feat(gui): add transitions, responsive breakpoints and bug fixes (U7)

- Add transitions.css with fade, slide, collapse, scale, stagger-list, skeleton-pulse, pulse-dot animations
- Add responsive.css with breakpoints (≥1440px full, 1280-1439px compact, <1280px prompt)
- Add small-screen prompt in AgentLayout with DesktopOutlined icon
- Fix SPA serving in app.py for Vue build output
- Fix TypeScript errors in kb.ts, skills.ts, workflow.ts, FlowCanvas.vue, SideNav.vue
- Fix unused imports in ExperienceTimeline, PathOptimizerPanel, PitfallPanel

src/agentkit/server/app.py

@@ -680,6 +680,7 @@ def create_app(
     if gui_mode:
         from pathlib import Path as _Path
         from fastapi.responses import HTMLResponse, FileResponse
+        from fastapi.staticfiles import StaticFiles
 
         _static_dir = _Path(__file__).parent / "static"
 
@@ -691,4 +692,27 @@ def create_app(
                 return FileResponse(str(index_path))
             return HTMLResponse("<h1>AgentKit GUI not found</h1>", status_code=404)
 
+        # SPA fallback: serve index.html for all non-API, non-static routes
+        @app.get("/{path:path}", response_class=HTMLResponse, include_in_schema=False)
+        async def spa_fallback(path: str):
+            """Serve index.html for SPA client-side routing."""
+            # Don't intercept API routes
+            if path.startswith("api/"):
+                return HTMLResponse("<h1>Not Found</h1>", status_code=404)
+            # Try to serve a real static file first
+            file_path = _static_dir / path
+            if file_path.is_file():
+                return FileResponse(str(file_path))
+            # Fallback to index.html for SPA routing
+            index_path = _static_dir / "index.html"
+            if index_path.exists():
+                return FileResponse(str(index_path))
+            return HTMLResponse("<h1>Not Found</h1>", status_code=404)
+
+        # Mount static assets last (js, css, images, etc.)
+        # mount() is checked after route matching, so API routes take priority
+        assets_dir = _static_dir / "assets"
+        if assets_dir.exists():
+            app.mount("/assets", StaticFiles(directory=str(assets_dir)), name="static-assets")
+
     return app

src/agentkit/server/frontend/src/api/kb.ts

@@ -11,6 +11,7 @@ export interface IKbSource {
   status: string
   document_count: number
   last_synced: string | null
+  config?: Record<string, unknown>
 }
 
 export interface IAddSourceRequest {

src/agentkit/server/frontend/src/api/skills.ts

@@ -71,6 +71,36 @@ class SkillsApiClient extends BaseApiClient {
     return this.request<{ capabilities: ICapabilityInfo[] }>('/capabilities')
   }
 
+  /** Install a skill by name (searches GitHub) or from a source URL */
+  async installSkill(
+    name: string,
+    source?: string
+  ): Promise<{ status: string; name: string; path: string }> {
+    // The install endpoint is on /api/v1/skills/install, not under skill-management
+    const url = `/api/v1/skills/install`
+    const resp = await fetch(url, {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify({ name, source }),
+    })
+    if (!resp.ok) {
+      const err = await resp.json().catch(() => ({ detail: resp.statusText }))
+      throw new Error(err.detail ?? resp.statusText)
+    }
+    return resp.json()
+  }
+
+  /** Uninstall a skill */
+  async uninstallSkill(skillName: string): Promise<{ status: string; name: string }> {
+    const url = `/api/v1/skills/${encodeURIComponent(skillName)}`
+    const resp = await fetch(url, { method: 'DELETE' })
+    if (!resp.ok) {
+      const err = await resp.json().catch(() => ({ detail: resp.statusText }))
+      throw new Error(err.detail ?? resp.statusText)
+    }
+    return resp.json()
+  }
+
   /** Reload a skill */
   async reloadSkill(
     skillName: string

src/agentkit/server/frontend/src/components/evolution/ExperienceTimeline.vue

@@ -61,11 +61,11 @@
 </template>
 
 <script setup lang="ts">
-import { ref, watch } from 'vue'
+import { ref } from 'vue'
 import { Select as ASelect, SelectOption as ASelectOption, Tag as ATag, Empty as AEmpty } from 'ant-design-vue'
 import type { Experience } from '@/api/evolution'
 
-const props = defineProps<{
+defineProps<{
   experiences: Experience[]
 }>()
 

src/agentkit/server/frontend/src/components/evolution/PathOptimizerPanel.vue

@@ -62,7 +62,7 @@ import { ref } from 'vue'
 import { Tag as ATag, Empty as AEmpty } from 'ant-design-vue'
 import type { PathOptimization } from '@/api/evolution'
 
-const props = defineProps<{
+defineProps<{
   optimizations: PathOptimization[]
 }>()
 

src/agentkit/server/frontend/src/components/evolution/PitfallPanel.vue

@@ -49,7 +49,7 @@ import { ref } from 'vue'
 import { Input as AInput, Button as AButton, Tag as ATag, Empty as AEmpty } from 'ant-design-vue'
 import type { PitfallWarning } from '@/api/evolution'
 
-const props = defineProps<{
+defineProps<{
   warnings: PitfallWarning[]
   loading?: boolean
 }>()

src/agentkit/server/frontend/src/components/layout/AgentLayout.vue

@@ -84,6 +84,11 @@
         </template>
       </SplitPane>
     </div>
+    <div class="agent-layout__small-screen">
+      <DesktopOutlined style="font-size: 48px; color: var(--text-placeholder)" />
+      <h2>请使用更大的屏幕</h2>
+      <p>Fischer AgentKit 四象限布局需要至少 1280px 宽度的屏幕才能正常使用。</p>
+    </div>
   </div>
 </template>
 
@@ -98,6 +103,7 @@ import {
   DashboardOutlined,
   AppstoreOutlined,
   SettingOutlined,
+  DesktopOutlined,
 } from '@ant-design/icons-vue'
 import TopNav from './TopNav.vue'
 import SplitPane from './SplitPane.vue'

src/agentkit/server/frontend/src/components/layout/SideNav.vue

@@ -88,8 +88,8 @@ watch(
   }
 )
 
-function handleMenuClick({ key }: { key: string }): void {
-  router.push(key)
+function handleMenuClick({ key }: { key: string | number }): void {
+  router.push(String(key))
 }
 </script>
 

src/agentkit/server/frontend/src/components/workflow/FlowCanvas.vue

@@ -21,8 +21,8 @@
       </a-space>
     </div>
     <VueFlow
-      v-model:nodes="nodes"
-      v-model:edges="edges"
+      v-model:nodes="store.flowNodes"
+      v-model:edges="store.flowEdges"
       :node-types="nodeTypes"
       :default-edge-options="defaultEdgeOptions"
       :snap-to-grid="true"
@@ -58,9 +58,7 @@ import { useWorkflowStore } from '@/stores/workflow'
 
 const store = useWorkflowStore()
 
-const props = defineProps<{
-  nodes: any[]
-  edges: any[]
+defineProps<{
   saving?: boolean
   executing?: boolean
 }>()
@@ -69,15 +67,13 @@ const emit = defineEmits<{
   save: []
   execute: []
   clear: []
-  'update:nodes': [nodes: any[]]
-  'update:edges': [edges: any[]]
   'node-select': [nodeId: string | null]
   'node-drop': [nodeType: string, position: { x: number; y: number }]
 }>()
 
 const canvasRef = ref<HTMLElement>()
 
