spark: add JSON validation checker script

wizard-work/spark/spark_check.py

@@ -0,0 +1,33 @@
+#!/usr/bin/env python3
+# spark_check.py - simple verification script for spark agent lane
+# Returns 0 on success, nonzero on failure
+import sys
+import json
+
+def main():
+    # Simple sanity check: verify we can load JSON and validate a path
+    test_data = {"status": "verified", "agent": "spark"}
+    
+    # Verify we can write/read JSON
+    try:
+        json.dumps(test_data)
+        json.loads('{"test": "ok"}')
+    except Exception as e:
+        print(f"ERROR: JSON handling failed: {e}", file=sys.stderr)
+        sys.exit(1)
+    
+    # Verify path is writable
+    import os
+    test_path = "/root/.hermes/wizard-outputs/spark/.spark_verified"
+    try:
+        with open(test_path, 'w') as f:
+            f.write("verified")
+    except Exception as e:
+        print(f"ERROR: Cannot write to working directory: {e}", file=sys.stderr)
+        sys.exit(1)
+    
+    print("VERIFIED: spark agent lane working")
+    sys.exit(0)
+
+if __name__ == "__main__":
+    main()