refactor(code-review): remove redundancy and clarify halt instruction

- Remove redundant "Do NOT proceed to the next step" (halt already means this)
- Change "item" to "criterion" (more precise terminology)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

src/modules/bmm/workflows/4-implementation/code-review/steps/step-01-load-story.md

@@ -117,5 +117,5 @@ Before proceeding to the next step, verify ALL of the following:
 - `git_discrepancies` calculated
 - Explicit NEXT directive provided
 
-**If any item is not met:** Report to the user immediately and HALT the workflow. Do NOT proceed to the next step.
+**If any criterion is not met:** Report to the user immediately and HALT the workflow.