-const nodeTypes = {
+const nodeTypes: Record<string, any> = {
   skill: markRaw(SkillNode),
   condition: markRaw(ConditionNode),
   approval: markRaw(ApprovalNode),
@@ -164,17 +160,17 @@ onUnmounted(() => {
 
 function onValidate() {
   // Basic validation
-  if (props.nodes.length === 0) {
+  if (store.flowNodes.length === 0) {
     message.warning('工作流为空，请添加节点')
     return
   }
   // Check for nodes without connections (except the first)
-  const connectedSources = new Set(props.edges.map((e: any) => e.source))
-  const connectedTargets = new Set(props.edges.map((e: any) => e.target))
+  const connectedSources = new Set(store.flowEdges.map((e: any) => e.source))
+  const connectedTargets = new Set(store.flowEdges.map((e: any) => e.target))
   const allConnected = new Set([...connectedSources, ...connectedTargets])
 
-  const orphanNodes = props.nodes.filter((n: any) => !allConnected.has(n.id))
-  if (orphanNodes.length > 0 && props.nodes.length > 1) {
+  const orphanNodes = store.flowNodes.filter((n: any) => !allConnected.has(n.id))
+  if (orphanNodes.length > 0 && store.flowNodes.length > 1) {
     message.warning(`存在未连接的节点: ${orphanNodes.map((n: any) => n.data?.label).join(', ')}`)
     return
   }

src/agentkit/server/frontend/src/stores/workflow.ts

@@ -30,9 +30,9 @@ export const useWorkflowStore = defineStore('workflow', () => {
   const isLoading = ref(false)
   const error = ref<string | null>(null)
 
-  // Vue Flow state
-  const flowNodes = ref<Node<WorkflowNodeData>[]>([])
-  const flowEdges = ref<Edge[]>([])
+  // Vue Flow state — use any[] to avoid @vue-flow/core deep type recursion with Vue 3.5+
+  const flowNodes = ref<any[]>([])
+  const flowEdges = ref<any[]>([])
   const selectedNodeId = ref<string | null>(null)
 
   // Undo/Redo state
@@ -51,9 +51,9 @@ export const useWorkflowStore = defineStore('workflow', () => {
   const executionHistoryTotal = ref(0)
 
   // --- Getters ---
-  const selectedNode = computed<Node<WorkflowNodeData> | null>(() => {
+  const selectedNode = computed<any | null>(() => {
     if (!selectedNodeId.value) return null
-    return flowNodes.value.find((n) => n.id === selectedNodeId.value) || null
+    return flowNodes.value.find((n: any) => n.id === selectedNodeId.value) || null
   })
 
   const selectedNodeData = computed<WorkflowNodeData | null>(() => {
@@ -65,12 +65,12 @@ export const useWorkflowStore = defineStore('workflow', () => {
 
   // --- Internal mutation methods (no command tracking) ---
 
-  function _addNodeDirect(node: Node<WorkflowNodeData>): void {
-    flowNodes.value = [...flowNodes.value, node]
+  function _addNodeDirect(node: any): void {
+    flowNodes.value.push(node)
   }
 
-  function _removeNodeDirect(nodeId: string): { node: Node<WorkflowNodeData>; edges: Edge[] } | null {
-    const node = flowNodes.value.find((n) => n.id === nodeId)
+  function _removeNodeDirect(nodeId: string): { node: any; edges: any[] } | null {
+    const node = flowNodes.value.find((n: any) => n.id === nodeId)
     if (!node) return null
     const removedEdges = flowEdges.value.filter(
       (e) => e.source === nodeId || e.target === nodeId
@@ -97,11 +97,12 @@ export const useWorkflowStore = defineStore('workflow', () => {
   }
 
   function _updateNodeDataDirect(nodeId: string, data: Partial<WorkflowNodeData>): void {
-    const index = flowNodes.value.findIndex((n) => n.id === nodeId)
+    const index = flowNodes.value.findIndex((n: any) => n.id === nodeId)
     if (index !== -1) {
+      const existing = flowNodes.value[index]
       flowNodes.value[index] = {
-        ...flowNodes.value[index],
-        data: { ...flowNodes.value[index].data, ...data },
+        ...existing,
+        data: { ...existing.data, ...data },
       }
     }
   }

src/agentkit/server/frontend/src/styles/index.ts

@@ -5,4 +5,6 @@
  */
 
 import './tokens.css'
+import './transitions.css'
+import './responsive.css'
 export { themeConfig } from './theme'

src/agentkit/server/frontend/src/styles/responsive.css

@@ -0,0 +1,89 @@
+/**
+ * Fischer AgentKit Responsive Breakpoints
+ *
+ * ≥1440px: Four quadrants fully visible
+ * 1280-1440px: Bottom-right quadrant auto-collapsed
+ * <1280px: Prompt to use larger screen
+ */
+
+/* ── Full four-quadrant layout ── */
+@media (min-width: 1440px) {
+  .agent-layout__body {
+    display: flex;
+  }
+}
+
+/* ── Compact: bottom-right quadrant collapsed ── */
+@media (min-width: 1280px) and (max-width: 1439px) {
+  .agent-layout__body {
+    display: flex;
+  }
+
+  /* Auto-collapse bottom-right quadrant via CSS */
+  .quadrant-panel--bottom-right-collapsed {
+    height: auto !important;
+  }
+}
+
+/* ── Too small: show prompt ── */
+@media (max-width: 1279px) {
+  .agent-layout__body {
+    display: none;
+  }
+
+  .agent-layout__small-screen {
+    display: flex;
+  }
+}
+
+/* ── Default: hide small screen prompt ── */
+.agent-layout__small-screen {
+  display: none;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  height: 100%;
+  gap: var(--space-4);
+  color: var(--text-tertiary);
+  text-align: center;
+  padding: var(--space-8);
+}
+
+.agent-layout__small-screen h2 {
+  font-size: var(--font-lg);
+  color: var(--text-primary);
+}
+
+.agent-layout__small-screen p {
+  font-size: var(--font-base);
+  max-width: 400px;
+}
+
+/* ── Quadrant min-size for readability ── */
+.quadrant-panel {
+  min-width: var(--quadrant-min-size);
+  min-height: var(--quadrant-min-size);
+}
+
+/* ── TopNav responsive ── */
+@media (max-width: 768px) {
+  .top-nav__center {
+    display: none;
+  }
+}
+
+/* ── Chat sidebar responsive ── */
+@media (max-width: 1024px) {
+  .chat-sidebar:not(.chat-sidebar--collapsed) {
+    width: 200px;
+  }
+}
+
+/* ── Print: hide interactive elements ── */
+@media print {
+  .top-nav,
+  .split-pane__handle,
+  .quadrant-panel__collapse-btn {
+    display: none !important;
+  }
+}

