feat: Implement Skills Manager View and Notifier Module

- Added `skills-manager.js` for managing Claude Code skills with functionalities for loading, displaying, and editing skills.
- Introduced a Notifier module in `notifier.ts` for CLI to server communication, enabling notifications for UI updates on data changes.
- Created comprehensive documentation for the Chain Search implementation, including usage examples and performance tips.
- Developed a test suite for the Chain Search engine, covering basic search, quick search, symbol search, and files-only search functionalities.

.claude/rules/active_memory.md

@@ -1,13 +0,0 @@
-# Active Memory
-
-> Auto-generated understanding of frequently accessed files using GEMINI.
-> Last updated: 2025-12-13T15:15:52.148Z
-> Files analyzed: 10
-> CLI Tool: gemini
-
----
-
-[object Object]
-
----
-

.claude/rules/active_memory_config.json

@@ -1,4 +0,0 @@
-{
-  "interval": "manual",
-  "tool": "gemini"
-}

.claude/workflows/tool-strategy.md

@@ -52,16 +52,22 @@ mcp__ccw-tools__read_file(paths="src/", contentPattern="TODO")     # Regex searc
 
 ### codex_lens
 
-**When to Use**: Code indexing and semantic search
+**When to Use**: Code indexing, semantic search, cache management
 
 ```
 mcp__ccw-tools__codex_lens(action="init", path=".")
 mcp__ccw-tools__codex_lens(action="search", query="function main", path=".")
 mcp__ccw-tools__codex_lens(action="search_files", query="pattern", limit=20)
 mcp__ccw-tools__codex_lens(action="symbol", file="src/main.py")
+mcp__ccw-tools__codex_lens(action="status")
+mcp__ccw-tools__codex_lens(action="config_show")
+mcp__ccw-tools__codex_lens(action="config_set", key="index_dir", value="/path")
+mcp__ccw-tools__codex_lens(action="config_migrate", newPath="/new/path")
+mcp__ccw-tools__codex_lens(action="clean", path=".")
+mcp__ccw-tools__codex_lens(action="clean", all=true)
 ```
 
-**Actions**: `init`, `search`, `search_files`, `symbol`, `status`, `update`
+**Actions**: `init`, `search`, `search_files`, `symbol`, `status`, `config_show`, `config_set`, `config_migrate`, `clean`
 
 ### smart_search