fixed the bugs

app.py

@@ -125,7 +125,7 @@ def add_item(mode: str, uploaded_image, text_description: str):
 # -------------------------
 # App logic: search
 # -------------------------
-def search_items(query_image, query_text, limit: int = 5):
+def search_items(query_image, query_text, limit: int = 5, min_score: float = 0.90):
     if query_image is not None:
         qvec = embed_image_pil(query_image).tolist()
     elif query_text and len(query_text.strip()) > 0:
@@ -143,11 +143,18 @@ def search_items(query_image, query_text, limit: int = 5):
 
     results = []
     for h in hits:
-        payload = h.payload or {}
         score = getattr(h, "score", None)
+        if score is None or score < min_score:  # filter by threshold
+            continue  
+
+        payload = h.payload or {}
         results.append(
-            f"id:{h.id} | score:{float(score) if score else None:.4f} | mode:{payload.get('mode','')} | tags:{payload.get('tags','')} | text:{payload.get('text','')}"
+            f"id:{h.id} | score:{score:.4f} | mode:{payload.get('mode','')} | tags:{payload.get('tags','')} | text:{payload.get('text','')}"
         )
+
+    if not results:
+        return f"No results above similarity threshold {min_score:.2f}"
+
     return "\n\n".join(results)
 
 # -------------------------
@@ -166,11 +173,13 @@ with gr.Blocks(title="Lost & Found — Simple Helper") as demo:
             gr.Markdown("### 🔍 Search")
             query_img = gr.Image(type="pil", label="Search by image (optional)")
             query_text = gr.Textbox(lines=2, label="Search by text (optional)")
+            limit_slider = gr.Slider(1, 10, value=5, step=1, label="Max results")
+            score_slider = gr.Slider(0.0, 1.0, value=0.90, step=0.01, label="Min similarity score")
             search_btn = gr.Button("🔎 Search")
             search_out = gr.Textbox(label="Search results", interactive=False)
 
     add_btn.click(add_item, inputs=[mode, upload_img, text_desc], outputs=[add_out])
-    search_btn.click(search_items, inputs=[query_img, query_text], outputs=[search_out])
+    search_btn.click(search_items, inputs=[query_img, query_text, limit_slider, score_slider], outputs=[search_out])
 
 if __name__ == "__main__":
     demo.launch(server_name="0.0.0.0", server_port=7860)