src/agentkit/server/frontend/src/styles/transitions.css

@@ -0,0 +1,132 @@
+/**
+ * Fischer AgentKit Transition Animations
+ *
+ * Unified transition classes for Vue <Transition> components.
+ * All durations reference Design Token variables for consistency.
+ */
+
+/* ── Fade ── */
+.fade-enter-active,
+.fade-leave-active {
+  transition: opacity var(--transition-fast);
+}
+
+.fade-enter-from,
+.fade-leave-to {
+  opacity: 0;
+}
+
+/* ── Slide Up ── */
+.slide-up-enter-active,
+.slide-up-leave-active {
+  transition: transform var(--transition-normal), opacity var(--transition-fast);
+}
+
+.slide-up-enter-from,
+.slide-up-leave-to {
+  transform: translateY(8px);
+  opacity: 0;
+}
+
+/* ── Slide Down ── */
+.slide-down-enter-active,
+.slide-down-leave-active {
+  transition: transform var(--transition-normal), opacity var(--transition-fast);
+}
+
+.slide-down-enter-from,
+.slide-down-leave-to {
+  transform: translateY(-8px);
+  opacity: 0;
+}
+
+/* ── Slide Right ── */
+.slide-right-enter-active,
+.slide-right-leave-active {
+  transition: transform var(--transition-normal), opacity var(--transition-fast);
+}
+
+.slide-right-enter-from,
+.slide-right-leave-to {
+  transform: translateX(-8px);
+  opacity: 0;
+}
+
+/* ── Collapse (height) ── */
+.collapse-enter-active,
+.collapse-leave-active {
+  transition: max-height var(--transition-slow) ease, opacity var(--transition-fast);
+  overflow: hidden;
+}
+
+.collapse-enter-from,
+.collapse-leave-to {
+  max-height: 0;
+  opacity: 0;
+}
+
+.collapse-enter-to,
+.collapse-leave-from {
+  max-height: 500px;
+  opacity: 1;
+}
+
+/* ── Scale ── */
+.scale-enter-active,
+.scale-leave-active {
+  transition: transform var(--transition-fast), opacity var(--transition-fast);
+}
+
+.scale-enter-from,
+.scale-leave-to {
+  transform: scale(0.95);
+  opacity: 0;
+}
+
+/* ── Stagger list items ── */
+.stagger-list-enter-active {
+  transition: transform var(--transition-normal), opacity var(--transition-fast);
+}
+
+.stagger-list-leave-active {
+  transition: transform var(--transition-fast), opacity var(--transition-fast);
+}
+
+.stagger-list-enter-from,
+.stagger-list-leave-to {
+  transform: translateY(8px);
+  opacity: 0;
+}
+
+.stagger-list-move {
+  transition: transform var(--transition-normal);
+}
+
+/* ── Skeleton pulse ── */
+@keyframes skeleton-pulse {
+  0% { opacity: 1; }
+  50% { opacity: 0.4; }
+  100% { opacity: 1; }
+}
+
+.skeleton-loading {
+  animation: skeleton-pulse 1.5s ease-in-out infinite;
+  background: linear-gradient(
+    90deg,
+    var(--bg-tertiary) 25%,
+    var(--border-color) 50%,
+    var(--bg-tertiary) 75%
+  );
+  background-size: 200% 100%;
+  border-radius: var(--radius-sm);
+}
+
+/* ── Pulse dot (running status) ── */
+@keyframes pulse-dot {
+  0%, 100% { opacity: 1; }
+  50% { opacity: 0.3; }
+}
+
+.pulse-dot {
+  animation: pulse-dot 1.5s ease-in-out infinite;
+}

