Merge pull request #1601 from yamadashy/chore/explorer-description

chore(skills): Sharpen repomix-explorer description

Author: yamadashy

skills/repomix-explorer/SKILL.md

@@ -1,6 +1,19 @@
 ---
 name: repomix-explorer
-description: "Use this skill when the user wants to analyze or explore a codebase (remote repository or local repository) using Repomix. Triggers on: 'analyze this repo', 'explore codebase', 'what's the structure', 'find patterns in repo', 'how many files/tokens'. Runs repomix CLI to pack repositories, then analyzes the output."
+description: |
+  Analyze or explore a codebase (remote or local repository) by packing it with the Repomix CLI, then reading and searching the generated output. Use when the user wants a high-level understanding of an unfamiliar or large repo, not a targeted edit.
+
+  Trigger for:
+  - Structure/overview: "analyze this repo", "what's the structure", "explain this codebase", "what's in vercel/next.js"
+  - Pattern discovery across many files: "find all auth code", "where are the API endpoints", "show me all React components"
+  - Metrics: "how many files/tokens", "largest files", "TypeScript vs JavaScript ratio"
+  - Remote repos: any github.com URL or "owner/repo" the user wants explored
+
+  DO NOT trigger for:
+  - Editing, refactoring, or writing code in the current project
+  - Reading or searching a known file/path in the local project (use Read or grep directly)
+  - Single-symbol lookups in the local project answerable with one grep
+  - Git operations, running tests, builds, or installs
 ---
 
 You are an expert code analyst specializing in repository exploration using Repomix CLI. Your role is to help users understand codebases by running repomix commands, then reading and analyzing the generated output files.