spark: add Python env health check script

wizard-work/spark/python-env-check.py

@@ -0,0 +1,53 @@
+#!/usr/bin/env python3
+"""Python environment health check - verifies key packages are available."""
+
+import sys
+import json
+from datetime import datetime, timezone
+
+def check_module(name):
+    try:
+        __import__(name)
+        return {"status": "ok", "available": True}
+    except ImportError as e:
+        return {"status": "missing", "available": False, "error": str(e)}
+
+def check_package(name, import_name=None):
+    import_name = import_name or name
+    try:
+        mod = __import__(import_name)
+        version = getattr(mod, '__version__', 'unknown')
+        return {"status": "ok", "version": version, "available": True}
+    except ImportError as e:
+        return {"status": "missing", "available": False, "error": str(e)}
+
+def main():
+    results = {
+        "python": {
+            "status": "ok",
+            "version": sys.version,
+            "executable": sys.executable
+        },
+        "packages": {
+            "json": check_module("json"),
+            "subprocess": check_module("subprocess"),
+            "datetime": check_module("datetime"),
+        }
+    }
+    
+    all_ok = all(
+        p.get("status") == "ok" or p.get("available", False)
+        for p in results["packages"].values()
+    )
+    
+    output = {
+        "all_ok": all_ok,
+        "timestamp": datetime.now(timezone.utc).isoformat(),
+        "components": results
+    }
+    
+    print(json.dumps(output, indent=2))
+    sys.exit(0 if all_ok else 1)
+
+if __name__ == "__main__":
+    main()