Fix Space launch: bind 0.0.0.0:7860

app.py

@@ -557,11 +557,9 @@ def build() -> gr.Blocks:
 if __name__ == "__main__":
     app = build()
     app.queue(default_concurrency_limit=1, max_size=20)
-    if _ON_ZEROGPU or os.environ.get("SPACE_ID"):
-        # On HF Spaces the platform supplies host/port.
-        app.launch()
-    else:
-        app.launch(
-            server_name="0.0.0.0",
-            server_port=int(os.environ.get("PORT", "8080")),
-        )
+    # On HF Spaces the server must bind 0.0.0.0:7860 (localhost is not reachable
+    # through the platform proxy).
+    app.launch(
+        server_name="0.0.0.0",
+        server_port=int(os.environ.get("PORT", "7860")),
+    )