feat: 首页整合发布信息功能，移除检测引擎状态

将发布信息与检测反馈直接放在首页，加入快捷示例和批量识别入口

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

miniprogram/pages/home/index.js

@@ -1,17 +1,19 @@
 const { request } = require('../../utils/request')
 
-const USER_MODULES = [
-  { name: '批量识别', desc: '多条文本批量检测并给出风险汇总', tag: '批量筛查', path: '/pages/batch/index' }
+const QUICK_TEXTS = [
+  '大家好，今晚 8 点社区线上读书会，欢迎参加。',
+  '恭喜中奖领取大额现金，点击链接立即到账。',
+  '本周活动报名已开放，请在群里接龙。',
+  '高薪兼职日结，扫码进群立刻赚钱。'
 ]
 
 Page({
   data: {
-    loading: true,
+    loading: false,
     user: null,
-    modelInfo: null,
-    threshold: null,
-    thresholdText: '--',
-    userModules: USER_MODULES
+    text: '',
+    result: null,
+    quickTexts: QUICK_TEXTS
   },
 
   onShow() {
@@ -25,29 +27,89 @@ Page({
       return
     }
 
-    this.setData({ loading: true })
     try {
-      const [user, modelInfo] = await Promise.all([
-        request({ url: '/auth/me' }),
-        request({ url: '/spam/model/info' })
-      ])
-
+      const user = await request({ url: '/auth/me' })
       app.globalData.user = user
       wx.setStorageSync('user', user)
-      const threshold = modelInfo.threshold || null
-      const thresholdText = threshold === null || threshold === undefined ? '--' : `${(Number(threshold) * 100).toFixed(1)}%`
-      this.setData({ user, modelInfo, threshold, thresholdText })
+      this.setData({ user })
+    } catch (e) {
+      // ignore
+    }
+  },
+
+  formatPercent(value, digits = 2) {
+    const num = Number(value || 0)
+    return `${(num * 100).toFixed(digits)}%`
+  },
+
+  onInput(e) {
+    this.setData({ text: e.detail.value || '' })
+  },
+
+  fillQuick(e) {
+    this.setData({ text: e.currentTarget.dataset.text || '' })
+  },
+
+  async publish() {
+    if (this.data.loading) return
+    const text = (this.data.text || '').trim()
+    if (text.length < 2) {
+      wx.showToast({ title: '请输入至少 2 个字符', icon: 'none' })
+      return
+    }
+
+    this.setData({ loading: true })
+    try {
+      const result = await request({
+        url: '/content/publish',
+        method: 'POST',
+        data: { text }
+      })
+
+      this.setData({
+        result: {
+          ...result,
+          detect: {
+            ...(result.detect || {}),
+            confidence_text: this.formatPercent((result.detect || {}).confidence, 2)
+          },
+          post_threshold_text: this.formatPercent((result.post || {}).threshold, 1),
+          detect_spam_probability_text: this.formatPercent((result.detect || {}).spam_probability, 2)
+        }
+      })
+
+      wx.showToast({
+        title: result.publish_allowed ? '发布成功' : '已拦截，可申诉',
+        icon: result.publish_allowed ? 'success' : 'none'
+      })
     } finally {
       this.setData({ loading: false })
     }
   },
 
+  goBatch() {
+    wx.navigateTo({ url: '/pages/batch/index' })
+  },
+
   goto(e) {
     const path = e.currentTarget.dataset.path
     if (!path) return
     wx.navigateTo({ url: path })
   },
 
+  showTokenWeight(e) {
+    const token = e.currentTarget.dataset.token
+    const weight = e.currentTarget.dataset.weight
+    const weightNum = Number(weight || 0)
+    const direction = weightNum >= 0 ? '倾向垃圾判定' : '倾向正常判定'
+    wx.showModal({
+      title: '关键词权重',
+      content: `关键词"${token}"\n权重贡献：${weightNum >= 0 ? '+' : ''}${weightNum.toFixed(4)}\n(${direction})`,
+      showCancel: false,
+      confirmText: '关闭'
+    })
+  },
+
   logout() {
     getApp().clearAuth()
     wx.reLaunch({ url: '/pages/login/index' })

miniprogram/pages/home/index.wxml

@@ -3,45 +3,65 @@
     <view class="hero-badge">CONTROL CENTER</view>
     <view class="hero-title">{{user ? ('欢迎，' + user.nickname) : '社区内容风控工作台'}}</view>
     <view class="hero-sub">发布内容将实时进入朴素贝叶斯识别流程，疑似垃圾信息自动拦截并支持申诉。</view>
-    <view class="hero-meta" wx:if="{{modelInfo}}">
-      <text class="hero-metric">版本 {{modelInfo.version || '未训练'}}</text>
-      <text class="hero-metric">阈值 {{thresholdText}}</text>
-      <text class="hero-metric">样本 {{modelInfo.sample_count || 0}}</text>
-    </view>
   </view>
 
