Fix WebUI search results

webui/app/main.py

@@ -246,22 +246,26 @@ async def upload_file(
 
 @app.get("/search")
 async def search_form(request: Request):
-    return templates.TemplateResponse("search.html", {"request": request, "query": "", "results": []})
+    return templates.TemplateResponse(
+        "search.html",
+        {"request": request, "query": "", "results": [], "limit": 10, "error": None},
+    )
 
 
 @app.get("/search/results")
 async def search_results(request: Request, q: str = "", limit: int = 10):
     client = get_client()
     results = []
+    error = None
     if q:
         try:
             data = await client.post("/search", json={"query": q, "library_id": None, "limit": limit})
             results = data.get("results", [])
-        except Exception:
-            results = []
+        except Exception as exc:
+            error = str(exc)
     return templates.TemplateResponse(
         "search.html",
-        {"request": request, "query": q, "results": results, "limit": limit},
+        {"request": request, "query": q, "results": results, "limit": limit, "error": error},
     )