Allow the the code-review Claude command to update and resolve existing PR comments

Author: codedmonkey

.claude/commands/code-review.md

@@ -15,7 +15,6 @@ To do this, follow these steps precisely:
    - The pull request is closed
    - The pull request is a draft
    - The pull request does not need code review (e.g. automated PR, trivial change that is obviously correct)
-   - Claude has already commented on this PR (check `gh pr view <PR> --comments` for comments left by claude)
 
    If any condition is true, stop and do not proceed.
 
@@ -73,10 +72,13 @@ Note: Still review Claude generated PR's.
    - For small, self-contained fixes, include a committable suggestion block
    - For larger fixes (6+ lines, structural changes, or changes spanning multiple locations), describe the issue and suggested fix without a suggestion block
    - Never post a committable suggestion UNLESS committing the suggestion fixes the issue entirely. If follow up steps are required, do not leave a committable suggestion.
+   - If there's already a previous inline comment for the issue, update it instead of creating a new inline comment.
    - Suffix every comment body with: "Generated by AI (Anthropic Claude, [model name of the agent posting the comment])"
 
    **IMPORTANT: Only post ONE comment per unique issue. Do not post duplicate comments.**
 
+10. Check for previous comments from Claude about issues that are not present anymore and resolve the conversation.
+
 Use this list when evaluating issues in Steps 4 and 5 (these are false positives, do NOT flag):
 
 - Pre-existing issues