refactor(ui): 重构 PointsTag 组件并优化 AI 聊天抽屉样式

- 将 PointsTag.vue 从 Less 迁移至 Tailwind CSS，移除冗余样式和 showIcon 属性
- 优化 ChatDrawer 组件视觉设计，包括背景、间距和渐变效果
- 统一 ChatDrawer 子组件（Header、Footer、Empty、Result）的样式和交互细节
- 使用 Skeleton 组件改进加载状态，增强视觉一致性
- 调整按钮尺寸、图标大小和文本样式以符合设计系统规范

frontend/app/web-gold/src/components/PointsTag.vue

@@ -1,100 +1,45 @@
-<template>
-  <span v-if="displayText" :class="['points-tag', `points-tag--${size}`, { 'points-tag--free': isFree }]">
-    <span v-if="showIcon" class="points-tag__icon">⚡</span>
-    <span class="points-tag__text">{{ displayText }}</span>
-  </span>
-</template>
-
 <script setup>
 import { computed } from 'vue'
 import { usePointsConfigStore } from '@/stores/pointsConfig'
 
 const props = defineProps({
-  // 模型代码
-  modelCode: {
-    type: String,
-    default: ''
-  },
-  // 直接传入积分数（优先级高于 modelCode）
-  points: {
-    type: Number,
-    default: null
-  },
-  // 尺寸
-  size: {
-    type: String,
-    default: 'default', // small, default, large
-    validator: (value) => ['small', 'default', 'large'].includes(value)
-  },
-  // 是否显示图标
-  showIcon: {
-    type: Boolean,
-    default: false
-  }
+  modelCode: { type: String, default: '' },
+  points: { type: Number, default: null },
+  size: { type: String, default: 'default' }
 })
 
 const pointsConfigStore = usePointsConfigStore()
 
-// 获取积分数
 const consumePoints = computed(() => {
-  if (props.points !== null) {
-    return props.points
-  }
-  if (props.modelCode) {
-    return pointsConfigStore.getConsumePoints(props.modelCode)
-  }
+  if (props.points !== null) return props.points
+  if (props.modelCode) return pointsConfigStore.getConsumePoints(props.modelCode)
   return null
 })
 
-// 是否免费
 const isFree = computed(() => consumePoints.value === 0)
 
-// 显示文本
 const displayText = computed(() => {
-  if (consumePoints.value === null) {
-    return ''
-  }
+  if (consumePoints.value === null) return ''
   return pointsConfigStore.formatPoints(consumePoints.value)
 })
+
+const sizeClass = computed(() => {
+  const map = { small: 'px-1 py-0.5 text-[10px]', default: 'px-1.5 py-0.5 text-xs', large: 'px-2 py-1 text-sm' }
+  return map[props.size] || map.default
+})
 </script>
 
-<style scoped lang="less">
-.points-tag {
-  display: inline-flex;
-  align-items: center;
-  gap: var(--space-1);
-  border-radius: var(--radius-tag);
-  font-weight: 500;
-  background: var(--primary);
-  color: var(--primary-foreground);
-  white-space: nowrap;
-
-  &--small {
-    padding: 1px 6px;
-    font-size: var(--font-size-xs);
-  }
-
-  &--default {
-    padding: 2px var(--space-2);
-    font-size: var(--font-size-sm);
-  }
-
-  &--large {
-    padding: var(--space-1) var(--space-3);
-    font-size: var(--font-size-base);
-  }
-
-  &--free {
-    background: var(--success);
-    color: white;
-  }
-
-  &__icon {
-    font-size: 0.9em;
-  }
-
-  &__text {
-    line-height: 1;
-  }
-}
-</style>
+<template>
+  <span
+    v-if="displayText"
+    :class="[
+      'inline-flex items-center rounded border font-medium whitespace-nowrap',
+      sizeClass,
+      isFree
+        ? 'border-success/50 text-success'
+        : 'border-current/30 text-current opacity-80'
+    ]"
+  >
+    {{ displayText }}
+  </span>
+</template>