src/agentkit/server/static/index.html

@@ -1,909 +1,14 @@
 <!DOCTYPE html>
 <html lang="zh-CN">
-<head>
-<meta charset="UTF-8">
-<meta name="viewport" content="width=device-width, initial-scale=1.0">
-<title>AgentKit</title>
-<link rel="icon" href="data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'><text y='.9em' font-size='90'>🤖</text></svg>">
-<link rel="preconnect" href="https://fonts.googleapis.com">
-<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
-<link href="https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&display=swap" rel="stylesheet">
-<script src="https://cdn.jsdelivr.net/npm/marked@12/marked.min.js"></script>
-<style>
-*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
-:root{
-  --bg:#f8f7f4;
-  --surface:#ffffff;
-  --surface2:#f1f0ec;
-  --surface3:#e8e7e3;
-  --border:#e2e0db;
-  --border-light:#eceae6;
-  --text:#1a1a1a;
-  --text2:#737068;
-  --text3:#a09d95;
-  --primary:#3b5bdb;
-  --primary-hover:#2c4ac6;
-  --primary-light:#eef1fd;
-  --primary-subtle:#d4daf9;
-  --user-bg:#3b5bdb;
-  --user-text:#ffffff;
-  --agent-bg:#f1f0ec;
-  --agent-text:#1a1a1a;
-  --danger:#dc2626;
-  --danger-light:#fef2f2;
-  --success:#16a34a;
-  --success-light:#f0fdf4;
-  --warning:#d97706;
-  --radius-sm:8px;
-  --radius:12px;
-  --radius-lg:16px;
-  --radius-xl:20px;
-  --shadow-xs:0 1px 2px rgba(0,0,0,.04);
-  --shadow-sm:0 1px 3px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04);
-  --shadow-md:0 4px 12px rgba(0,0,0,.07),0 1px 3px rgba(0,0,0,.05);
-  --shadow-lg:0 8px 24px rgba(0,0,0,.09),0 2px 6px rgba(0,0,0,.05);
-  --sidebar-w:280px;
-  --right-w:340px;
-  --font:'Plus Jakarta Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
-}
-html,body{height:100%;font-family:var(--font);background:var(--bg);color:var(--text);overflow:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
-.app{display:flex;height:100vh}
-
-/* ── Left Sidebar ────────────────────────────────────────────── */
-.sidebar{width:var(--sidebar-w);background:var(--surface);border-right:1px solid var(--border-light);display:flex;flex-direction:column;flex-shrink:0}
-.sidebar-header{padding:20px 16px 16px;display:flex;align-items:center;justify-content:space-between}
-.sidebar-brand{display:flex;align-items:center;gap:10px}
-.sidebar-logo{width:32px;height:32px;background:var(--primary);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;font-weight:700}
-.sidebar-header h1{font-size:17px;font-weight:700;letter-spacing:-0.4px;color:var(--text)}
-.btn-new{background:var(--primary-light);color:var(--primary);border:none;border-radius:var(--radius-sm);padding:7px 14px;font-size:13px;font-weight:600;cursor:pointer;transition:all .2s;font-family:var(--font)}
-.btn-new:hover{background:var(--primary-subtle);transform:translateY(-1px)}
-
-.session-list{flex:1;overflow-y:auto;padding:8px 8px 16px}
-.session-item{padding:10px 12px;border-radius:var(--radius-sm);cursor:pointer;transition:all .15s;margin-bottom:2px;display:flex;align-items:center;justify-content:space-between;border:1px solid transparent}
-.session-item:hover{background:var(--surface2);border-color:var(--border-light)}
-.session-item.active{background:var(--primary-light);border-color:var(--primary-subtle);color:var(--primary)}
-.session-item.active .title{font-weight:600}
-.session-item .title{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1;font-weight:450}
-.session-item .time{font-size:11px;color:var(--text3);margin-left:8px;flex-shrink:0}
-.session-item .del{opacity:0;color:var(--danger);cursor:pointer;margin-left:6px;font-size:16px;flex-shrink:0;transition:opacity .15s;width:20px;height:20px;display:flex;align-items:center;justify-content:center;border-radius:4px}
-.session-item:hover .del{opacity:.6}
-.session-item .del:hover{opacity:1;background:var(--danger-light)}
-.empty-state{color:var(--text3);font-size:13px;text-align:center;padding:40px 16px;line-height:1.7}
-
-/* ── Main Chat Area ──────────────────────────────────────────── */
-.chat-area{flex:1;display:flex;flex-direction:column;min-width:0;background:var(--bg)}
-.chat-header{padding:12px 24px;border-bottom:1px solid var(--border-light);display:flex;align-items:center;gap:12px;background:var(--surface);box-shadow:var(--shadow-xs)}
-.chat-header .agent-name{font-size:15px;font-weight:600;flex:1;letter-spacing:-0.2px}
-.chat-header .status{font-size:12px;color:var(--text3);display:flex;align-items:center;gap:5px}
-.chat-header .status::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--text3);flex-shrink:0}
-.chat-header .status.connected{color:var(--success)}
-.chat-header .status.connected::before{background:var(--success)}
-.btn-icon{background:var(--surface);border:1px solid var(--border);color:var(--text2);border-radius:var(--radius-sm);width:36px;height:36px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;font-size:16px}
-.btn-icon:hover{background:var(--surface2);color:var(--text);border-color:var(--primary);box-shadow:var(--shadow-xs)}
-
-/* ── Messages ────────────────────────────────────────────────── */
-.messages{flex:1;overflow-y:auto;padding:24px 24px 16px;display:flex;flex-direction:column;gap:20px;scroll-behavior:smooth}
-.msg{display:flex;flex-direction:column;max-width:72%;animation:msgIn .35s cubic-bezier(.16,1,.3,1)}
-.msg.user{align-self:flex-end}
-.msg.agent{align-self:flex-start}
-.msg .bubble{padding:12px 18px;font-size:14px;line-height:1.7;white-space:pre-wrap;word-break:break-word;position:relative}
-.msg.user .bubble{background:var(--user-bg);color:var(--user-text);border-radius:var(--radius-lg) var(--radius-lg) var(--radius-sm) var(--radius-lg);box-shadow:0 2px 8px rgba(59,91,219,.2)}
-.msg.agent .bubble{background:var(--surface);color:var(--agent-text);border-radius:var(--radius-lg) var(--radius-lg) var(--radius-lg) var(--radius-sm);border:1px solid var(--border-light);box-shadow:var(--shadow-xs)}
-
-/* ── Markdown in Agent Bubbles ──────────────────────────────── */
-.msg.agent .bubble.md{white-space:normal}
-.msg.agent .bubble.md p{margin:0 0 .6em}
-.msg.agent .bubble.md p:last-child{margin-bottom:0}
-.msg.agent .bubble.md h1,.msg.agent .bubble.md h2,.msg.agent .bubble.md h3,.msg.agent .bubble.md h4{margin:.8em 0 .4em;font-weight:700;letter-spacing:-.3px;line-height:1.3}
-.msg.agent .bubble.md h1{font-size:1.4em}
-.msg.agent .bubble.md h2{font-size:1.2em}
-.msg.agent .bubble.md h3{font-size:1.05em}
-.msg.agent .bubble.md h4{font-size:1em}
-.msg.agent .bubble.md ul,.msg.agent .bubble.md ol{margin:.4em 0 .6em 1.5em;padding:0}
-.msg.agent .bubble.md li{margin:.2em 0}
-.msg.agent .bubble.md li>p{margin:.2em 0}
-.msg.agent .bubble.md blockquote{margin:.5em 0;padding:.4em 1em;border-left:3px solid var(--primary);background:var(--primary-light);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--text2)}
-.msg.agent .bubble.md blockquote p{margin:.2em 0}
-.msg.agent .bubble.md code{font-family:'SF Mono',SFMono-Regular,Consolas,'Liberation Mono',Menlo,monospace;font-size:.88em;background:var(--surface2);padding:.15em .4em;border-radius:4px;color:var(--text)}
-.msg.agent .bubble.md pre{margin:.5em 0;padding:12px 14px;background:var(--surface2);border:1px solid var(--border-light);border-radius:var(--radius-sm);overflow-x:auto;line-height:1.5}
-.msg.agent .bubble.md pre code{background:none;padding:0;font-size:.85em;color:var(--text)}
-.msg.agent .bubble.md table{border-collapse:collapse;margin:.5em 0;width:100%;font-size:.9em}
-.msg.agent .bubble.md th,.msg.agent .bubble.md td{border:1px solid var(--border);padding:6px 10px;text-align:left}
-.msg.agent .bubble.md th{background:var(--surface2);font-weight:600}
-.msg.agent .bubble.md hr{border:none;border-top:1px solid var(--border);margin:.8em 0}
-.msg.agent .bubble.md a{color:var(--primary);text-decoration:none}
-.msg.agent .bubble.md a:hover{text-decoration:underline}
-.msg.agent .bubble.md img{max-width:100%;border-radius:var(--radius-sm)}
-.msg.agent .bubble.md strong{font-weight:700}
-.msg.agent .bubble.md em{font-style:italic}
-.msg .meta{font-size:11px;color:var(--text3);margin-top:5px;padding:0 4px;font-weight:500}
-.msg.user .meta{text-align:right}
-.typing-indicator{display:inline-flex;gap:5px;padding:6px 0}
-.typing-indicator span{width:7px;height:7px;background:var(--text3);border-radius:50%;animation:bounce 1.4s ease-in-out infinite}
-.typing-indicator span:nth-child(2){animation-delay:.15s}
