Bust build cache; pin numpy>=2 at build + runtime upgrade after chumpy chain

app.py

@@ -59,6 +59,10 @@ def _install_runtime_packages():
         [sys.executable, "-m", "pip", "install", "--quiet", "--no-build-isolation"]
         + _NO_ISOLATION_PACKAGES, check=True,
     )
+    # Ensure numpy>=2 — chumpy transitive chain can pin it back to 1.26.4
+    subprocess.run(
+        [sys.executable, "-m", "pip", "install", "--quiet", "--upgrade", "numpy>=2"], check=True,
+    )
     subprocess.run(
         [sys.executable, "-m", "pip", "install", "--quiet", "--no-deps"]
         + _NO_DEPS_PACKAGES, check=True,

requirements.txt

@@ -1,5 +1,6 @@
-# HuggingFace ZeroGPU Space — Gradio SDK
+# HuggingFace ZeroGPU Space — Gradio SDK  [cache-bust: 2]
 spaces
+numpy>=2
 
 # Git-pinned installs
 # NOTE: hmr2, chumpy, skel, nvdiffrast, diso, detectron2 are installed at runtime