From bc04d1c44a58ee5de972328f7a62d11c9251c210 Mon Sep 17 00:00:00 2001
From: Accusys <accusys@momentry.dev>
Date: Fri, 22 May 2026 10:56:29 +0800
Subject: [PATCH] fix: persist search query across refresh via sessionStorage

---
 docs_v1.0/doc_wasm/index.html | 21 ++++++++++++++++++---
 1 file changed, 18 insertions(+), 3 deletions(-)

diff --git a/docs_v1.0/doc_wasm/index.html b/docs_v1.0/doc_wasm/index.html
index 7893514..2799cfa 100644
--- a/docs_v1.0/doc_wasm/index.html
+++ b/docs_v1.0/doc_wasm/index.html
@@ -228,6 +228,7 @@ function showSearchResult(module, q) {
 }
 
 function clearSearch() {
+  sessionStorage.removeItem('doc_search_q');
   var el = document.getElementById('search');
   el.value = '';
   el.focus();
@@ -290,6 +291,8 @@ async function initApp() {
       var clearEl = document.getElementById('search-clear');
       searchEl.oninput = function() {
         var q = this.value.toLowerCase().trim();
+        if (q) { sessionStorage.setItem('doc_search_q', q); }
+        else { sessionStorage.removeItem('doc_search_q'); }
         clearEl.style.display = q ? 'block' : 'none';
         if (q.length < 2) {
           moduleListEl.style.display = '';
@@ -327,6 +330,7 @@ async function initApp() {
       try {
         await fetch('/api/v1/auth/logout', {method:'POST', credentials:'include'});
       } catch(_) {}
+      sessionStorage.removeItem('doc_search_q');
       // Clear client-side cookies
       document.cookie.split(';').forEach(function(c) {
         document.cookie = c.trim().split('=')[0] + '=; expires=Thu, 01 Jan 1970 00:00:00 GMT; path=/';
@@ -335,9 +339,20 @@ async function initApp() {
       showLoginForm();
     };
     
-    // Load initial module from hash or default
-    var hash = location.hash.slice(1);
-    await loadDoc(hash || '01_auth');
+    // Restore search query across page refresh
+    var savedQ = sessionStorage.getItem('doc_search_q');
+    if (savedQ) {
+      searchEl.value = savedQ;
+      clearEl.style.display = 'block';
+      moduleListEl.style.display = 'none';
+      searchResultsEl.style.display = 'block';
+      searchResultsEl.innerHTML = '<p style="font-size:13px;color:#888">Restoring search...</p>';
+      fulltextSearch(savedQ);
+    } else {
+      // Load initial module from hash or default
+      var hash = location.hash.slice(1);
+      await loadDoc(hash || '01_auth');
+    }
   } catch(e) {
     el.innerHTML = '<p style="color:red">Init error: ' + e.message + '</p><pre>'+e.stack+'</pre>';
   }