-.typing-indicator span:nth-child(3){animation-delay:.3s}
-
-/* ── Input Area ──────────────────────────────────────────────── */
-.input-area{padding:16px 24px 20px;background:transparent}
-.input-wrap{display:flex;gap:10px;align-items:flex-end;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:6px 6px 6px 16px;box-shadow:var(--shadow-sm);transition:all .2s}
-.input-wrap:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(59,91,219,.1),var(--shadow-md)}
-.input-wrap textarea{flex:1;background:transparent;border:none;padding:8px 0;font-size:14px;color:var(--text);resize:none;outline:none;min-height:40px;max-height:160px;font-family:var(--font);line-height:1.5}
-.input-wrap textarea::placeholder{color:var(--text3)}
-.btn-send{background:var(--primary);color:#fff;border:none;border-radius:var(--radius);padding:10px 20px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;flex-shrink:0;font-family:var(--font)}
-.btn-send:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 2px 8px rgba(59,91,219,.3)}
-.btn-send:active{transform:translateY(0)}
-.btn-send:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
-
-/* ── Welcome ─────────────────────────────────────────────────── */
-.welcome{flex:1;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:16px;color:var(--text2);padding:40px}
-.welcome-icon{width:64px;height:64px;background:var(--primary-light);border-radius:var(--radius-xl);display:flex;align-items:center;justify-content:center;font-size:28px;margin-bottom:4px}
-.welcome h2{color:var(--text);font-size:24px;font-weight:700;letter-spacing:-0.5px}
-.welcome p{font-size:14px;max-width:380px;text-align:center;line-height:1.7;color:var(--text2)}
-
-/* ── Right Sidebar ───────────────────────────────────────────── */
-.right-sidebar{width:0;overflow:hidden;background:var(--surface);border-left:1px solid var(--border-light);display:flex;flex-direction:column;transition:width .3s cubic-bezier(.16,1,.3,1);flex-shrink:0}
-.right-sidebar.open{width:var(--right-w)}
-.right-sidebar-header{padding:16px 16px 12px;display:flex;align-items:center;justify-content:space-between}
-.right-sidebar-header h2{font-size:15px;font-weight:700;letter-spacing:-0.2px}
-.right-sidebar-content{flex:1;overflow-y:auto;padding:0}
-
-/* ── Tabs ────────────────────────────────────────────────────── */
-.tab-bar{display:flex;gap:2px;padding:0 12px;border-bottom:1px solid var(--border-light);background:var(--surface)}
-.tab-btn{padding:10px 14px;font-size:12px;font-weight:600;color:var(--text3);background:none;border:none;border-bottom:2px solid transparent;cursor:pointer;transition:all .2s;text-align:center;letter-spacing:.2px;text-transform:uppercase}
-.tab-btn:hover{color:var(--text2)}
-.tab-btn.active{color:var(--primary);border-bottom-color:var(--primary)}
-.tab-panel{display:none;padding:16px}
-.tab-panel.active{display:block}
-
-/* ── Skill Grid ──────────────────────────────────────────────── */
-.skill-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
-.skill-card{background:var(--surface2);border:1px solid var(--border-light);border-radius:var(--radius);padding:14px;cursor:pointer;transition:all .2s cubic-bezier(.16,1,.3,1);position:relative}
-.skill-card:hover{border-color:var(--primary-subtle);transform:translateY(-2px);box-shadow:var(--shadow-md);background:var(--surface)}
-.skill-card .skill-name{font-size:13px;font-weight:600;margin-bottom:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:-0.1px}
-.skill-card .skill-desc{font-size:11px;color:var(--text2);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
-.skill-card .skill-tools{font-size:10px;color:var(--primary);margin-top:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:500;letter-spacing:.2px}
-.skill-card .skill-remove{position:absolute;top:8px;right:8px;width:22px;height:22px;border-radius:6px;background:var(--surface);border:1px solid var(--border);color:var(--text3);font-size:13px;cursor:pointer;display:none;align-items:center;justify-content:center;line-height:1;transition:all .15s}
-.skill-card:hover .skill-remove{display:flex}
-.skill-card .skill-remove:hover{background:var(--danger);color:#fff;border-color:var(--danger)}
-
-/* ── Add Skill ───────────────────────────────────────────────── */
-.add-skill-area{margin-top:16px;padding-top:16px;border-top:1px solid var(--border-light)}
-.add-skill-label{font-size:12px;color:var(--text2);margin-bottom:8px;font-weight:500}
-.add-skill-input{display:flex;gap:8px}
-.add-skill-input input{flex:1;background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:9px 12px;font-size:13px;color:var(--text);outline:none;transition:all .2s;font-family:var(--font)}
-.add-skill-input input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(59,91,219,.08)}
-.add-skill-input input::placeholder{color:var(--text3)}
-.btn-add-skill{background:var(--primary);color:#fff;border:none;border-radius:var(--radius-sm);padding:9px 16px;font-size:13px;font-weight:600;cursor:pointer;transition:all .2s;white-space:nowrap;font-family:var(--font)}
-.btn-add-skill:hover{background:var(--primary-hover)}
-.btn-add-skill:disabled{opacity:.4;cursor:not-allowed}
-.install-status{font-size:11px;margin-top:8px;color:var(--text3);font-weight:500}
-.install-status.success{color:var(--success)}
-.install-status.error{color:var(--danger)}
-
-/* ── Scrollbar ───────────────────────────────────────────────── */
-::-webkit-scrollbar{width:5px}
-::-webkit-scrollbar-track{background:transparent}
-::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
-::-webkit-scrollbar-thumb:hover{background:var(--text3)}
-
-/* ── Animations ──────────────────────────────────────────────── */
-@keyframes msgIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
-@keyframes bounce{0%,80%,100%{transform:translateY(0)}40%{transform:translateY(-8px)}}
-@keyframes fadeIn{from{opacity:0}to{opacity:1}}
-@keyframes slideInRight{from{opacity:0;transform:translateX(12px)}to{opacity:1;transform:translateX(0)}}
-
-/* ── Thinking ──────────────────────────────────────────────────── */
-.thinking-msg{display:flex;flex-direction:column;max-width:72%;animation:msgIn .35s cubic-bezier(.16,1,.3,1);align-self:flex-start}
-.thinking-msg .bubble{padding:10px 16px;font-size:13px;line-height:1.6;color:var(--text3);font-style:italic;background:var(--surface2);border-radius:var(--radius-lg) var(--radius-lg) var(--radius-lg) var(--radius-sm);border:1px dashed var(--border)}
-
-/* ── Loading indicator ───────────────────────────────────────── */
-.loading-msg{display:flex;flex-direction:column;max-width:72%;align-self:flex-start;animation:msgIn .35s cubic-bezier(.16,1,.3,1)}
-.loading-msg .loading-bubble{padding:8px 20px;background:var(--surface);border:1px solid var(--border-light);border-radius:var(--radius-lg) var(--radius-lg) var(--radius-lg) var(--radius-sm);display:inline-flex;align-items:center;gap:6px;box-shadow:var(--shadow-xs)}
-.loading-msg .loading-dot{width:8px;height:8px;border-radius:50%;background:var(--text3);animation:loadingDot 1.4s infinite ease-in-out}
-.loading-msg .loading-dot:nth-child(2){animation-delay:.2s}
-.loading-msg .loading-dot:nth-child(3){animation-delay:.4s}
-@keyframes loadingDot{0%,80%,100%{transform:scale(.4);opacity:.3}40%{transform:scale(1);opacity:1}}
-
-/* ── Confirmation Card ──────────────────────────────────────── */
-.confirm-card{display:flex;flex-direction:column;max-width:72%;align-self:flex-start;animation:msgIn .35s cubic-bezier(.16,1,.3,1)}
-.confirm-card .card-inner{background:var(--surface);border:1px solid var(--warning);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);overflow:hidden}
-.confirm-card .card-header{display:flex;align-items:center;gap:10px;padding:14px 18px 10px;border-bottom:1px solid var(--border-light)}
-.confirm-card .card-icon{width:32px;height:32px;border-radius:var(--radius-sm);background:#fef3c7;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}
-.confirm-card .card-title{font-size:14px;font-weight:600;color:var(--text);letter-spacing:-0.2px}
-.confirm-card .card-body{padding:12px 18px 14px}
-.confirm-card .card-command{background:var(--surface2);border:1px solid var(--border-light);border-radius:var(--radius-sm);padding:10px 14px;font-family:'SF Mono',SFMono-Regular,Consolas,'Liberation Mono',Menlo,monospace;font-size:13px;color:var(--text);word-break:break-all;line-height:1.6;margin-bottom:10px}