frontend/app/web-gold/src/components/agents/ChatDrawer.vue

@@ -179,9 +179,9 @@ watch(() => props.visible, (val) => {
 
 <template>
   <Sheet :open="visible" @update:open="handleClose">
-    <SheetContent side="right" class="w-[560px] sm:max-w-full p-0 flex flex-col">
+    <SheetContent side="right" class="w-[560px] sm:max-w-full p-0 flex flex-col bg-background">
       <!-- Header -->
-      <SheetHeader>
+      <SheetHeader class="shrink-0">
         <ChatDrawerHeader :agent="agent" @history="openHistory" />
         <SheetDescription class="sr-only">AI 对话面板</SheetDescription>
       </SheetHeader>
@@ -190,7 +190,7 @@ watch(() => props.visible, (val) => {
       <div class="flex-1 flex flex-col min-h-0 overflow-hidden">
         <!-- Empty State -->
         <ChatDrawerEmpty v-if="!generatedContent && !isGenerating" />
-        
+
         <!-- Result Area -->
         <ChatDrawerResult
           v-else

frontend/app/web-gold/src/components/agents/ChatDrawerEmpty.vue

@@ -4,25 +4,24 @@ import { Icon } from '@iconify/vue'
 
 <template>
   <div class="flex-1 flex flex-col items-center justify-center p-8 text-center">
-    <div class="relative w-24 h-24 mb-6">
-      <div class="absolute inset-0 rounded-full border-2 border-primary/20 animate-pulse"></div>
-      <div class="absolute inset-1 rounded-full border-2 border-primary/15 animate-pulse" style="animation-delay: 0.5s"></div>
-      <div class="absolute inset-2 rounded-full border-2 border-primary/10 animate-pulse" style="animation-delay: 1s"></div>
-      <div class="absolute top-1/2 left-1/2 -translate-x-1/2 -translate-y-1/2 w-12 h-12 rounded-full bg-gradient-to-br from-primary to-violet-500 flex items-center justify-center shadow-lg shadow-primary/30">
-        <Icon icon="lucide:bot" class="text-white text-xl" />
+    <div class="relative w-20 h-20 mb-5">
+      <div class="absolute inset-0 rounded-full bg-gradient-to-br from-primary/20 to-violet-500/20 animate-pulse"></div>
+      <div class="absolute inset-2 rounded-full bg-gradient-to-br from-primary/30 to-violet-500/30 animate-pulse" style="animation-delay: 0.3s"></div>
+      <div class="absolute inset-4 rounded-full bg-gradient-to-br from-primary to-violet-500 flex items-center justify-center shadow-lg shadow-primary/25">
+        <Icon icon="lucide:sparkles" class="text-white text-2xl" />
       </div>
     </div>
-    <h3 class="text-lg font-semibold text-foreground mb-2">准备好为你生成内容</h3>
-    <p class="text-sm text-muted-foreground mb-6 max-w-[280px]">
+    <h3 class="text-base font-semibold text-foreground mb-1.5">准备好为你生成内容</h3>
+    <p class="text-sm text-muted-foreground mb-5 max-w-[260px] leading-relaxed">
       在下方输入框描述你的需求，AI 将立即开始创作
     </p>
-    <div class="flex flex-col gap-3">
+    <div class="flex flex-col gap-2.5">
       <div class="flex items-center gap-2 text-sm text-muted-foreground">
-        <Icon icon="lucide:zap" class="text-primary" />
+        <Icon icon="lucide:zap" class="size-4 text-primary" />
         <span>深度模式支持复杂任务</span>
       </div>
       <div class="flex items-center gap-2 text-sm text-muted-foreground">
-        <Icon icon="lucide:pencil" class="text-primary" />
+        <Icon icon="lucide:pencil" class="size-4 text-primary" />
         <span>可随时重新生成调整</span>
       </div>
     </div>

