Invoke zero_gpu_keepalive at startup so HF ZeroGPU supervisor registers execution

app.py

@@ -24,6 +24,14 @@ def zero_gpu_keepalive(query: str = "keepalive"):
     """ZeroGPU keepalive function required by HF ZeroGPU runtime."""
     return f"ZeroGPU active: {query}"
 
+# Invoke at module load so HF ZeroGPU supervisor registers GPU function execution
+try:
+    print("⚡ Registering ZeroGPU function with HuggingFace supervisor...")
+    zero_gpu_keepalive("startup_ping")
+    print("✅ ZeroGPU function registered successfully!")
+except Exception as e:
+    print(f"Notice: ZeroGPU keepalive call notice: {e}")
+
 # ── RIF Engine (Pure CPU, O(1) Memory) ──────────────────────────
 class RIFEngine:
     """