diff --git a/dashboard/src/components/ProcessBlock.vue b/dashboard/src/components/ProcessBlock.vue
index c516f5a..c79dbbd 100644
--- a/dashboard/src/components/ProcessBlock.vue
+++ b/dashboard/src/components/ProcessBlock.vue
@@ -1,5 +1,5 @@
 <template>
-  <div ref="processRef" class="process-block" :class="{ 'is-streaming': streaming }">
+  <div class="process-block" :class="{ 'is-streaming': streaming }">
     <!-- Single loop: render all steps in index order for proper alternation -->
     <template v-for="item in orderedItems">
       <!-- Thinking Step -->
@@ -77,7 +77,6 @@ const props = defineProps({
   streaming: { type: Boolean, default: false },
 })
 
-const processRef = ref(null)
 const expandedKeys = ref(new Set())
 
 // 构建 processItems 从 processSteps
@@ -191,24 +190,6 @@ const orderedItems = computed(() =>
   [...allItems.value].sort((a, b) => (a.index || 0) - (b.index || 0))
 )
 
-const orderedThinkingItems = computed(() => 
-  allItems.value
-    .filter(i => i.type === 'thinking')
-    .sort((a, b) => (a.index || 0) - (b.index || 0))
-)
-
-const orderedToolCallItems = computed(() => 
-  allItems.value
-    .filter(i => i.type === 'tool_call')
-    .sort((a, b) => (a.index || 0) - (b.index || 0))
-)
-
-const orderedTextItems = computed(() => 
-  allItems.value
-    .filter(i => i.type === 'text')
-    .sort((a, b) => (a.index || 0) - (b.index || 0))
-)
-
 const hasContent = computed(() => allItems.value.length > 0)
 const lastThinkingKey = computed(() => {
   const items = allItems.value.filter(i => i.type === 'thinking')
@@ -377,8 +358,6 @@ const alertIcon = `<svg viewBox="0 0 24 24" width="16" height="16" fill="none" s
   animation: pulse 1s ease-in-out infinite;
 }
 
-.tool_call.loading .step-header { background: var(--bg-hover); }
-
 .step-content { padding: 12px; margin-top: 4px; background: var(--bg-code); border: 1px solid var(--border-light); border-radius: 8px; overflow: hidden; }
 .thinking-text { font-size: 13px; color: var(--text-secondary); line-height: 1.6; white-space: pre-wrap; }
 .tool-detail { font-size: 13px; }
diff --git a/dashboard/src/index.js b/dashboard/src/index.js
deleted file mode 100644
index eed2331..0000000
--- a/dashboard/src/index.js
+++ /dev/null
@@ -1,5 +0,0 @@
-// 导出组件
-export { default as AppHeader } from './components/AppHeader.vue'
-export { default as ProcessBlock } from './components/ProcessBlock.vue'
-export { default as MessageBubble } from './components/MessageBubble.vue'
-export { default as MessageNav } from './components/MessageNav.vue'
diff --git a/dashboard/src/style.css b/dashboard/src/style.css
index da40f43..24197b5 100644
--- a/dashboard/src/style.css
+++ b/dashboard/src/style.css
@@ -386,20 +386,6 @@ body {
   transition: background 0.2s, border-color 0.2s;
 }
 
-/* ============ App Layout ============ */
-.app {
-  height: 100vh;
-  display: flex;
-  overflow: hidden;
-}
-
-.main-panel {
-  flex: 1 1 0;
-  min-width: 0;
-  overflow: hidden;
-  transition: all 0.2s;
-}
-
 /* ============ Transitions ============ */
 .fade-enter-active,
 .fade-leave-active {
diff --git a/dashboard/src/utils/api.js b/dashboard/src/utils/api.js
index b703224..6a88fae 100644
--- a/dashboard/src/utils/api.js
+++ b/dashboard/src/utils/api.js
@@ -36,121 +36,6 @@ api.interceptors.response.use(
   }
 )
 
