feat(ccw): Add count-based memory update strategy and fix MCP card click

- Add count-based update strategy for memory hooks (threshold-based triggering)
- Add threshold config field (default: 10, range: 3-50)
- Add i18n translations for count-based strategy (EN/ZH)
- Fix MCP card click not responding due to HTML entity encoding in JSON
- Add unescapeHtml() utility function for decoding HTML entities
- Move stopPropagation from container div to individual buttons
- Change CCW MCP install to use cmd /c npx -y format for Windows

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

ccw/src/templates/dashboard-js/views/hook-manager.js

@@ -221,6 +221,7 @@ function renderWizardCard(wizardId) {
     if (wizardId === 'memory-update') {
       if (optId === 'on-stop') return t('hook.wizard.onSessionEnd');
       if (optId === 'periodic') return t('hook.wizard.periodicUpdate');
+      if (optId === 'count-based') return t('hook.wizard.countBasedUpdate');
     }
     if (wizardId === 'memory-setup') {
       if (optId === 'file-read') return t('hook.wizard.fileReadTracker');
@@ -238,6 +239,7 @@ function renderWizardCard(wizardId) {
     if (wizardId === 'memory-update') {
       if (optId === 'on-stop') return t('hook.wizard.onSessionEndDesc');
       if (optId === 'periodic') return t('hook.wizard.periodicUpdateDesc');
+      if (optId === 'count-based') return t('hook.wizard.countBasedUpdateDesc');
     }
     if (wizardId === 'memory-setup') {
       if (optId === 'file-read') return t('hook.wizard.fileReadTrackerDesc');