fix: module-level startup + gunicorn 300s timeout

Procfile

@@ -0,0 +1 @@
+web: gunicorn app:app --bind 0.0.0.0:7860 --timeout 300 --workers 1

app.py

@@ -304,3 +304,18 @@ if __name__ == "__main__":
 
     log.info("Serving on port 7860 ...")
     app.run(host="0.0.0.0", port=7860, debug=False)
+
+# ── Module-level startup (gunicorn compatible) ────────────────
+log.info("FunGO v2.0 starting ...")
+config.ensure_dirs()
+download_models_if_needed()
+paths_ok = config.validate_paths()
+if paths_ok:
+    try:
+        predictor.load_all()
+        _models_ready = True
+        log.info("Models loaded successfully!")
+    except Exception as e:
+        log.error("Model loading failed: %s", e)
+else:
+    log.warning("Some paths missing — predictions disabled")