-/**
- * SSE 流式请求处理器
- * @param {string} url - API URL (不含 baseURL 前缀)
- * @param {object} body - 请求体
- * @param {object} callbacks - 事件回调: { onProcessStep, onDone, onError }
- * @returns {{ abort: () => void }}
- */
-export function createSSEStream(url, body, { onProcessStep, onDone, onError }) {
-  const token = localStorage.getItem('access_token')
-  const controller = new AbortController()
-
-  const promise = (async () => {
-    try {
-      const res = await fetch(`/api${url}`, {
-        method: 'POST',
-        headers: {
-          'Content-Type': 'application/json',
-          'Authorization': `Bearer ${token}`
-        },
-        body: JSON.stringify(body),
-        signal: controller.signal
-      })
-
-      if (!res.ok) {
-        const err = await res.json().catch(() => ({}))
-        throw new Error(err.message || `HTTP ${res.status}`)
-      }
-
-      const reader = res.body.getReader()
-      const decoder = new TextDecoder()
-      let buffer = ''
-      let completed = false
-
-      while (true) {
-        const { done, value } = await reader.read()
-        
-        // 处理数据
-        if (value) {
-          buffer += decoder.decode(value, { stream: true })
-        }
-        
-        // 流结束时，先处理 buffer 中的剩余数据，再 break
-        if (done) {
-          // 处理 buffer 中剩余的数据
-          const lines = buffer.split('\n')
-          buffer = ''
-          
-          let currentEvent = ''
-          for (const line of lines) {
-            if (line.startsWith('event: ')) {
-              currentEvent = line.slice(7).trim()
-            } else if (line.startsWith('data: ')) {
-              try {
-                const data = JSON.parse(line.slice(6))
-                if (currentEvent === 'process_step' && onProcessStep) {
-                  onProcessStep(data.step)
-                } else if (currentEvent === 'done' && onDone) {
-                  completed = true
-                  onDone(data)
-                } else if (currentEvent === 'error' && onError) {
-                  onError(data.content)
-                }
-              } catch (e) {
-                console.error('SSE parse error:', e, 'line:', line)
-              }
-            }
-          }
-          
-          // 如果没有收到 done 事件，触发错误
-          if (!completed && onError) {
-            onError('stream ended without done event')
-          }
-          break
-        }
-
-        const lines = buffer.split('\n')
-        buffer = lines.pop() || ''
-
-        let currentEvent = ''
-        for (const line of lines) {
-          if (line.startsWith('event: ')) {
-            currentEvent = line.slice(7).trim()
-          } else if (line.startsWith('data: ')) {
-            try {
-              const data = JSON.parse(line.slice(6))
-              if (currentEvent === 'process_step' && onProcessStep) {
-                onProcessStep(data.step)
-              } else if (currentEvent === 'done' && onDone) {
-                completed = true
-                onDone(data)
-              } else if (currentEvent === 'error' && onError) {
-                onError(data.content)
-              }
-            } catch (e) {
-              // 忽略解析错误
-            }
-          }
-        }
-      }
-
-      // 流结束但没有收到 done 事件，才报错
-      if (!completed && onError) {
-        onError('stream ended unexpectedly')
-      }
-    } catch (e) {
-      if (e.name !== 'AbortError' && onError) {
-        onError(e.message)
-      }
-    }
-  })()
-
-  promise.abort = () => controller.abort()
-  return promise
-}
-
 // ============ 认证接口 ============
 
 export const authAPI = {
@@ -177,17 +62,6 @@ export const conversationsAPI = {
 export const messagesAPI = {
   list: (conversationId, params) => api.get('/messages/', { params: { conversation_id: conversationId, ...params } }),
   send: (data) => api.post('/messages/', data),
-  
-  // 发送消息（流式）
-  sendStream: (data, callbacks) => {
-    return createSSEStream('/messages/stream', {
-      conversation_id: data.conversation_id,
-      content: data.content,
-      thinking_enabled: data.thinking_enabled || false,
-      enabled_tools: data.enabled_tools || []
-    }, callbacks)
-  },
-  
   delete: (id) => api.delete(`/messages/${id}`)
 }
 
