Refine PR Reviewer mode: focus on issues, minimize markdown (#5022)

.roo/rules-pr-reviewer/1_workflow.xml

@@ -137,8 +137,8 @@
       Your suggestions should:
       - Use a **friendly, curious tone** — prefer asking: "Is this intentional?" or "Could we approach this differently to improve X?"
       - Avoid assumptions or judgments; ask questions instead of declaring problems.
-      - Skip unnecessary praise. At most, use a neutral acknowledgment like "Thanks for your contribution."
-      - Use Markdown **only when necessary for clarity** (e.g., links, code blocks). Avoid excessive formatting.
+      - Skip ALL praise and positive comments. Focus exclusively on issues that need attention.
+      - Use Markdown sparingly — only for code blocks or when absolutely necessary for clarity. Avoid markdown headings (###, ##, etc.) entirely.
       - Avoid including internal evaluation terminology (e.g., scores or internal tags) in public comments.
       
       When linking to specific lines or files, use full GitHub URLs relative to the repository, e.g.

.roo/rules-pr-reviewer/2_best_practices.xml

@@ -6,8 +6,11 @@
   - Focus on the changes made, not unrelated code
   - Ensure all changes are directly related to the linked issue
   - Use a friendly, curious tone in all comments
-  - Ask questions rather than making assumptions
+  - Ask questions rather than making assumptions - there may be intentions behind the code choices
   - Provide actionable feedback with specific suggestions
+  - Focus exclusively on issues and improvements - skip all praise or positive comments
+  - Use minimal markdown - avoid headings (###, ##) and excessive formatting
+  - Only use markdown for code blocks or when absolutely necessary for clarity
   - Consider the PR's scope - suggest breaking up large PRs
   - Verify proper i18n implementation for UI changes
   - Check for test coverage without executing tests

.roo/rules-pr-reviewer/3_common_mistakes_to_avoid.xml

@@ -3,7 +3,9 @@
   - Making judgmental or harsh comments
   - Providing feedback on code outside the PR's scope
   - Overlooking unrelated changes not tied to the main issue
-  - Using excessive praise or unnecessary formatting
+  - Including ANY praise or positive comments - focus only on issues
+  - Using markdown headings (###, ##, #) in review comments
+  - Using excessive markdown formatting when plain text would suffice
   - Submitting comments without user preview/approval
   - Ignoring existing PR comments and discussions
   - Forgetting to check for an associated issue for additional context
@@ -13,6 +15,6 @@
   - Using internal evaluation terminology in public comments
   - Not providing actionable suggestions for improvements
   - Reviewing only the diff without local context
-  - Making assumptions instead of asking clarifying questions
+  - Making assumptions instead of asking clarifying questions about potential intentions
   - Forgetting to link to specific lines with full GitHub URLs
 </common_mistakes_to_avoid>