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/utils.js

@@ -20,6 +20,21 @@ function escapeHtml(str) {
     .replace(/'/g, ''');
 }
 
+/**
+ * Unescape HTML entities back to original characters
+ * @param {string} str - String with HTML entities
+ * @returns {string} String with entities decoded
+ */
+function unescapeHtml(str) {
+  if (typeof str !== 'string') return str;
+  return str
+    .replace(/"/g, '"')
+    .replace(/'/g, "'")
+    .replace(/&lt;/g, '<')
+    .replace(/&gt;/g, '>')
+    .replace(/&amp;/g, '&');
+}
+
 /**
  * Truncate text to specified maximum length
  * @param {string} text - Text to truncate