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app.py

@@ -189,6 +189,21 @@ def measure(audio_path: str) -> str:
     return json.dumps(rep.to_dict(), indent=2)
 
 
+def health() -> str:
+    """Report which optional layers are live: the CLAP semantic ear and the
+    written critique. Returns JSON."""
+    return json.dumps({
+        "semantic": semantic.SEMANTIC.status(),
+        "semantic_ready": semantic.SEMANTIC.ready,
+        "critique": llm.available()[1],
+    }, indent=2)
+
+
+def _status_line() -> str:
+    return (f"<sub>Semantic ear: {semantic.SEMANTIC.status()} · "
+            f"written critique: {llm.available()[1]}</sub>")
+
+
 def ableton_plan(audio_path: str, genre: str = "Dubstep / Riddim",
                  source: str = "Full mix / master",
                  track_index: str = "$MASTER") -> str:
@@ -346,6 +361,7 @@ with gr.Blocks(title="Second Ear") as demo:
                     analyse_capture,
                     inputs=[state, genre, source, live_intent, live_llm],
                     outputs=[cap_report, cap_text, cap_json],
+                    api_name=False,   # gr.State can't cross the MCP boundary
                 )
 
             # -------------------------------------------------------- bounce
@@ -401,10 +417,12 @@ with gr.Blocks(title="Second Ear") as demo:
                     api_name="ableton_plan",
                 )
 
-        gr.Markdown(
-            f"<sub>Semantic layer: {semantic.SEMANTIC.status()} · "
-            f"written critique: {llm.available()[1]}</sub>"
-        )
+        # Rendered per page load, not at import — the CLAP ear finishes warming
+        # up well after the Blocks tree is built.
+        status = gr.Markdown(_status_line())
+        demo.load(_status_line, outputs=status, api_name=False)
+        gr.Button("health", visible=False).click(
+            health, outputs=gr.Textbox(visible=False), api_name="health")
 
 
 if __name__ == "__main__":