chore: configure devcontainer

tests/test_jax_init.py

@@ -0,0 +1,22 @@
+import jax
+import sys
+
+def verify_jax():
+    print(f"Python version: {sys.version}")
+    print(f"JAX version: {jax.__version__}")
+    
+    devices = jax.devices()
+    print(f"Available devices: {devices}")
+    
+    gpu_found = any(d.device_kind == 'gpu' for d in devices)
+    if gpu_found:
+        print("SUCCESS: GPU detected!")
+    else:
+        print("INFO: Only CPU detected (expected if not in GPU-enabled environment/container).")
+
+if __name__ == "__main__":
+    try:
+        verify_jax()
+    except Exception as e:
+        print(f"ERROR during JAX initialization: {e}")
+        sys.exit(1)