Add CompanyTable model and refactor query handling; update requirements for new dependencies

app/main.py

@@ -1,16 +1,14 @@
 import io
-
+from api import investors
 import pandas as pd
-from app.db.db import db_dependency, init_database
+from db.db import db_dependency
 from fastapi import FastAPI, File, UploadFile
-from app.services.openrouter import InvestorProcessor
-
-from app.pydantic_schemas import QueryRequest, QueryResponseList
-from app.services.langgraph_agent import LangGraphQueryAgent
+from services.openrouter import InvestorProcessor
+from services.querying import QueryProcessor
 
 app = FastAPI()
-
-init_database()
+app.include_router(investors.router)
+# init_database()
 
 
 @app.get("/")
@@ -32,11 +30,11 @@ async def parse_csv(db: db_dependency, file: UploadFile = File(...)):
     return {"results": [r.dict() for r in results]}
 
 
-@app.post("/query", response_model=QueryResponseList)
-async def query_investors(db: db_dependency, request: QueryRequest):
-    agent = LangGraphQueryAgent(sql_session=db)
-    result = agent.run(request.question)
-    return result
+@app.post("/query")
+async def query_investors(db: db_dependency, question: str):
+    processor = QueryProcessor(sql_session=db)
+    results = processor.process_query(question)
+    return {"results": results}
 
 
 if __name__ == "__main__":