refactor: optimize setting view

frontend/src/App.vue

@@ -46,8 +46,8 @@ const activeTab = ref<SettingsTab>('general')
 // a one-line change. The label values match the user-facing tab names.
 const sidebarItems: Array<{ id: SettingsTab; label: string }> = [
   { id: 'general', label: 'General' },
-  { id: 's3', label: 'S3-Conf' },
-  { id: 'ssh', label: 'SSH-Conf' },
+  { id: 's3', label: 'S3' },
+  { id: 'ssh', label: 'SSH' },
 ]
 
 interface OverlayPayload {

frontend/src/views/SettingsView.vue

@@ -78,7 +78,7 @@ function defaultConfig(): AppConfig {
       host: '',
       port: 22,
       user: '',
-      authMethod: 'builtin',
+      authMethod: 'password',
       password: '',
       pathPrefix: 'snapgo/',
       strictHostKey: false,
@@ -286,7 +286,8 @@ onMounted(load)
           <label class="field">
             <span>Auth method</span>
             <select v-model="config.ssh.authMethod">
-              <option value="builtin">Password / Key</option>
+              <option value="password">Password</option>
+              <option value="key">SSH-Key</option>
               <option value="kerberos">Kerberos</option>
             </select>
           </label>
@@ -295,10 +296,10 @@ onMounted(load)
             <input v-model="config.ssh.user" placeholder="ubuntu" />
           </label>
           <label
-            v-if="config.ssh.authMethod !== 'kerberos'"
+            v-if="config.ssh.authMethod === 'password'"
             class="field"
           >
-            <span>Password (optional)</span>
+            <span>Password</span>
             <input v-model="config.ssh.password" type="password" />
           </label>
         </div>
@@ -340,16 +341,21 @@ onMounted(load)
       </div>
       <p v-if="config.ssh.authMethod === 'kerberos'" class="hint">
         Kerberos mode delegates to the system <code>ssh</code>/<code>scp</code>.
-        Run <code>kinit {{ config.ssh.user || 'user' }}@BYTEDANCE.COM</code> in a terminal first; tickets
+        Run <code>kinit your.name@BYTEDANCE.COM</code> in a terminal first; tickets
         expire (typically every 10–24h), so re-run <code>kinit</code> if uploads
         start failing. Verify with <code>klist</code>.
       </p>
+      <p v-else-if="config.ssh.authMethod === 'key'" class="hint">
+        SSH-Key mode uses your <code>ssh-agent</code> and <code>~/.ssh/id_*</code>
+        keys. Make sure password-less login already works (e.g. via
+        <code>ssh-copy-id</code>).
+      </p>
       <p
-        v-else-if="!config.ssh.password"
+        v-else-if="config.ssh.authMethod === 'password' && !config.ssh.password"
         class="hint warn"
       >
-        Password is empty — please make sure password-less SSH is configured on
-        this machine (e.g. via <code>ssh-copy-id</code> or your <code>ssh-agent</code>).
+        Password is empty — enter the remote login password, or switch the auth
+        method to SSH-Key.
       </p>
 
       <div class="actions">