-.confirm-card .card-reason{font-size:13px;color:var(--text2);line-height:1.5;margin-bottom:4px}
-.confirm-card .card-actions{display:flex;gap:8px;padding:0 18px 14px}
-.confirm-card .btn-confirm{flex:1;padding:9px 16px;border-radius:var(--radius-sm);font-size:13px;font-weight:600;cursor:pointer;transition:all .2s;border:1px solid;font-family:var(--font)}
-.confirm-card .btn-confirm.approve{background:var(--primary-light);color:var(--primary);border-color:var(--primary-subtle)}
-.confirm-card .btn-confirm.approve:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
-.confirm-card .btn-confirm.deny{background:var(--danger-light);color:var(--danger);border-color:#fecaca}
-.confirm-card .btn-confirm.deny:hover{background:var(--danger);color:#fff;border-color:var(--danger)}
-.confirm-card .btn-confirm:disabled{opacity:.5;cursor:not-allowed;transform:none}
-.confirm-card .card-status{padding:10px 18px 14px;font-size:13px;font-weight:500;display:flex;align-items:center;gap:6px}
-.confirm-card .card-status.approved{color:var(--success);background:var(--success-light)}
-.confirm-card .card-status.denied{color:var(--danger);background:var(--danger-light)}
-
-/* ── Mobile ──────────────────────────────────────────────────── */
-@media(max-width:768px){
-  .sidebar{position:fixed;left:-100%;z-index:10;transition:left .3s cubic-bezier(.16,1,.3,1);width:85vw;max-width:320px;box-shadow:var(--shadow-lg)}
-  .sidebar.open{left:0}
-  .sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.3);z-index:9;backdrop-filter:blur(2px)}
-  .sidebar-overlay.show{display:block}
-  .mobile-toggle{display:flex!important}
-  .right-sidebar.open{position:fixed;right:0;z-index:10;width:85vw;max-width:360px;box-shadow:var(--shadow-lg)}
-  .messages{padding:16px}
-  .input-area{padding:12px 16px 16px}
-  .msg{max-width:88%}
-}
-.mobile-toggle{display:none;align-items:center;justify-content:center;background:none;border:none;color:var(--text);font-size:20px;cursor:pointer;padding:4px}
-</style>
-</head>
-<body>
-<div class="app">
-  <!-- Left Sidebar -->
-  <div class="sidebar-overlay" id="overlay" onclick="toggleSidebar()"></div>
-  <aside class="sidebar" id="sidebar">
-    <div class="sidebar-header">
-      <div class="sidebar-brand">
-        <div class="sidebar-logo">A</div>
-        <h1>AgentKit</h1>
-      </div>
-      <button class="btn-new" onclick="createSession()" title="新建对话">+ 新对话</button>
-    </div>
-    <div class="session-list" id="sessionList"></div>
-  </aside>
-
-  <!-- Chat -->
-  <main class="chat-area" id="chatArea">
-    <div class="chat-header">
-      <button class="mobile-toggle" onclick="toggleSidebar()">&#9776;</button>
-      <span class="agent-name" id="agentName">AgentKit</span>
-      <span class="status" id="connStatus">未连接</span>
-      <button class="btn-icon" onclick="toggleRightSidebar()" title="技能与工具" id="rightSidebarBtn">&#9881;</button>
-    </div>
-    <div class="messages" id="messages">
-      <div class="welcome" id="welcome">
-        <div class="welcome-icon">🤖</div>
-        <h2>欢迎使用 AgentKit</h2>
-        <p>开始一段新对话，或从侧边栏选择已有会话。</p>
-      </div>
-    </div>
-    <div class="input-area">
-      <div class="input-wrap">
-        <textarea id="input" rows="1" placeholder="输入消息..." onkeydown="handleKey(event)" oninput="autoResize(this)"></textarea>
-        <button class="btn-send" id="sendBtn" onclick="sendMessage()">发送</button>
-      </div>
-    </div>
-  </main>
-
-  <!-- Right Sidebar -->
-  <aside class="right-sidebar" id="rightSidebar">
-    <div class="right-sidebar-header">
-      <h2>工具</h2>
-      <button class="btn-icon" onclick="toggleRightSidebar()" title="关闭" style="width:28px;height:28px;font-size:14px">&times;</button>
-    </div>
-    <div class="tab-bar">
-      <button class="tab-btn" onclick="switchTab('sources')" data-tab="sources">来源</button>
-      <button class="tab-btn active" onclick="switchTab('skills')" data-tab="skills">技能</button>
-      <button class="tab-btn" onclick="switchTab('templates')" data-tab="templates">模板</button>
-    </div>
-    <div class="right-sidebar-content">
-      <!-- Sources Tab -->
-      <div class="tab-panel" id="tab-sources">
-        <div class="empty-state" style="padding:20px">信息来源配置即将上线。</div>
-      </div>
-
-      <!-- Skills Tab -->
-      <div class="tab-panel active" id="tab-skills">
-        <div class="skill-grid" id="skillGrid"></div>
-        <div class="add-skill-area">
-          <div class="add-skill-label">安装新技能</div>
-          <div class="add-skill-input">
-            <input type="text" id="installSkillName" placeholder="技能名称..." onkeydown="if(event.key==='Enter')installSkill()" oninput="updateInstallBtn()">
-            <button class="btn-add-skill" id="installBtn" onclick="installSkill()" disabled>搜索</button>
-          </div>
-          <div class="install-status" id="installStatus"></div>
-        </div>
-      </div>
-
-      <!-- Templates Tab -->
-      <div class="tab-panel" id="tab-templates">
-        <div class="empty-state" style="padding:20px">输出模板配置即将上线。</div>
-      </div>
-    </div>
-  </aside>
-</div>
-
-<script>
-// ── State ──────────────────────────────────────────────────────────────
-let sessions = [];
-let activeSessionId = null;
-let ws = null;
-let isStreaming = false;
-let currentAgentBubble = null;
-let currentAgentRawText = '';  // accumulate raw text during streaming
-let currentThinkingBubble = null;
-let loadingEl = null;
-let skills = [];
-const API = '/api/v1/chat';
-const SKILLS_API = '/api/v1/skills';
-
-// ── Markdown helpers ──────────────────────────────────────────
-const _MD_RE = /(?:^#{1,4}\s|^\s*[-*+]\s|^\s*\d+\.\s|```|\*\*|__|\[.*?\]\(|^\s*>)/m;
-
-function isMarkdown(text) {
-  if (!text) return false;
-  return _MD_RE.test(text);
-}
-
-function renderMarkdown(text) {
-  if (!text || !text.trim()) return '';
-  try {
-    return marked.parse(text, { breaks: true, gfm: true });
-  } catch {
-    return esc(text);
-  }
-}
-
-function renderBubbleContent(bubble, text, forceMd) {
-  const md = forceMd || isMarkdown(text);
-  if (md) {
-    bubble.classList.add('md');
-    bubble.innerHTML = renderMarkdown(text);
-  } else {
-    bubble.classList.remove('md');
-    bubble.textContent = text;
-  }
-}
-
-// ── API helpers ────────────────────────────────────────────────
-async function api(base, path, opts = {}) {
-  const res = await fetch(base + path, {
-    ...opts,
-    headers: { 'Content-Type': 'application/json', ...opts.headers },
-  });
-  if (!res.ok) throw new Error(`API ${res.status}: ${await res.text()}`);
-  return res.json();
-}
-
-// ── Sessions ───────────────────────────────────────────────────
-async function loadSessions() {
-  try {
-    sessions = await api(API, '/sessions');
-  } catch {
-    sessions = [];
-  }
-  renderSessions();
-
-  const savedId = localStorage.getItem('agentkit_active_session');
-  if (savedId && sessions.some(s => s.session_id === savedId)) {
-    await selectSession(savedId);
-  }
-}
-
-function renderSessions() {
-  const el = document.getElementById('sessionList');
-  if (!sessions.length) {
-    el.innerHTML = '<div class="empty-state">暂无对话<br>点击 <b>+ 新对话</b> 开始</div>';
-    return;
-  }
-  el.innerHTML = sessions.map(s => {
-    const t = new Date(s.created_at);
-    const time = t.toLocaleDateString() === new Date().toLocaleDateString()
-      ? t.toLocaleTimeString([], {hour:'2-digit',minute:'2-digit'})
-      : t.toLocaleDateString([], {month:'short',day:'numeric'});
-    const title = s.metadata?.title || `对话 ${s.session_id.slice(0,6)}`;
-    const active = s.session_id === activeSessionId ? 'active' : '';
-    return `<div class="session-item ${active}" onclick="selectSession('${s.session_id}')">
-      <span class="title">${esc(title)}</span>
-      <span class="time">${time}</span>
-      <span class="del" onclick="event.stopPropagation();deleteSession('${s.session_id}')" title="删除">&times;</span>
-    </div>`;
-  }).join('');
-}
-
-async function createSession() {
-  try {
-    const s = await api(API, '/sessions', {
-      method: 'POST',
-      body: JSON.stringify({ agent_name: 'default', metadata: { title: '新对话' } }),
-    });
-    sessions.unshift(s);
-    selectSession(s.session_id);
-  } catch (e) {
-    console.error('Create session failed:', e);
-  }
-}
-
-async function deleteSession(id) {
-  try {
-    await api(API, `/sessions/${id}`, { method: 'DELETE' });
