feat: add search filter to doc-wasm sidebar

docs_v1.0/doc_wasm/index.html

@@ -37,6 +37,7 @@ html, body { height: 100%; }
 <div id="app">
   <div class="sidebar" id="sidebar">
     <h1>Momentry Docs</h1>
+    <input id="search" type="text" placeholder="搜尋模組..." style="width:100%;padding:8px;margin-bottom:12px;border:1px solid #ddd;border-radius:6px;font-size:13px;box-sizing:border-box">
     <div id="module-list"></div>
     <div class="logout">
       <a id="logout-btn">Logout</a>
@@ -186,6 +187,16 @@ async function initApp() {
       a.onclick = function(e) { e.preventDefault(); loadDoc(m[0]); };
       listEl.appendChild(a);
     });
+    // Search filter
+    var searchEl = document.getElementById('search');
+    if (searchEl) {
+      searchEl.oninput = function() {
+        var q = this.value.toLowerCase();
+        document.querySelectorAll('#module-list a').forEach(function(a) {
+          a.style.display = a.textContent.toLowerCase().indexOf(q) >= 0 ? '' : 'none';
+        });
+      };
+    }
     // Watch for logout disappearing
     var lo = document.getElementById('logout-btn');
     if (lo) {