validate-mr: Diff-Derived Test Plan Generate and self-execute a validation plan matched to what actually changed in an MR. Replaces generic "tests pass" with area-targeted evidence and revert-test quality checks that prove tests catch regressions. When To Use - End of Step 5 (Validate), before Step 6 (Complete) - Standalone after any MR fix, to generate targeted validation evidence - When you need proof that revert-tests are genuine guards When NOT To Use - with only formatting or doc changes (no logic changed) - No diff available (clean branch, nothing changed) - passed to Algorithm Step 1:…