feat(input): 精简输入栏版本控制与权限显示

- 版本控制按钮只显示「版本控制」，不再显示开/关状态
- 权限按钮去掉「权限：」前缀，右侧新增执行环境标签
  （沙箱=次要色 / 完全访问=警示黄），仅在宿主机模式显示

static/src/components/input/InputComposer.vue

@@ -390,7 +390,7 @@
           :disabled="!isConnected || streamingMessage"
           @click="$emit('open-versioning-dialog')"
         >
-          <span>版本控制：{{ versioningEnabled ? '开启' : '关闭' }}</span>
+          <span>版本控制</span>
         </button>
         <div class="permission-switcher__block">
           <button
@@ -399,7 +399,13 @@
             :disabled="!isConnected"
             @click="$emit('toggle-permission-menu')"
           >
-            <span>权限：{{ currentPermissionLabel }}</span>
+            <span>{{ currentPermissionLabel }}</span>
+            <span
+              v-if="executionModeEnabled"
+              class="permission-switcher__exec"
+              :class="{ 'permission-switcher__exec--warn': currentExecutionMode === 'direct' }"
+              >{{ currentExecutionShortLabel }}</span
+            >
             <span class="permission-switcher__caret" :class="{ open: permissionMenuOpen }">›</span>
           </button>
           <div
@@ -2746,11 +2752,11 @@ const currentPermissionLabel = computed(() => {
   return matched ? matched.label : props.currentPermissionMode;
 });
 
-const currentExecutionLabel = computed(() => {
-  const options = props.executionModeOptions || [];
-  const currentMode = String(props.currentExecutionMode || '');
-  const currentMatched = options.find((item) => item.value === currentMode);
-  return currentMatched ? currentMatched.label : currentMode;
+const currentExecutionShortLabel = computed(() => {
+  const mode = String(props.currentExecutionMode || '');
+  if (mode === 'direct') return '完全访问';
+  if (mode === 'sandbox') return '沙箱';
+  return mode;
 });
 
 const modelContextWindow = computed(() => {

static/src/styles/components/input/_composer.scss

@@ -528,6 +528,14 @@ body[data-theme='light'] {
   transition: transform 0.18s ease;
 }
 
+.permission-switcher__exec {
+  color: var(--text-secondary);
+}
+
+.permission-switcher__exec--warn {
+  color: var(--state-warning);
+}
+
 .permission-switcher__caret.open {
   transform: rotate(270deg);
 }