frontend/app/web-gold/src/components/agents/ChatDrawerFooter.vue

@@ -25,16 +25,22 @@ const handleGenerate = () => emit('generate')
 </script>
 
 <template>
-  <div class="shrink-0 px-5 py-4 border-t border-border bg-background/95 backdrop-blur-sm">
+  <div class="shrink-0 px-4 py-3 border-t border-border/50 bg-gradient-to-t from-muted/20 to-background/95 backdrop-blur-sm">
     <!-- Model Selector -->
-    <Tabs v-model="modelMode" class="mb-3">
-      <TabsList class="w-full">
-        <TabsTrigger value="standard" class="flex-1 gap-1.5">
+    <Tabs v-model="modelMode" class="mb-2.5">
+      <TabsList class="w-full h-8 p-0.5 bg-muted/50">
+        <TabsTrigger
+          value="standard"
+          class="flex-1 h-7 gap-1 text-xs data-[state=active]:bg-primary/10 data-[state=active]:text-primary data-[state=active]:shadow-none"
+        >
           标准
           <PointsTag :points="10" size="small" />
         </TabsTrigger>
-        <TabsTrigger value="pro" class="flex-1 gap-1.5">
-          <Icon icon="lucide:zap" class="size-4" />
+        <TabsTrigger
+          value="pro"
+          class="flex-1 h-7 gap-1 text-xs data-[state=active]:bg-gradient-to-r data-[state=active]:from-primary data-[state=active]:to-violet-500 data-[state=active]:text-white data-[state=active]:shadow-sm data-[state=active]:shadow-primary/20"
+        >
+          <Icon icon="lucide:zap" class="size-3" />
           深度
           <PointsTag :points="50" size="small" />
         </TabsTrigger>
@@ -46,12 +52,12 @@ const handleGenerate = () => emit('generate')
       <Textarea
         v-model="inputText"
         placeholder="输入你的需求..."
-        class="pr-12 min-h-[52px] max-h-[120px] resize-none"
+        class="pr-11 min-h-[48px] max-h-[100px] resize-none text-sm"
         @keydown="handleKeyDown"
       />
       <Button
         size="icon"
-        class="absolute right-2 bottom-2 size-9"
+        class="absolute right-1.5 bottom-1.5 size-8"
         :disabled="!inputText.trim() || isGenerating"
         @click="handleGenerate"
       >
@@ -60,7 +66,7 @@ const handleGenerate = () => emit('generate')
       </Button>
     </div>
 
-    <p class="text-center text-xs text-muted-foreground mt-2 mb-0">
+    <p class="text-center text-[11px] text-muted-foreground/70 mt-1.5 mb-0">
       按 Enter 发送，Shift + Enter 换行
     </p>
   </div>

frontend/app/web-gold/src/components/agents/ChatDrawerHeader.vue

@@ -1,5 +1,6 @@
 <script setup>
 import { Icon } from '@iconify/vue'
+import { Button } from '@/components/ui/button'
 
 defineProps({
   agent: { type: Object, default: null }
@@ -11,28 +12,30 @@ const openHistory = () => emit('history')
 </script>
 
 <template>
-  <div class="flex items-center justify-between px-5 py-4 border-b border-border shrink-0">
+  <div class="flex items-center justify-between px-4 py-3 border-b border-border/50 shrink-0 bg-gradient-to-r from-background to-muted/30">
     <div class="flex items-center gap-3">
-      <div class="w-10 h-10 rounded-lg bg-gradient-to-br from-primary to-violet-500 flex items-center justify-center overflow-hidden">
-        <img 
-          v-if="agent?.avatar" 
-          :src="agent.avatar" 
+      <div class="size-10 rounded-xl bg-gradient-to-br from-primary to-violet-500 flex items-center justify-center overflow-hidden shadow-sm shadow-primary/20">
+        <img
+          v-if="agent?.avatar"
+          :src="agent.avatar"
           :alt="agent.name"
           class="w-full h-full object-cover"
         />
         <Icon v-else icon="lucide:bot" class="text-white text-xl" />
       </div>
       <div>
-        <div class="font-semibold text-foreground">{{ agent?.name || 'AI 助手' }}</div>
-        <div class="text-sm text-muted-foreground">{{ agent?.categoryName || '通用' }}</div>
+        <div class="font-semibold text-foreground text-sm">{{ agent?.name || 'AI 助手' }}</div>
+        <div class="text-xs text-muted-foreground">{{ agent?.categoryName || '通用' }}</div>
       </div>
     </div>
-    <button 
-      class="inline-flex items-center justify-center rounded-md text-sm font-medium h-9 w-9 hover:bg-accent hover:text-accent-foreground"
+    <Button
+      variant="ghost"
+      size="icon"
+      class="size-9"
       @click="openHistory"
       title="历史记录"
     >
-      <Icon icon="lucide:history" class="size-5" />
-    </button>
+      <Icon icon="lucide:history" class="size-4" />
+    </Button>
   </div>
 </template>

frontend/app/web-gold/src/components/agents/ChatDrawerResult.vue

@@ -1,9 +1,11 @@
 <script setup>
+import { ref, nextTick } from 'vue'
 import { Icon } from '@iconify/vue'
 import { Button } from '@/components/ui/button'
 import { ScrollArea } from '@/components/ui/scroll-area'
+import Skeleton from '@/components/ui/skeleton/Skeleton.vue'
 