-  <view class="card fade-up fade-up-delay-1" wx:if="{{modelInfo}}">
-    <view class="card-title">检测引擎状态</view>
-    <view class="grid-2">
-      <view class="kpi">
-        <view class="kpi-label">模型版本</view>
-        <view class="kpi-value">{{modelInfo.version || '未训练'}}</view>
+  <view class="card fade-up fade-up-delay-1">
+    <view class="card-title">发布信息</view>
+
+    <view class="field">
+      <text class="field-label">内容文本</text>
+      <textarea class="textarea" placeholder="请输入要发布的文本信息" value="{{text}}" bindinput="onInput" />
+      <view class="field-help">当前字数：{{text.length}}，建议不少于 2 个字符。</view>
+    </view>
+
+    <view class="field" wx:if="{{result}}">
+      <text class="field-label">识别反馈</text>
+      <view class="row">
+        <text class="label">发布结果</text>
+        <text class="{{result.publish_allowed ? 'status-ham' : 'status-spam'}}">{{result.publish_allowed ? '发布成功' : '已拦截，需申诉'}}</text>
       </view>
-      <view class="kpi">
-        <view class="kpi-label">训练样本</view>
-        <view class="kpi-value">{{modelInfo.sample_count || 0}}</view>
+      <view class="row" wx:if="{{result.detect.category_label}}">
+        <text class="label">分类标签</text>
+        <text class="status-spam">{{result.detect.category_label}}</text>
       </view>
-      <view class="kpi">
-        <view class="kpi-label">垃圾阈值</view>
-        <view class="kpi-value">{{thresholdText}}</view>
+      <view class="row">
+        <text class="label">模型判断</text>
+        <text class="value">{{result.detect.prediction_text}}</text>
       </view>
-      <view class="kpi">
-        <view class="kpi-label">最近训练</view>
-        <view class="kpi-value small">{{modelInfo.trained_at || '--'}}</view>
+      <view class="row">
+        <text class="label">垃圾概率</text>
+        <text class="value">{{result.detect_spam_probability_text}}</text>
+      </view>
+      <view class="progress-track">
+        <view class="progress-fill" style="width: {{result.detect_spam_probability_text}};"></view>
+      </view>
+      <view class="row">
+        <text class="label">检测置信度</text>
+        <text class="value">{{result.detect.confidence_text}}</text>
+      </view>
+      <view class="progress-track">
+        <view class="progress-fill-safe" style="width: {{result.detect.confidence_text}};"></view>
+      </view>
+      <view class="row">
+        <text class="label">本次阈值</text>
+        <text class="value">{{result.post_threshold_text}}</text>
+      </view>
+      <view class="field" wx:if="{{result.detect.reason_tokens && result.detect.reason_tokens.length}}">
+        <text class="field-label">风险关键词</text>
+        <view class="chip-group">
+          <text class="tag tag-danger" wx:for="{{result.detect.reason_tokens}}" wx:key="token" data-token="{{item.token}}" data-weight="{{item.weight}}" bindtap="showTokenWeight">{{item.token}}</text>
+        </view>
       </view>
     </view>
-  </view>
 
-  <view class="card fade-up fade-up-delay-2">
-    <view class="card-title">更多功能</view>
-    <view class="card-desc">批量检测与管理功能入口。</view>
-    <view class="grid-2">
-      <view class="module-card" wx:for="{{userModules}}" wx:key="name" data-path="{{item.path}}" bindtap="goto">
-        <view class="module-name">{{item.name}}</view>
-        <view class="module-desc">{{item.desc}}</view>
-        <view class="module-tag">{{item.tag}}</view>
+    <view class="field" wx:if="{{!result}}">
+      <text class="field-label">快捷示例</text>
+      <view class="chip-group">
+        <view class="chip" wx:for="{{quickTexts}}" wx:key="*this" data-text="{{item}}" bindtap="fillQuick">{{item}}</view>
       </view>
     </view>
-  </view>
 
+    <button class="btn btn-primary" loading="{{loading}}" bindtap="publish">提交发布</button>
+    <button class="btn btn-ghost" style="margin-top: 12rpx;" bindtap="goBatch">批量识别</button>
+  </view>
 </view>