diff --git a/dashboard/src/utils/index.js b/dashboard/src/utils/index.js
index 35fa416..1d35eb9 100644
--- a/dashboard/src/utils/index.js
+++ b/dashboard/src/utils/index.js
@@ -1,25 +1 @@
-/**
- * Luxx 前端工具库
- * 合并了 composables、services 和 stores 的统一导出
- */
-
-// ============ API 服务 ============
-export { default as api, authAPI, conversationsAPI, messagesAPI, toolsAPI, providersAPI, createSSEStream } from './api.js'
-
-// ============ Pinia 状态管理 ============
 export { default as pinia } from './store.js'
-
-// ============ 认证相关 ============
-export { useAuth } from './useAuth.js'
-
-// ============ API 请求组合式函数 ============
-export { useApi, usePagination, useForm } from './useApi.js'
-
-// ============ 格式化工具 ============
-export { formatDate, formatNumber, truncate, formatFileSize, capitalize, formatTokens } from './useFormatters.js'
-
-// ============ 通用工具函数 ============
-export { debounce, throttle, deepClone, generateId, storage, getDeviceType, copyToClipboard } from './useUtils.js'
-
-// ============ Markdown 渲染 ============
-export { renderMarkdown } from './markdown.js'
diff --git a/dashboard/src/utils/useApi.js b/dashboard/src/utils/useApi.js
deleted file mode 100644
index 14fc28b..0000000
--- a/dashboard/src/utils/useApi.js
+++ /dev/null
@@ -1,171 +0,0 @@
-/**
- * API 请求组合式函数
- * 提供统一的错误处理和加载状态管理
- */
-import { ref } from 'vue'
-
-export function useApi() {
-  const loading = ref(false)
-  const error = ref(null)
-
-  /**
-   * 执行 API 请求
-   * @param {Function} apiFn - API 函数
-   * @param {Object} options - 配置选项
-   * @returns {Promise<Object>} 响应数据
-   */
-  const request = async (apiFn, options = {}) => {
-    const { showLoading = true, errorMessage = '请求失败' } = options
-    
-    loading.value = true
-    error.value = null
-    
-    try {
-      const response = await apiFn()
-      
-      if (response.success) {
-        return response.data
-      } else {
-        throw new Error(response.message || errorMessage)
-      }
-    } catch (err) {
-      error.value = err.message || errorMessage
-      throw err
-    } finally {
-      loading.value = false
-    }
-  }
-
-  /**
-   * 重置状态
-   */
-  const reset = () => {
-    loading.value = false
-    error.value = null
-  }
-
-  return {
-    loading,
-    error,
-    request,
-    reset
-  }
-}
-
-/**
- * 分页组合式函数
- */
-export function usePagination(initialPage = 1, initialPageSize = 20) {
-  const page = ref(initialPage)
-  const pageSize = ref(initialPageSize)
-  const total = ref(0)
-
-  const totalPages = () => Math.ceil(total.value / pageSize.value)
-
-  const nextPage = () => {
-    if (page.value < totalPages()) {
-      page.value++
-    }
-  }
-
-  const prevPage = () => {
-    if (page.value > 1) {
-      page.value--
-    }
-  }
-
-  const goToPage = (p) => {
-    if (p >= 1 && p <= totalPages()) {
-      page.value = p
-    }
-  }
-
-  const resetPagination = () => {
-    page.value = initialPage
-    total.value = 0
-  }
-
-  return {
-    page,
-    pageSize,
-    total,
-    totalPages,
-    nextPage,
-    prevPage,
-    goToPage,
-    resetPagination
-  }
-}
-
-/**
- * 表单组合式函数
- */
-export function useForm(initialData = {}) {
-  const formData = ref({ ...initialData })
-  const errors = ref({})
-  const submitting = ref(false)
-
-  const updateField = (field, value) => {
-    formData.value[field] = value
-    // 清除字段错误
-    if (errors.value[field]) {
-      delete errors.value[field]
-    }
-  }
-
-  const setFieldError = (field, message) => {
-    errors.value[field] = message
-  }
-
-  const setErrors = (errorObj) => {
-    errors.value = errorObj
-  }
-
-  const clearErrors = () => {
-    errors.value = {}
-  }
-
-  const resetForm = (newData = {}) => {
-    formData.value = { ...initialData, ...newData }
-    errors.value = {}
-  }
-
-  const validate = (rules) => {
-    const newErrors = {}
-    
-    for (const [field, rule] of Object.entries(rules)) {
-      const value = formData.value[field]
-      
-      if (rule.required && !value) {
-        newErrors[field] = rule.message || `${field}不能为空`
-      }
-      
-      if (rule.minLength && value && value.length < rule.minLength) {
-        newErrors[field] = rule.message || `${field}长度不能少于${rule.minLength}位`
-      }
-      
-      if (rule.maxLength && value && value.length > rule.maxLength) {
-        newErrors[field] = rule.message || `${field}长度不能超过${rule.maxLength}位`
-      }
-      
-      if (rule.pattern && value && !rule.pattern.test(value)) {
-        newErrors[field] = rule.message || `${field}格式不正确`
-      }
-    }
-    
-    setErrors(newErrors)
-    return Object.keys(newErrors).length === 0
-  }
-
-  return {
-    formData,
-    errors,
-    submitting,
-    updateField,
-    setFieldError,
-    setErrors,
-    clearErrors,
-    resetForm,
-    validate
-  }
-}
diff --git a/dashboard/src/utils/useFormatters.js b/dashboard/src/utils/useFormatters.js
index 851d6c7..bce04e3 100644
--- a/dashboard/src/utils/useFormatters.js
+++ b/dashboard/src/utils/useFormatters.js
@@ -40,27 +40,6 @@ export const formatNumber = (num, options = {}) => {
   }).format(num) + suffix
 }
 