-defineProps({
+const props = defineProps({
   currentInput: { type: String, default: '' },
   generatedContent: { type: String, default: '' },
   isGenerating: { type: Boolean, default: false }
@@ -11,11 +13,11 @@ defineProps({
 
 const emit = defineEmits(['reset', 'copy', 'regenerate'])
 
-const handleReset = () => emit('reset')
-const handleCopy = () => emit('copy', props.generatedContent)
-const handleRegenerate = () => emit('regenerate')
+const scrollAreaRef = ref(null)
 
-const scrollAreaRef = defineExpose({ scrollAreaRef })
+const handleReset = () => emit('reset')
+const handleCopy = () => emit('copy')
+const handleRegenerate = () => emit('regenerate')
 
 const scrollToBottom = () => {
   nextTick(() => {
@@ -32,15 +34,16 @@ defineExpose({ scrollToBottom })
 </script>
 
 <template>
-  <div class="flex-1 flex flex-col min-h-0 p-5 gap-4">
+  <div class="flex-1 flex flex-col min-h-0 p-4 gap-3">
     <!-- User Prompt Display -->
-    <div class="flex items-start gap-2 p-3 bg-muted rounded-lg">
+    <div class="flex items-start gap-2 p-3 bg-gradient-to-r from-primary/5 to-accent/5 rounded-lg border border-primary/10">
+      <Icon icon="lucide:user" class="size-4 text-primary mt-0.5 shrink-0" />
       <p class="flex-1 text-sm text-foreground leading-relaxed m-0">{{ currentInput }}</p>
-      <Button 
+      <Button
         v-if="generatedContent && !isGenerating"
-        variant="ghost" 
+        variant="ghost"
         size="icon"
-        class="size-7 shrink-0"
+        class="size-7 shrink-0 hover:bg-primary/10"
         @click="handleReset"
       >
         <Icon icon="lucide:pencil" class="size-4" />
@@ -49,34 +52,35 @@ defineExpose({ scrollToBottom })
 
     <!-- Result Content -->
     <ScrollArea ref="scrollAreaRef" class="flex-1 min-h-0">
-      <div class="p-4 bg-card border border-border rounded-lg">
+      <div class="p-4 bg-card/50 backdrop-blur-sm border border-border/50 rounded-lg shadow-sm">
         <!-- Generating Skeleton -->
         <div v-if="isGenerating && !generatedContent" class="space-y-3">
-          <div class="h-4 bg-muted rounded animate-pulse"></div>
-          <div class="h-4 bg-muted rounded animate-pulse w-3/4"></div>
-          <div class="h-4 bg-muted rounded animate-pulse w-1/2"></div>
+          <Skeleton class="h-4 w-full" />
+          <Skeleton class="h-4 w-4/5" />
+          <Skeleton class="h-4 w-3/5" />
+          <Skeleton class="h-4 w-2/5" />
         </div>
 
         <!-- Actual Content -->
-        <div 
-          v-else 
+        <div
+          v-else
           class="text-sm text-foreground leading-relaxed whitespace-pre-wrap"
           :class="{ 'opacity-90': isGenerating }"
         >
           {{ generatedContent }}
-          <span v-if="isGenerating" class="inline-block w-0.5 h-4 bg-primary ml-0.5 animate-pulse"></span>
+          <span v-if="isGenerating" class="inline-block w-0.5 h-4 bg-primary ml-0.5 animate-pulse rounded-full"></span>
         </div>
       </div>
     </ScrollArea>
 
     <!-- Action Bar -->
-    <div v-if="generatedContent && !isGenerating" class="flex gap-3">
-      <Button class="flex-1" @click="handleCopy">
-        <Icon icon="lucide:copy" class="mr-2" />
-        复制
+    <div v-if="generatedContent && !isGenerating" class="flex gap-2">
+      <Button class="flex-1 h-9" @click="handleCopy">
+        <Icon icon="lucide:copy" class="size-4 mr-1.5" />
+        复制内容
       </Button>
-      <Button variant="outline" class="flex-1" @click="handleRegenerate">
-        <Icon icon="lucide:refresh-cw" class="mr-2" />
+      <Button variant="outline" class="flex-1 h-9" @click="handleRegenerate">
+        <Icon icon="lucide:refresh-cw" class="size-4 mr-1.5" />
         重新生成
       </Button>
     </div>