-    sessions = sessions.filter(s => s.session_id !== id);
-    if (activeSessionId === id) {
-      activeSessionId = null;
-      localStorage.removeItem('agentkit_active_session');
-      disconnectWs();
-      showWelcome();
-    }
-    renderSessions();
-  } catch (e) {
-    console.error('Delete session failed:', e);
-  }
-}
-
-async function selectSession(id) {
-  activeSessionId = id;
-  localStorage.setItem('agentkit_active_session', id);
-  renderSessions();
-  showChat();
-
-  try {
-    const msgs = await api(API, `/sessions/${id}/messages`);
-    renderHistory(msgs);
-  } catch {
-    renderHistory([]);
-  }
-
-  connectWs(id);
-}
-
-// ── WebSocket ──────────────────────────────────────────────────
-function connectWs(sessionId) {
-  disconnectWs();
-  const proto = location.protocol === 'https:' ? 'wss:' : 'ws:';
-  const url = `${proto}//${location.host}${API}/ws/${sessionId}`;
-  ws = new WebSocket(url);
-
-  ws.onopen = () => { setConnStatus('已连接', true); };
-  ws.onmessage = (e) => { handleWsMessage(JSON.parse(e.data)); };
-  ws.onclose = () => { setConnStatus('未连接', false); ws = null; };
-  ws.onerror = () => { setConnStatus('连接错误', false); };
-}
-
-function disconnectWs() {
-  if (ws) { ws.close(); ws = null; }
-  setConnStatus('未连接', false);
-}
-
-function handleWsMessage(msg) {
-  switch (msg.type) {
-    case 'connected':
-      setConnStatus('已连接', true);
-      break;
-    case 'routing':
-      removeLoading();
-      appendStep(`路由: ${msg.skill || 'default'} (${msg.method}, ${Math.round((msg.confidence || 0) * 100)}%)`);
-      break;
-    case 'thinking':
-      removeLoading();
-      if (!currentThinkingBubble) {
-        currentThinkingBubble = appendThinking();
-      }
-      const thinkingContent = msg.content || '';
-      if (currentThinkingBubble) {
-        currentThinkingBubble.textContent += thinkingContent;
-      }
-      scrollToBottom();
-      break;
-    case 'token':
-      removeLoading();
-      // Clear any thinking bubble when real content starts
-      if (currentThinkingBubble) {
-        currentThinkingBubble.remove();
-        currentThinkingBubble = null;
-      }
-      if (!currentAgentBubble) {
-        currentAgentBubble = appendMessage('agent', '');
-        currentAgentRawText = '';
-        isStreaming = true;
-        updateSendBtn();
-      }
-      currentAgentRawText += msg.content || '';
-      // During streaming, show raw text for performance
-      currentAgentBubble.textContent = currentAgentRawText;
-      scrollToBottom();
-      break;
-    case 'final_answer':
-      removeLoading();
-      // Clear thinking bubble
-      if (currentThinkingBubble) {
-        currentThinkingBubble.remove();
-        currentThinkingBubble = null;
-      }
-      if (currentAgentBubble) {
-        const final = msg.content || '';
-        // Use the longer/more complete text
-        const bestText = (!currentAgentRawText.trim() || final.length > currentAgentRawText.length) ? final : currentAgentRawText;
-        renderBubbleContent(currentAgentBubble, bestText);
-        currentAgentBubble = null;
-        currentAgentRawText = '';
-      } else {
-        appendMessage('agent', msg.content || '');
-      }
-      isStreaming = false;
-      updateSendBtn();
-      scrollToBottom();
-      // Auto-refresh skill list after agent finishes (may have installed new skills)
-      loadSkills();
-      break;
-    case 'step':
-      removeLoading();
-      if (msg.data?.event_type === 'tool_call') {
-        // Replace thinking with tool step
-        if (currentThinkingBubble) {
-          currentThinkingBubble.remove();
-          currentThinkingBubble = null;
-        }
-        appendStep(`使用工具: ${msg.data?.data?.tool_name || 'tool'}`);
-      }
-      break;
-    case 'skill_match':
-      removeLoading();
-      if (msg.data?.skill) {
-        appendStep(`技能: ${msg.data.skill} (${msg.data.method}, ${Math.round((msg.data.confidence || 0) * 100)}%)`);
-      }
-      break;
-    case 'confirmation_request':
-      removeLoading();
-      showConfirmationCard(msg.data);
-      break;
-    case 'confirmation_result':
-      updateConfirmationCard(msg.data);
-      break;
-    case 'error':
-      removeLoading();
-      // Clear thinking bubble on error
-      if (currentThinkingBubble) {
-        currentThinkingBubble.remove();
-        currentThinkingBubble = null;
-      }
-      appendMessage('agent', `[错误] ${msg.data?.message || '未知错误'}`);
-      currentAgentBubble = null;
-      isStreaming = false;
-      updateSendBtn();
-      break;
-  }
-}
-
-// ── Loading indicator ──────────────────────────────────────────
-function showLoading() {
-  if (loadingEl) return;
-  hideWelcome();
-  const container = document.getElementById('messages');
-  const div = document.createElement('div');
-  div.className = 'loading-msg';
-  div.id = 'loadingIndicator';
-  div.innerHTML = '<div class="loading-bubble"><div class="loading-dot"></div><div class="loading-dot"></div><div class="loading-dot"></div></div>';
-  container.appendChild(div);
-  loadingEl = div;
-  scrollToBottom();
-}
-
-function removeLoading() {
-  if (loadingEl) {
-    loadingEl.remove();
-    loadingEl = null;
-  }
-}
-
-// ── Confirmation Card ──────────────────────────────────────────
-function showConfirmationCard(data) {
-  hideWelcome();
-  const container = document.getElementById('messages');
-  const confirmationId = data.confirmation_id;
-  const command = data.command || '';
-  const reason = data.reason || '';
-
-  const div = document.createElement('div');
-  div.className = 'confirm-card';
-  div.id = `confirm-${confirmationId}`;
-  div.innerHTML = `
-    <div class="card-inner">
-      <div class="card-header">
-        <div class="card-icon">&#9888;</div>
-        <div class="card-title">操作确认</div>
-      </div>
-      <div class="card-body">
-        <div class="card-command">${esc(command)}</div>
-        ${reason ? `<div class="card-reason">${esc(reason)}</div>` : ''}
-      </div>
-      <div class="card-actions" id="confirm-actions-${confirmationId}">
-        <button class="btn-confirm approve" onclick="replyConfirmation('${confirmationId}', true)">确认执行</button>
-        <button class="btn-confirm deny" onclick="replyConfirmation('${confirmationId}', false)">拒绝</button>
-      </div>
-    </div>
-  `;
-  container.appendChild(div);
-  scrollToBottom();
-}
-
-function replyConfirmation(confirmationId, approved) {
-  // Disable buttons immediately
-  const actionsEl = document.getElementById(`confirm-actions-${confirmationId}`);
-  if (actionsEl) {
-    const buttons = actionsEl.querySelectorAll('.btn-confirm');
-    buttons.forEach(btn => { btn.disabled = true; });
-  }
-
-  // Send reply to server
-  if (ws && ws.readyState === WebSocket.OPEN) {
-    ws.send(JSON.stringify({
-      type: 'confirmation_reply',
-      confirmation_id: confirmationId,
-      approved: approved,
-    }));
-  }
-}
-
-function updateConfirmationCard(data) {
-  const confirmationId = data.confirmation_id;
-  const approved = data.approved;
-  const cardEl = document.getElementById(`confirm-${confirmationId}`);
-  if (!cardEl) return;
-
-  // Replace actions with status
-  const actionsEl = document.getElementById(`confirm-actions-${confirmationId}`);
-  if (actionsEl) {
-    const statusClass = approved ? 'approved' : 'denied';
-    const statusText = approved ? '&#10003; 已确认执行' : '&#10007; 已拒绝';
-    actionsEl.outerHTML = `<div class="card-status ${statusClass}">${statusText}</div>`;
-  }
-  scrollToBottom();
-}
-
-// ── Send message ───────────────────────────────────────────────
-async function sendMessage() {
-  const input = document.getElementById('input');
-  const text = input.value.trim();
-  if (!text) return;
-
-  // Auto-create session if none is active
-  if (!activeSessionId) {
-    try {
-      const s = await api(API, '/sessions', {
-        method: 'POST',
-        body: JSON.stringify({ agent_name: 'default', metadata: { title: text.slice(0, 30) } }),
-      });
-      sessions.unshift(s);
-      activeSessionId = s.session_id;
-      localStorage.setItem('agentkit_active_session', s.session_id);
-      renderSessions();
-      showChat();
-      renderHistory([]);
-      connectWs(s.session_id);
-      // Wait for WebSocket to open before sending
-      await new Promise(resolve => {