-/**
- * 截断文本
- */
-export const truncate = (text, maxLength = 50, suffix = '...') =>
-  !text || text.length <= maxLength ? text : text.slice(0, maxLength - suffix.length) + suffix
-
-/**
- * 格式化文件大小
- */
-export const formatFileSize = (bytes) => {
-  if (!bytes) return '0 B'
-  const k = 1024, sizes = ['B', 'KB', 'MB', 'GB', 'TB']
-  const i = Math.floor(Math.log(bytes) / Math.log(k))
-  return `${(bytes / Math.pow(k, i)).toFixed(2)} ${sizes[i]}`
-}
-
-/**
- * 首字母大写
- */
-export const capitalize = (str) => str ? str.replace(/^./, c => c.toUpperCase()) : ''
-
 /**
  * 格式化令牌数
  */
diff --git a/dashboard/src/utils/useUtils.js b/dashboard/src/utils/useUtils.js
deleted file mode 100644
index b02629c..0000000
--- a/dashboard/src/utils/useUtils.js
+++ /dev/null
@@ -1,63 +0,0 @@
-/**
- * 防抖函数
- * @param {Function} func - 要执行的函数
- * @param {number} wait - 等待时间（毫秒）
- */
-export const debounce = (fn, wait = 300) => {
-  let t
-  return (...args) => (clearTimeout(t), t = setTimeout(() => fn(...args), wait))
-}
-
-/**
- * 节流函数
- * @param {Function} func - 要执行的函数
- * @param {number} limit - 时间限制（毫秒）
- */
-export const throttle = (fn, limit = 300) => {
-  let t
-  return (...args) => !t && (fn(...args), t = setTimeout(() => t = null, limit))
-}
-
-/**
- * 深拷贝（使用原生 API）
- * @param {any} obj - 要拷贝的对象
- */
-export const deepClone = (obj) => structuredClone(obj)
-
-/**
- * 生成随机 Id
- * @param {number} length - 长度
- */
-export const generateId = (length = 8) =>
-  Math.random().toString(36).slice(2, 2 + length)
-
-/**
- * 本地存储工具
- */
-export const storage = {
-  get: (key, defaultValue = null) => {
-    try {
-      const item = localStorage.getItem(key)
-      return item ? JSON.parse(item) : defaultValue
-    } catch { return defaultValue }
-  },
-  set: (key, value) => { try { localStorage.setItem(key, JSON.stringify(value)); return true } catch { return false } },
-  remove: (key) => { try { localStorage.removeItem(key); return true } catch { return false } },
-  clear: () => { try { localStorage.clear(); return true } catch { return false } }
-}
-
-/**
- * 检测设备类型
- */
-export const getDeviceType = () => {
-  const ua = navigator.userAgent
-  if (/(tablet|ipad|playbook|silk)|(android(?!.*mobi))/i.test(ua)) return 'tablet'
-  if (/Mobile|Android|iP(hone|od)|IEMobile|BlackBerry|Kindle|Silk-Accelerated|(hpw|web)OS|Opera M(obi|ini)/.test(ua)) return 'mobile'
-  return 'desktop'
-}
-
-/**
- * 复制到剪贴板
- * @param {string} text - 要复制的文本
- */
-export const copyToClipboard = (text) => navigator.clipboard.writeText(text).then(() => true).catch(() => false)
diff --git a/dashboard/src/views/ConversationView.vue b/dashboard/src/views/ConversationView.vue
index 4e5f41f..63dd082 100644
--- a/dashboard/src/views/ConversationView.vue
+++ b/dashboard/src/views/ConversationView.vue
@@ -202,8 +202,6 @@ const form = ref({ title: '', provider_id: null, model: '' })
 const newMessage = ref('')
 const messagesContainer = ref(null)
 const activeMessageId = ref(null)
-let scrollObserver = null
-const observedElements = new Set()
 
