feat(bin): x-pr-comments - fetch GitHub PR comments

local/bin/x-pr-comments.md

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+# x-pr-comments
+
+---
+
+## Usage
+
+```bash
+x-pr-comments <pr-number>                    # When run inside a git repository
+x-pr-comments <github-pr-url>                # Direct GitHub PR URL
+x-pr-comments -h|--help                      # Show help
+```
+
+Fetches GitHub Pull Request comments and review suggestions, formats them
+for LLM analysis with processing instructions and API endpoints for detailed
+examination.
+
+## Examples
+
+```bash
+x-pr-comments 1                              # PR #1 in current repo
+x-pr-comments https://github.com/user/repo/pull/1
+```
+
+## Requirements
+
+- GitHub CLI (`gh`) installed and authenticated
+- Internet connection for GitHub API access
+- Git repository context for PR number usage
+
+<!-- vim: set ft=markdown spell spelllang=en_us cc=80 : -->