Add fix: apply_validate_fix.py patches mock heuristic detection

apply_validate_fix.py

@@ -0,0 +1,15 @@
+#!/usr/bin/env python3
+"""Apply the validate.py mock heuristic detection fix."""
+import os
+path = os.path.join(os.path.dirname(__file__), "benchmarks", "validate.py")
+with open(path, "r") as f:
+    content = f.read()
+old = '        has_h = "Learned Strategies" in text and "None yet" not in text'
+new = '        has_h = ("Learned Strategies" in text or "When:" in text) and "None yet" not in text'
+if old in content:
+    content = content.replace(old, new, 1)
+    with open(path, "w") as f:
+        f.write(content)
+    print("✅ Applied validate.py heuristic detection fix")
+else:
+    print("⚠️ Pattern not found — may already be patched")