feat: 小程序移除管理后台入口，新增admin-web前端项目

将管理后台功能从微信小程序中剥离，独立为Vue.js前端项目admin-web

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

admin-web/src/views/Detect.vue

@@ -0,0 +1,187 @@
+<template>
+  <div class="container">
+    <section class="hero fade-up">
+      <div class="hero-badge">REAL-TIME CHECK</div>
+      <h1 class="hero-title">文本信息发布</h1>
+      <p class="hero-sub">支持公开发布、私有发布与用户私信，提交时自动执行垃圾信息识别。</p>
+    </section>
+
+    <section class="card fade-up fade-up-delay-1">
+      <div class="card-title">发布内容</div>
+
+      <div class="field">
+        <label class="field-label">内容文本</label>
+        <textarea class="textarea" v-model="text" placeholder="请输入要发布的文本信息" rows="4"></textarea>
+        <div class="field-help">当前字数：{{ text.length }}，建议不少于 2 个字符。</div>
+      </div>
+
+      <div class="grid-2">
+        <div class="field">
+          <label class="field-label">发布类型</label>
+          <select class="select" v-model="visibility">
+            <option v-for="opt in visibilityOptions" :key="opt.value" :value="opt.value">{{ opt.label }}</option>
+          </select>
+        </div>
+        <div class="field" v-if="visibility === 'direct'">
+          <label class="field-label">接收人用户名</label>
+          <input class="input" v-model.trim="recipientUsername" placeholder="私信发送时必填" />
+        </div>
+      </div>
+
+      <button class="btn btn-primary" :disabled="loading" @click="publish">
+        {{ loading ? '检测中...' : '提交发布' }}
+      </button>
+    </section>
+
+    <section class="card fade-up fade-up-delay-2">
+      <div class="card-title">快捷示例</div>
+      <div class="chip-group">
+        <span
+          v-for="(item, idx) in quickTexts"
+          :key="idx"
+          class="chip"
+          @click="text = item"
+        >{{ item }}</span>
+      </div>
+    </section>
+
+    <section class="card fade-up fade-up-delay-3" v-if="result">
+      <div class="card-title">识别反馈</div>
+
+      <div class="row">
+        <span class="label">发布结果</span>
+        <span :class="result.publish_allowed ? 'status-ham' : 'status-spam'">
+          {{ result.publish_allowed ? '发布成功' : '已拦截，需申诉' }}
+        </span>
+      </div>
+
+      <div class="row" v-if="result.detect && result.detect.category_label">
+        <span class="label">分类标签</span>
+        <span class="status-spam">{{ result.detect.category_label }}</span>
+      </div>
+
+      <div class="row">
+        <span class="label">模型判断</span>
+        <span class="value">{{ result.detect && result.detect.prediction_text }}</span>
+      </div>
+
+      <div class="row">
+        <span class="label">垃圾概率</span>
+        <span class="value">{{ result.detect_spam_probability_text }}</span>
+      </div>
+      <div class="progress-track">
+        <div class="progress-fill" :style="{ width: result.detect_spam_probability_text }"></div>
+      </div>
+
+      <div class="row">
+        <span class="label">检测置信度</span>
+        <span class="value">{{ result.detect.confidence_text }}</span>
+      </div>
+      <div class="progress-track">
+        <div class="progress-fill-safe" :style="{ width: result.detect.confidence_text }"></div>
+      </div>
+
+      <div class="row">
+        <span class="label">本次阈值</span>
+        <span class="value">{{ result.post_threshold_text }}</span>
+      </div>
+
+      <div class="field" v-if="result.detect.reason_tokens && result.detect.reason_tokens.length">
+        <span class="field-label">风险关键词</span>
+        <div class="chip-group">
+          <span
+            v-for="(tk, i) in result.detect.reason_tokens"
+            :key="i"
+            class="tag tag-danger"
+            @click="showTokenWeight(tk)"
+          >{{ tk.token }}</span>
+        </div>
+      </div>
+
+      <button class="btn btn-ghost" @click="$router.push('/history')">查看发布历史</button>
+    </section>
+  </div>
+</template>
+
+<script>
+import { request } from '@/utils/request'
+import { toast, confirm } from '@/utils/feedback'
+
+const QUICK_TEXTS = [
+  '大家好，今晚 8 点社区线上读书会，欢迎参加。',
+  '恭喜中奖领取大额现金，点击链接立即到账。',
+  '本周活动报名已开放，请在群里接龙。',
+  '高薪兼职日结，扫码进群立刻赚钱。'
+]
+
+const VISIBILITY_OPTIONS = [
+  { value: 'public', label: '公开信息发布' },
+  { value: 'private', label: '私有信息发布' },
+  { value: 'direct', label: '用户私信发布' }
+]
+
+export default {
+  name: 'DetectView',
+  data() {
+    return {
+      text: '',
+      loading: false,
+      result: null,
+      quickTexts: QUICK_TEXTS,
+      visibilityOptions: VISIBILITY_OPTIONS,
+      visibility: 'public',
+      recipientUsername: ''
+    }
+  },
+  methods: {
+    formatPercent(value, digits = 2) {
+      const num = Number(value || 0)
+      return `${(num * 100).toFixed(digits)}%`
+    },
+    async publish() {
+      if (this.loading) return
+      const text = (this.text || '').trim()
+      if (text.length < 2) {
+        toast('请输入至少 2 个字符', 'error')
+        return
+      }
+      const payload = { text, visibility: this.visibility }
+      if (this.visibility === 'direct') {
+        const receiver = (this.recipientUsername || '').trim()
+        if (!receiver) {
+          toast('私信请填写接收人用户名', 'error')
+          return
+        }
+        payload.recipient_username = receiver
+      }
+
+      this.loading = true
+      try {
+        const result = await request({ url: '/content/publish', method: 'POST', data: payload })
+        this.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)
+        }
+        toast(result.publish_allowed ? '发布成功' : '已拦截，可申诉', result.publish_allowed ? 'success' : 'error')
+      } finally {
+        this.loading = false
+      }
+    },
+    showTokenWeight(tk) {
+      const weight = Number(tk.weight || 0)
+      const direction = weight >= 0 ? '倾向垃圾判定' : '倾向正常判定'
+      confirm({
+        title: '关键词权重',
+        content: `关键词「${tk.token}」\n权重贡献：${weight >= 0 ? '+' : ''}${weight.toFixed(4)}\n（${direction}）`,
+        showCancel: false,
+        confirmText: '关闭'
+      })
+    }
+  }
+}
+</script>