Add internationalization support for help view and implement help rendering logic

- Introduced `help-i18n.js` for managing translations in Chinese and English for the help view.
- Created `help.js` to render the help view, including command categories, workflow diagrams, and CodexLens quick-start.
- Implemented search functionality with debounce for command filtering.
- Added workflow diagram rendering with Cytoscape.js integration.
- Developed tests for write-file verification, ensuring proper handling of small and large JSON files.

ccw/src/templates/dashboard-js/components/navigation.js

@@ -135,6 +135,8 @@ function initNavigation() {
         renderClaudeManager();
       } else if (currentView === 'graph-explorer') {
         renderGraphExplorer();
+      } else if (currentView === 'help') {
+        renderHelpView();
       }
     });
   });
@@ -171,6 +173,8 @@ function updateContentTitle() {
     titleEl.textContent = t('title.claudeManager');
   } else if (currentView === 'graph-explorer') {
     titleEl.textContent = t('title.graphExplorer');
+  } else if (currentView === 'help') {
+    titleEl.textContent = t('title.helpGuide');
   } else if (currentView === 'liteTasks') {
     const names = { 'lite-plan': t('title.litePlanSessions'), 'lite-fix': t('title.liteFixSessions') };
     titleEl.textContent = names[currentLiteType] || t('title.liteTasks');