fix: env var overrides for campaign settings (hf_token, ollama_host etc)

backend/app/routers/notes.py

@@ -3,6 +3,7 @@ from pathlib import Path
 from fastapi import APIRouter, HTTPException, Request
 
 from .. import database as db, jobs
+from ..config import merge_campaign_settings_with_env
 from ..pipeline.turns import load_turns
 from ..pipeline.summarize import summarize_session
 
@@ -19,7 +20,7 @@ async def generate_notes(session_id: str, request: Request):
         raise HTTPException(400, "Session hasn't been transcribed yet")
 
     cid = session["campaign_id"] or "default"
-    settings = db.get_campaign_settings(cid)
+    settings = merge_campaign_settings_with_env(db.get_campaign_settings(cid))
     speaker_map = {r["raw_label"]: r["display_name"] for r in
                    db.get_conn().execute("SELECT raw_label, display_name FROM speakers WHERE session_id = ?", (session_id,))
                    if r["display_name"]}