIX: Use DEEPSEEK_HEADERS imported from config.py
+        response = requests.post(DEEPSEEK_API_URL, json=data, headers=DEEPSEEK_HEADERS) 
 
         if response.status_code == 200:
             ai_response = response.json()
@@ -479,4 +480,4 @@ if __name__ == "__main__":
         # is handled on startup by `add_document` from Firestore.
         answer_text, _ = rag_system.answer_question(user_question, conversation_id=current_conversation_id)
         # For local testing, we print the answer directly
-        print(f"\nAI: {answer_text}")
+        print(f"\nAI: {answer_text}")