feat(claudecode): update completion actions and clean up README

- Added new actions for `claude-quick` including 'optimize', 'refactor', 'test', and 'docs'.
- Removed redundant code from the `_claude_quick` function to streamline the completion process.
- Cleaned up the README by removing outdated usage examples for `claude-quick` to reflect the latest features.

plugins/claudecode/claudecode.plugin.zsh

@@ -123,7 +123,6 @@ _claude_tools() {
   _describe 'tools' tools
 }
 
-_claude "$@"
 EOF
 
   # Save current version to cache
@@ -241,6 +240,10 @@ _claude_quick() {
     'debug:Debug the given code or error'
     'review:Review the given code'
     'fix:Fix the given issue'
+    'optimize:Optimize the given code'
+    'refactor:Refactor the given code'
+    'test:Write tests for the given code'
+    'docs:Write documentation for the given code'
   )
 
   _describe 'actions' actions
@@ -441,23 +444,6 @@ _claude_pipe_enhanced() {
   _describe 'input formats' formats
 }
 
-# Update claude-quick completion
-_claude_quick() {
-  local -a actions
-  actions=(
-    'explain:Explain the given content'
-    'debug:Debug the given code or error'
-    'review:Review the given code'
-    'fix:Fix the given issue'
-    'optimize:Optimize the given code'
-    'refactor:Refactor the given code'
-    'test:Write tests for the given code'
-    'docs:Write documentation for the given code'
-  )
-
-  _describe 'actions' actions
-}
-
 compdef _claude_quick claude-quick
 compdef _claude_git claude-git
 compdef _claude_project claude-project