-        const check = () => ws && ws.readyState === WebSocket.OPEN ? resolve() : setTimeout(check, 50);
-        check();
-      });
-    } catch (e) {
-      console.error('Auto-create session failed:', e);
-      return;
-    }
-  }
-
-  if (!ws || ws.readyState !== WebSocket.OPEN) return;
-
-  appendMessage('user', text);
-  input.value = '';
-  autoResize(input);
-
-  ws.send(JSON.stringify({ type: 'message', content: text }));
-  currentAgentBubble = null;
-  isStreaming = true;
-  updateSendBtn();
-  showLoading();
-}
-
-function handleKey(e) {
-  // e.isComposing is true during IME composition — don't submit then
-  if (e.key === 'Enter' && !e.shiftKey && !e.isComposing) {
-    e.preventDefault();
-    sendMessage();
-  }
-}
-
-// ── UI helpers ─────────────────────────────────────────────────
-function appendMessage(role, content) {
-  hideWelcome();
-  const container = document.getElementById('messages');
-  const div = document.createElement('div');
-  const cssRole = role === 'assistant' ? 'agent' : role;
-  div.className = `msg ${cssRole}`;
-  const bubble = document.createElement('div');
-  bubble.className = 'bubble';
-  // Render markdown for agent messages
-  if (cssRole === 'agent' && content) {
-    renderBubbleContent(bubble, content);
-  } else {
-    bubble.textContent = content;
-  }
-  div.appendChild(bubble);
-  const meta = document.createElement('div');
-  meta.className = 'meta';
-  meta.textContent = cssRole === 'user' ? '你' : '智能体';
-  div.appendChild(meta);
-  container.appendChild(div);
-  scrollToBottom();
-  return bubble;
-}
-
-function appendStep(text) {
-  hideWelcome();
-  const container = document.getElementById('messages');
-  const div = document.createElement('div');
-  div.className = 'msg agent';
-  const bubble = document.createElement('div');
-  bubble.className = 'bubble';
-  bubble.style.cssText = 'opacity:.5;font-size:12px;font-style:italic;border:none;background:transparent;padding:4px 8px;box-shadow:none';
-  bubble.textContent = text;
-  div.appendChild(bubble);
-  container.appendChild(div);
-  scrollToBottom();
-}
-
-function appendThinking() {
-  hideWelcome();
-  const container = document.getElementById('messages');
-  const div = document.createElement('div');
-  div.className = 'thinking-msg';
-  const bubble = document.createElement('div');
-  bubble.className = 'bubble';
-  div.appendChild(bubble);
-  container.appendChild(div);
-  return bubble;
-}
-
-function renderHistory(msgs) {
-  const container = document.getElementById('messages');
-  container.innerHTML = '';
-  if (!msgs.length) {
-    container.innerHTML = '<div class="welcome" id="welcome"><div class="welcome-icon">🤖</div><h2>欢迎使用 AgentKit</h2><p>开始一段新对话，或从侧边栏选择已有会话。</p></div>';
-    return;
-  }
-  for (const m of msgs) {
-    if (m.role === 'user' || m.role === 'assistant') {
-      appendMessage(m.role, m.content);
-    }
-  }
-  scrollToBottom();
-}
-
-function showWelcome() { const el = document.getElementById('welcome'); if (el) el.style.display = 'flex'; }
-function hideWelcome() { const el = document.getElementById('welcome'); if (el) el.style.display = 'none'; }
-function showChat() { hideWelcome(); }
-function setConnStatus(text, connected) {
-  const el = document.getElementById('connStatus');
-  el.textContent = text;
-  el.className = 'status' + (connected ? ' connected' : '');
-}
-function updateSendBtn() { document.getElementById('sendBtn').disabled = isStreaming; }
-function scrollToBottom() { const el = document.getElementById('messages'); el.scrollTop = el.scrollHeight; }
-function autoResize(el) { el.style.height = 'auto'; el.style.height = Math.min(el.scrollHeight, 160) + 'px'; }
-function esc(s) { const d = document.createElement('div'); d.textContent = s; return d.innerHTML; }
-
-function toggleSidebar() {
-  document.getElementById('sidebar').classList.toggle('open');
-  document.getElementById('overlay').classList.toggle('show');
-}
-
-// ── Right Sidebar ──────────────────────────────────────────────
-function toggleRightSidebar() {
-  document.getElementById('rightSidebar').classList.toggle('open');
-  if (document.getElementById('rightSidebar').classList.contains('open')) {
-    loadSkills();
-  }
-}
-
-function switchTab(tabId) {
-  document.querySelectorAll('.tab-btn').forEach(b => b.classList.toggle('active', b.dataset.tab === tabId));
-  document.querySelectorAll('.tab-panel').forEach(p => p.classList.toggle('active', p.id === `tab-${tabId}`));
-}
-
-// ── Skills ─────────────────────────────────────────────────────
-async function loadSkills() {
-  try {
-    skills = await api(SKILLS_API, '');
-    renderSkillGrid();
-  } catch (e) {
-    console.error('Load skills failed:', e);
-    skills = [];
-    renderSkillGrid();
-  }
-}
-
-function renderSkillGrid() {
-  const grid = document.getElementById('skillGrid');
-  if (!skills.length) {
-    grid.innerHTML = '<div class="empty-state" style="padding:20px;grid-column:1/-1">暂无已安装的技能。</div>';
-    return;
-  }
-  grid.innerHTML = skills.map(s => {
-    const desc = s.intent_description || s.description || '暂无描述';
-    const tools = s.bound_tools && s.bound_tools.length ? s.bound_tools.join(', ') : (s.tools && s.tools.length ? s.tools.join(', ') : '');
-    return `<div class="skill-card" onclick="useSkill('${esc(s.name)}')" title="点击使用此技能">
-      <button class="skill-remove" onclick="event.stopPropagation();removeSkill('${esc(s.name)}')" title="移除">&times;</button>
-      <div class="skill-name">${esc(s.name)}</div>
-      <div class="skill-desc">${esc(desc)}</div>
-      ${tools ? `<div class="skill-tools">${esc(tools)}</div>` : ''}
-    </div>`;
-  }).join('');
-}
-
-function useSkill(name) {
-  const skill = skills.find(s => s.name === name);
-  if (!skill) return;
-
-  const input = document.getElementById('input');
-  const skillRef = `@skill:${name} `;
-  if (!input.value.includes(skillRef)) {
-    input.value = skillRef + input.value;
-    input.focus();
-    autoResize(input);
-  }
-}
-
-function updateInstallBtn() {
-  const nameInput = document.getElementById('installSkillName');
-  const btn = document.getElementById('installBtn');
-  btn.disabled = !nameInput.value.trim();
-}
-
-async function installSkill() {
-  const nameInput = document.getElementById('installSkillName');
-  const name = nameInput.value.trim();
-  if (!name) return;
-
-  // Clear input immediately to prevent re-triggering
-  nameInput.value = '';
-  updateInstallBtn();
-
-  const btn = document.getElementById('installBtn');
-  const status = document.getElementById('installStatus');
-  btn.disabled = true;
-  btn.textContent = '搜索中...';
-  status.className = 'install-status';
-  status.textContent = '正在搜索并安装...';
-
-  try {
-    const result = await api(SKILLS_API, '/install', {
-      method: 'POST',
-      body: JSON.stringify({ name }),
-    });
-    status.className = 'install-status success';
-    status.textContent = `技能 "${result.name}" 安装成功！`;
-    await loadSkills();
-  } catch (e) {
-    status.className = 'install-status error';
-    status.textContent = `自动安装失败，正在请求智能体协助...`;
-
-    if (ws && ws.readyState === WebSocket.OPEN) {
-      const installMsg = `请帮我安装一个名为"${name}"的技能。请使用 skill_install 工具安装，source 参数格式为 owner/repo@skill。如果不知道完整 source，先用 shell 执行 npx skills search ${name} 搜索。`;
-      appendMessage('user', installMsg);
-      ws.send(JSON.stringify({ type: 'message', content: installMsg }));
-      currentAgentBubble = null;
-      isStreaming = true;
-      updateSendBtn();
-    }
-  } finally {
-    btn.disabled = false;
-    btn.textContent = '搜索';
-  }
-}
-
-async function removeSkill(name) {
-  if (!confirm(`确定移除技能 "${name}" 吗？`)) return;
-  try {
-    await api(SKILLS_API, `/${encodeURIComponent(name)}`, { method: 'DELETE' });
-    await loadSkills();
-  } catch (e) {
-    console.error('Remove skill failed:', e);
-  }
-}
-
-// ── Init ───────────────────────────────────────────────────────
-loadSessions();
-</script>
-</body>
+  <head>
+    <meta charset="UTF-8" />
+    <link rel="icon" type="image/svg+xml" href="/vite.svg" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Fischer AgentKit</title>
+    <script type="module" crossorigin src="/assets/index-C33ddnd0.js"></script>
+    <link rel="stylesheet" crossorigin href="/assets/index-vR_mL1Yy.css">
+  </head>
+  <body>
+    <div id="app"></div>
+  </body>
 </html>