spark: add fibonacci verification artifact

wizard-work/spark/fibonacci_verifier.py

@@ -0,0 +1,51 @@
+#!/usr/bin/env python3
+"""Fibonacci number verification - concrete testable artifact."""
+
+def fib(n: int) -> int:
+    """Compute the nth Fibonacci number."""
+    if n <= 0:
+        return 0
+    if n == 1:
+        return 1
+    a, b = 0, 1
+    for _ in range(2, n + 1):
+        a, b = b, a + b
+    return b
+
+def verify_fibs():
+    """Verify known Fibonacci numbers."""
+    # Known Fibonacci values
+    expected = {
+        0: 0,
+        1: 1,
+        2: 1,
+        3: 2,
+        4: 3,
+        5: 5,
+        6: 8,
+        7: 13,
+        8: 21,
+        9: 34,
+        10: 55,
+        15: 610,
+        20: 6765,
+    }
+    
+    errors = []
+    for n, expected_val in expected.items():
+        actual = fib(n)
+        if actual != expected_val:
+            errors.append(f"fib({n}) = {actual}, expected {expected_val}")
+    
+    if errors:
+        for e in errors:
+            print(f"ERROR: {e}")
+        return False
+    
+    print("All Fibonacci verifications passed")
+    return True
+
+if __name__ == "__main__":
+    import sys
+    success = verify_fibs()
+    sys.exit(0 if success else 1)

wizard-work/spark/verify_fibonacci.py

@@ -0,0 +1,20 @@
+#!/usr/bin/env python3
+"""Verification script for fibonacci_verifier.py artifact."""
+import sys
+import subprocess
+
+result = subprocess.run(
+    [sys.executable, '/root/.hermes/wizard-outputs/spark/fibonacci_verifier.py'],
+    capture_output=True,
+    text=True
+)
+
+# Check that output contains the success message
+if "All Fibonacci verifications passed" in result.stdout and result.returncode == 0:
+    print("VERIFICATION PASSED")
+    sys.exit(0)
+else:
+    print("VERIFICATION FAILED")
+    print(result.stdout)
+    print(result.stderr)
+    sys.exit(1)