feat: 更新前端页面

- Agents.vue: 大幅更新agent管理界面
- App.vue: 更新应用布局
- 各页面: 更新Account、Database、Knowledge、Memory、Script、Skill、Tools

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

web/src/views/Memory.vue

@@ -1,5 +1,6 @@
 <script setup lang="ts">
 import { ref, computed } from 'vue'
+import { formatDate } from '@/utils/format'
 import './database/database.css'
 
 interface MemoryItem {
@@ -22,7 +23,7 @@ const memories = ref<MemoryItem[]>([
     subject: '外部信息获取规范',
     attribute: '工具调用原则',
     score: 0.95,
-    createdAt: '3/10 15:35',
+    createdAt: '2026-03-10T15:35',
     selected: false
   },
   {
@@ -32,7 +33,7 @@ const memories = ref<MemoryItem[]>([
     subject: '工具调用',
     attribute: '错误教训',
     score: 0.95,
-    createdAt: '3/10 12:34',
+    createdAt: '2026-03-10T12:34',
     selected: false
   },
   {
@@ -42,7 +43,7 @@ const memories = ref<MemoryItem[]>([
     subject: '任务执行效率优化',
     attribute: '迭代策略原则',
     score: 0.92,
-    createdAt: '3/10 15:35',
+    createdAt: '2026-03-10T15:35',
     selected: false
   },
   {
@@ -52,7 +53,7 @@ const memories = ref<MemoryItem[]>([
     subject: '执行路径监控',
     attribute: '质量控制机制',
     score: 0.88,
-    createdAt: '3/10 15:35',
+    createdAt: '2026-03-10T15:35',
     selected: false
   },
   {
@@ -62,7 +63,7 @@ const memories = ref<MemoryItem[]>([
     subject: '迭代效率',
     attribute: '错误教训',
     score: 0.85,
-    createdAt: '3/10 12:34',
+    createdAt: '2026-03-10T12:34',
     selected: false
   },
   {
@@ -72,7 +73,7 @@ const memories = ref<MemoryItem[]>([
     subject: '代码生成策略',
     attribute: '错误教训',
     score: 0.80,
-    createdAt: '3/10 12:34',
+    createdAt: '2026-03-10T12:34',
     selected: false
   },
 ])
@@ -252,7 +253,7 @@ const getScoreColor = (score: number) => {
             <td class="px-5 py-4">
               <span :class="['font-medium', getScoreColor(memory.score)]">{{ memory.score }}</span>
             </td>
-            <td class="px-5 py-4 text-sm text-gray-400">{{ memory.createdAt }}</td>
+            <td class="px-5 py-4 text-sm text-gray-400">{{ formatDate(memory.createdAt, 'YYYY/MM/DD HH:mm') }}</td>
             <td class="px-5 py-4">
               <div class="flex items-center justify-center gap-2">
                 <button