🐛 fix: address PR review feedback from Copilot

- Fix spelling error: "Verion" → "Version" in CLAUDE.md
- Fix type hint: use Optional[str] for escape_toon parameter
- Fix bare except: use except Exception per PEP 8

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

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

Author: retsohuang

CLAUDE.md

@@ -6,7 +6,7 @@ This file provides guidance to Claude Code (claude.ai/code) when working with co
 
 Retso Marketplace is a custom plugin marketplace for Claude Code. It's a Bun monorepo containing plugins, a CLI installer, and the marketplace registry.
 
-## Verion Bumping
+## Version Bumping
 
 Only bump versions when explicitly requested.
 

plugins/code-review-tools/skills/code-review/scripts/cli.py

@@ -84,7 +84,7 @@ def get_commit_diff(commit_hash: str) -> str:
     return run_git(['show', '--patch', '--stat', '--color=never', commit_hash])
 
 
-def escape_toon(s: str) -> str:
+def escape_toon(s: Optional[str]) -> str:
     """Escape a string for TOON format"""
     if s is None:
         return 'null'
@@ -136,7 +136,7 @@ def get_current_branch() -> str:
     try:
         output = run_git(['rev-parse', '--abbrev-ref', 'HEAD'])
         return output.strip()
-    except:
+    except Exception:
         return 'HEAD'