🎉 init: 小龙的工作空间

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+---
+name: code-explorer
+description: Search and explore codebases with CodeGraph. Symbol lookup, caller/callee analysis, impact analysis, BFS graph traversal.
+metadata: { "openclaw": { "emoji": "🔍" } }
+---
+
+# Code Explorer — CodeGraph Knowledge Graph
+
+Query codebases through a pre-indexed SQLite knowledge graph with FTS5 full-text search and BFS graph traversal.
+
+## When to Use
+
+- **"Where is X defined?"** → `search`
+- **"Who calls X?"** → `callers`
+- **"What does X call?"** → `callees`
+- **"What's the impact of changing X?"** → `impact`
+- **"How does the codebase handle auth?"** → `search` + `callers`
+- **Before grep/glob** — CodeGraph is faster and more structured
+
+## Setup
+
+```bash
+# Index a codebase (only needed once, or after major changes)
+node src/codegraph/index.js index <project_dir>
+
+# Force re-index
+node src/codegraph/index.js index . --force
+
+# Check index stats
+node src/codegraph/index.js stats
+```
+
+## Commands
+
+### Search symbols
+
+```bash
+node src/codegraph/index.js search "function_name"
+node src/codegraph/index.js search "auth" --limit 10
+```
+
+### Caller/callee analysis
+
+```bash
+node src/codegraph/index.js callers "login"
+node src/codegraph/index.js callees "main"
+```
+
+### Impact analysis (BFS traversal)
+
+```bash
+node src/codegraph/index.js impact "AuthService"
+```
+
+### Deep exploration (search + BFS context)
+
+```bash
+node src/codegraph/index.js explore "how to send HTTP requests"
+```
+
+## Languages Supported
+
+JavaScript/TypeScript, Python, Rust, Go, Java, Ruby, Shell, C/C++
+
+Extraction via regex grammars (8 languages, 8+ node types: function/class/method/struct/enum/import/export)
+
+## Database
+
+SQLite at `.codegraph/codegraph.db` with:
+- `nodes` — symbols (name, kind, signature, location)
+- `edges` — relationships (calls, imports, extends, implements)
+- `files` — file metadata with hash-based incremental sync
+- `nodes_fts` — FTS5 full-text search index
+
+## Integration Pattern
+
+```
+Query codebase → codegraph search → symbol list → codegraph callers → call graph
+                                                              ↓
+                                                     codegraph impact → affected files
+```
+
+## File Path
+
+- `src/codegraph/index.js` — main entry (index, search, callers, callees, impact, explore)
+- `src/codegraph/schema.sql` — SQLite schema