code refactor & sync bugfixes

renderer/app.js

@@ -1970,6 +1970,12 @@ function wireEvents() {
   })
   qs('#btn-settings-save').addEventListener('click', saveSettings)
   qs('#btn-open-files').addEventListener('click', () => window.plwl.shellOpenPath(window.plwl.FILES_DIR))
+  qs('#btn-clear-hash-cache').addEventListener('click', async () => {
+    const ok = await confirmModal(t('settings.hashCacheClearConfirm'), t('settings.clearHashCache'))
+    if (!ok) return
+    await window.plwl.lansyncClearHashCache()
+    toast(t('settings.hashCacheCleared'), 'success')
+  })
   qs('#btn-gc-back').addEventListener('click', () => showView('library'))
   qs('#btn-gc-save').addEventListener('click', saveGameConfig)
   qs('#btn-gc-shortcut').addEventListener('click', createAppShortcut)

renderer/index.html

@@ -103,6 +103,13 @@
             <button class="button" id="btn-open-files" data-t="settings.openFiles"></button>
           </div>
         </div>
+        <div class="form-card">
+          <h2 data-t="settings.hashCache"></h2>
+          <p class="subtitle" data-t="settings.hashCacheHint"></p>
+          <div class="form-actions">
+            <button class="button danger" id="btn-clear-hash-cache" data-t="settings.clearHashCache"></button>
+          </div>
+        </div>
       </section>
 
       <section id="view-lansync" class="view">