 const editConv = ref(null)
 
@@ -314,7 +312,6 @@ onMounted(() => {
 })
 
 onUnmounted(() => {
-  scrollObserver?.disconnect()
   cleanup()
 })
 </script>
@@ -385,9 +382,6 @@ onUnmounted(() => {
 
 /* 聊天视图容器 */
 .chat-view-container { flex: 1; display: flex; flex-direction: column; height: 100%; overflow: hidden; }
-.chat-header { display: flex; justify-content: flex-end; padding: 8px; border-bottom: 1px solid var(--border-light); }
-.btn-nav-toggle { background: none; border: none; font-size: 18px; cursor: pointer; padding: 4px 8px; border-radius: 4px; transition: background 0.15s; }
-.btn-nav-toggle:hover { background: var(--bg-hover); }
 .chat-messages { flex: 1; overflow-y: auto; padding: 0.75rem; }
 .chat-message { display: flex; gap: 0.75rem; margin-bottom: 0.75rem; }
 .chat-message.user { flex-direction: row-reverse; }
@@ -396,21 +390,10 @@ onUnmounted(() => {
 @keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.6; } }
 .message-content { max-width: 80%; width: 80%; }
 .chat-message.user .message-content { max-width: 80%; width: auto; }
-.message-text { padding: 0.65rem 0.9rem; border-radius: 12px; font-size: 0.9rem; line-height: 1.5; background: var(--bg-secondary); color: var(--text-primary); word-break: break-word; }
-.chat-message.user .message-text { background: var(--accent-primary); color: white; }
 .chat-empty { flex: 1; display: flex; align-items: center; justify-content: center; color: var(--text-tertiary); font-size: 0.85rem; }
 .loading-messages { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 2rem; color: var(--text-secondary); font-size: 0.85rem; }
 .loading-messages .spinner-small { margin-bottom: 0.5rem; }
 
-/* Markdown 内容样式 */
-.message-text { line-height: 1.6; }
-.message-text :deep(pre) { background: var(--bg-code); border-radius: 8px; padding: 0.75rem; overflow-x: auto; margin: 0.5rem 0; }
-.message-text :deep(code) { background: var(--bg-code); padding: 0.15rem 0.35rem; border-radius: 4px; font-size: 0.85em; }
-.message-text :deep(pre code) { background: none; padding: 0; }
-.message-text :deep(p) { margin: 0.5rem 0; }
-.message-text :deep(p:first-child) { margin-top: 0; }
-.message-text :deep(p:last-child) { margin-bottom: 0; }
-
 /* 聊天输入区 */
 .chat-input-area { padding: 1rem; border-top: 1px solid var(--border-light); display: flex; gap: 0.75rem; }
 .chat-input { flex: 1; padding: 0.65rem 0.9rem; border: 1px solid var(--border-input); border-radius: 8px; background: var(--bg-input); color: var(--text-primary); font-size: 0.9rem; }
diff --git a/dashboard/src/views/HomeView.vue b/dashboard/src/views/HomeView.vue
index dd4b55d..1a28ab3 100644
--- a/dashboard/src/views/HomeView.vue
+++ b/dashboard/src/views/HomeView.vue
@@ -9,17 +9,14 @@
 
