Upd ZeroGPU caller

.gitignore

@@ -1,3 +1,4 @@
 local
 *.json
-.env*
+.env*
+gradio.py

app.py

@@ -252,6 +252,52 @@ def zero_gpu_probe():
     """
     return "ready"
 
+# GPU-bound handler for Gradio button; ensures ZeroGPU detects usage
+@spaces.GPU
+def handle_transcribe_gr(audio_file):
+    if audio_file is None:
+        return (
+            "❌ Please upload an audio file first.",
+            "",
+            gr.update(visible=False),
+            gr.update(visible=False),
+            gr.update(visible=False),
+            gr.update(visible=False)
+        )
+    try:
+        # Ensure pipeline is initialized
+        initialize_model()
+        print(f"[gradio] received filepath={audio_file}")
+        res = transcribe_audio(audio_file)
+        if res.get("success"):
+            txt = res["text"]
+            return (
+                f"✅ Transcription completed! ({len(txt)} characters)",
+                txt,
+                gr.update(visible=True, value=txt),
+                gr.update(visible=True),   # show summarize button
+                gr.update(visible=False),  # hide summary output initially
+                gr.update(visible=True)    # show download button
+            )
+        return (
+            f"❌ Error: {res.get('error','Unknown error')}",
+            "",
+            gr.update(visible=False),
+            gr.update(visible=False),
+            gr.update(visible=False),
+            gr.update(visible=False)
+        )
+    except Exception as e:
+        print(f"[gradio] handle_transcribe_gr ERROR: {e}")
+        return (
+            f"❌ Unexpected error: {str(e)}",
+            "",
+            gr.update(visible=False),
+            gr.update(visible=False),
+            gr.update(visible=False),
+            gr.update(visible=False)
+        )
+
 # Create the enhanced Gradio interface
 def create_interface():
     """Create an enhanced Gradio interface with proper layout"""
@@ -360,55 +406,8 @@ def create_interface():
                 - **GPU**: ZeroGPU powered
                 """)
         
-        # Event handlers
-        def transcribe_and_update(audio_file):
-            """Handle transcription and update UI"""
-            if audio_file is None:
-                return (
-                    "❌ Please upload an audio file first.",
-                    "",
-                    gr.update(visible=False),
-                    gr.update(visible=False),
-                    gr.update(visible=False),
-                    gr.update(visible=False)
-                )
-            
-            try:
-                # Initialize model if needed
-                initialize_model()
-                
-                # Transcribe
-                result = transcribe_audio(audio_file)
-                
-                if result.get("success"):
-                    transcription_text = result["text"]
-                    return (
-                        f"✅ Transcription completed! ({len(transcription_text)} characters)",
-                        transcription_text,
-                        gr.update(visible=True, value=transcription_text),
-                        gr.update(visible=True),  # Show summarize button
-                        gr.update(visible=False),  # Hide summary output initially
-                        gr.update(visible=True)   # Show download button
-                    )
-                else:
-                    return (
-                        f"❌ Error: {result.get('error', 'Unknown error')}",
-                        "",
-                        gr.update(visible=False),
-                        gr.update(visible=False),
-                        gr.update(visible=False),
-                        gr.update(visible=False)
-                    )
-                    
-            except Exception as e:
-                return (
-                    f"❌ Unexpected error: {str(e)}",
-                    "",
-                    gr.update(visible=False),
-                    gr.update(visible=False),
-                    gr.update(visible=False),
-                    gr.update(visible=False)
-                )
+        # Event handlers (GPU-bound)
+        # (Handlers that run on GPU must be module-level functions to be detected by ZeroGPU)
         
         def summarize_content(transcription_text):
             """Summarize the transcription using Gemini"""
@@ -493,7 +492,7 @@ def create_interface():
         
         # Connect events
         transcribe_btn.click(
-            fn=transcribe_and_update,
+            fn=handle_transcribe_gr,
             inputs=[audio_input],
             outputs=[status_text, transcription_output, summarize_btn, summary_output, download_btn],
             show_progress=True