Fix: Correct duckduckgo_search import

src/agents/researcher.py

@@ -1,13 +1,14 @@
 from src.agents.base import BaseAgent
-from ddgs import DDGS
+from duckduckgo_search import DDGS  # <--- FIXED IMPORT
 
 class ResearcherAgent(BaseAgent):
     def __init__(self, engine):
-        super().__init__(engine, "researcher") # Now uses Qwen-14B
+        super().__init__(engine, "researcher")
 
     def search(self, query: str):
         try:
             with DDGS() as ddgs:
+                # Max results 4 is usually enough for context
                 results = list(ddgs.text(query, max_results=4))
                 if not results: return "Search returned no results."
                 return str(results)