     <div class="stats-section">
       <div class="stat-card">
-        <div class="stat-icon"></div>
         <div class="stat-number">{{ stats.conversations }}</div>
         <div class="stat-label">会话</div>
       </div>
       <div class="stat-card">
-        <div class="stat-icon"></div>
         <div class="stat-number">{{ stats.tools }}</div>
         <div class="stat-label">工具</div>
       </div>
       <div class="stat-card">
-        <div class="stat-icon"></div>
         <div class="stat-number">{{ formatTokens(stats.totalTokens) }}</div>
         <div class="stat-label">Tokens</div>
       </div>
diff --git a/dashboard/src/views/SettingsView.vue b/dashboard/src/views/SettingsView.vue
index ad11807..d32ecac 100644
--- a/dashboard/src/views/SettingsView.vue
+++ b/dashboard/src/views/SettingsView.vue
@@ -613,8 +613,6 @@ onMounted(() => {
 .section-title { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.75rem; padding: 0.5rem 0; }
 .section-icon { font-size: 1rem; }
 .section-text { font-size: 1rem; font-weight: 700; color: var(--text-primary); }
-.btn-add { margin-left: auto; padding: 0.4rem 0.8rem; background: var(--accent-primary); color: white; border: none; border-radius: 6px; font-size: 0.8rem; cursor: pointer; transition: all 0.2s; }
-.btn-add:hover { background: var(--accent-primary-hover); }
 
 /* 设置卡片 */
 .settings-card { background: var(--bg-primary); border: 1px solid var(--border-light); border-radius: 12px; overflow: hidden; }
@@ -648,7 +646,6 @@ textarea { width: 100%; padding: 0.75rem; border: 1px solid var(--border-input);
 .name-col { width: 15%; min-width: 120px; }
 .info-col { width: 60%; min-width: 200px; }
 .switch-col { text-align: center; width: 80px; }
-.action-col { text-align: center; width: 80px; }
 .ops-col { width: 15%; min-width: 180px; text-align: center; }
 
 /* Provider 单元格 */
@@ -703,12 +700,6 @@ textarea { width: 100%; padding: 0.75rem; border: 1px solid var(--border-input);
 .form-group label { display: block; margin-bottom: 0.5rem; font-weight: 500; color: var(--text-primary); font-size: 0.9rem; }
 .form-group input { width: 100%; padding: 0.65rem; border: 1px solid var(--border-input); border-radius: 8px; background: var(--bg-input); box-sizing: border-box; color: var(--text-primary); font-size: 0.9rem; }
 .form-group .hint { font-size: 0.75rem; color: var(--text-tertiary); margin-top: 4px; display: block; }
-.switch-card { display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.25rem; background: var(--bg-secondary); border: 1px solid var(--border-light); border-radius: 10px; cursor: pointer; transition: all 0.2s; }
-.switch-card:hover { border-color: var(--accent-primary); }
-.switch-card.active { border-color: var(--accent-primary); background: var(--accent-primary-light); }
-.switch-content { display: flex; flex-direction: column; gap: 0.25rem; }
-.switch-title { font-weight: 600; color: var(--text-primary); }
-.switch-desc { font-size: 0.8rem; color: var(--text-secondary); }
 .optional { color: var(--text-tertiary); font-weight: normal; font-size: 0.8rem; }
 .error { color: var(--danger-color); background: var(--danger-bg); padding: 0.75rem; border-radius: 8px; margin-top: 0.75rem; font-size: 0.85rem; }