feat(entry-tracking): 新增入口跟踪独立页面（11×2 位置网格）

- 新增 /entry-tracking 路由与导航入口
- 11 列 × 2 行位置卡（上卷小车/称重位/地辊/上卷鞍座/倒卷小车）
- 1#地辊 绑生产中卷，2#地辊 绑在线队首
- 底部入口队列表保留「移动」按钮（计划→生产中）

frontend/src/router/index.js

@@ -22,6 +22,12 @@ const routes = [
         component: () => import('@/views/Material.vue'),
         meta: { title: '物料跟踪', icon: 'el-icon-box', requiresAuth: true }
       },
+      {
+        path: 'entry-tracking',
+        name: 'EntryTracking',
+        component: () => import('@/views/EntryTracking.vue'),
+        meta: { title: '入口跟踪', icon: 'el-icon-position', requiresAuth: true }
+      },
       {
         path: 'production',
         name: 'Production',

frontend/src/views/EntryTracking.vue

@@ -0,0 +1,207 @@
+<template>
+  <div class="entry-page">
+    <div class="card">
+      <div class="card-header">
+        入口跟踪
+        <span class="ch-badge">在线 {{ onlinePlans.length }} / 生产中 {{ producingPlan ? 1 : 0 }}</span>
+        <span style="margin-left:auto;display:flex;gap:8px;align-items:center;">
+          <button class="btn btn-outline" @click="fetchPlans">刷新</button>
+        </span>
+      </div>
+
+      <div class="entry-grid">
+        <div v-for="row in rows" :key="row.key" class="entry-row">
+          <div
+            v-for="pos in row.positions"
+            :key="pos.name"
+            :class="['pos-cell', { filled: !!pos.plan, highlight: pos.highlight }]"
+          >
+            <div class="pos-title">{{ pos.name }}</div>
+            <table class="pos-table">
+              <tbody>
+                <tr><td class="k">冷卷号</td><td class="v">{{ pos.plan ? (pos.plan.cold_coil_no || '—') : '' }}</td></tr>
+                <tr><td class="k">热卷号</td><td class="v">{{ pos.plan ? (pos.plan.hot_coil_no || '—') : '' }}</td></tr>
+                <tr><td class="k">钢种</td><td class="v">{{ pos.plan ? (pos.plan.steel_grade || '—') : '' }}</td></tr>
+                <tr><td class="k">来料厚度[mm]</td><td class="v">{{ pos.plan ? fmt(pos.plan.incoming_thickness, 2) : '' }}</td></tr>
+                <tr><td class="k">成品厚度[mm]</td><td class="v">{{ pos.plan ? fmt(pos.plan.product_thickness, 2) : '' }}</td></tr>
+                <tr><td class="k">厚差范围[mm]</td><td class="v">{{ pos.plan ? devRange(pos.plan) : '' }}</td></tr>
+                <tr><td class="k">来料宽度[mm]</td><td class="v">{{ pos.plan ? fmt(pos.plan.incoming_width, 0) : '' }}</td></tr>
+                <tr><td class="k">成品宽度[mm]</td><td class="v">{{ pos.plan ? fmt(pos.plan.product_width, 0) : '' }}</td></tr>
+                <tr><td class="k">来料重量[t]</td><td class="v">{{ pos.plan ? fmt(pos.plan.incoming_weight, 4) : '' }}</td></tr>
+                <tr><td class="k">轧制模式</td><td class="v">{{ pos.plan ? (pos.plan.rolling_mode || '—') : '' }}</td></tr>
+              </tbody>
+            </table>
+          </div>
+        </div>
+      </div>
+    </div>
+
+    <div class="card">
+      <div class="card-header">
+        入口队列（点击移动可将计划推到入口并开始生产）
+        <span class="ch-badge">{{ onlinePlans.length }} 条</span>
+      </div>
+      <div class="table-scroll">
+        <table class="data-table compact">
+          <thead>
+            <tr>
+              <th>冷卷号</th><th>热卷号</th><th>钢种</th>
+              <th>规格(厚×宽)</th><th>来料重量</th><th>轧制模式</th><th>状态</th><th>操作</th>
+            </tr>
+          </thead>
+          <tbody>
+            <tr v-for="p in onlinePlans" :key="p.id">
+              <td class="td-num">{{ p.cold_coil_no || p.plan_no }}</td>
+              <td class="td-num">{{ p.hot_coil_no || '—' }}</td>
+              <td>{{ p.steel_grade || '—' }}</td>
+              <td class="td-num">{{ fmt(p.product_thickness, 2) }} × {{ fmt(p.product_width, 0) }}</td>
+              <td class="td-num">{{ fmt(p.incoming_weight, 2) }}</td>
+              <td>{{ p.rolling_mode || '—' }}</td>
+              <td><span :class="['badge', p.status === 'online' ? 'badge-green' : 'badge-gray']">{{ p.status === 'online' ? '在线' : '准备好' }}</span></td>
+              <td><span class="action-link" @click="moveToProducing(p)">移动</span></td>
+            </tr>
+            <tr v-if="!onlinePlans.length">
+              <td colspan="8" class="td-muted" style="text-align:center;padding:14px;">暂无在线/准备好的计划</td>
+            </tr>
+          </tbody>
+        </table>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script>
+import { getPlans, startProducing } from '@/api'
+
+const ROW1 = ['1#上卷小车','1#称重位','1#地辊','13#上卷鞍座','11#上卷鞍座','9#上卷鞍座','7#上卷鞍座','1#倒卷小车','5#上卷鞍座','3#上卷鞍座','1#上卷鞍座']
+const ROW2 = ['2#上卷小车','2#称重位','2#地辊','14#上卷鞍座','12#上卷鞍座','10#上卷鞍座','8#上卷鞍座','2#倒卷小车','6#上卷鞍座','4#上卷鞍座','2#上卷鞍座']
+
+export default {
+  name: 'EntryTracking',
+  data() {
+    return { plans: [], timer: null }
+  },
+  computed: {
+    onlinePlans() { return this.plans.filter(p => p.status === 'online' || p.status === 'ready') },
+    producingPlan() { return this.plans.find(p => p.status === 'producing') || null },
+    rows() {
+      // 主辊位填充：1#地辊 = 生产中卷; 2#地辊 = 在线队首
+      const onl = this.onlinePlans
+      const map1 = { '1#地辊': this.producingPlan }
+      const map2 = { '2#地辊': onl[0] || null }
+      const build = (names, map) => names.map(n => ({
+        name: n,
+        plan: map[n] || null,
+        highlight: n === '1#地辊' || n === '2#地辊',
+      }))
+      return [
+        { key: 'r1', positions: build(ROW1, map1) },
+        { key: 'r2', positions: build(ROW2, map2) },
+      ]
+    },
+  },
+  created() {
+    this.fetchPlans()
+    this.timer = setInterval(this.fetchPlans, 5000)
+  },
+  beforeDestroy() { clearInterval(this.timer) },
+  methods: {
+    async fetchPlans() {
+      try {
+        const res = await getPlans({ page: 1, page_size: 50 })
+        this.plans = res.data.items || []
+      } catch (e) { /* ignore */ }
+    },
+    fmt(v, n = 2) { return v != null && v !== '' ? Number(v).toFixed(n) : '—' },
+    devRange(p) {
+      const u = p.deviation_upper, l = p.deviation_lower
+      if (u == null && l == null) return '—'
+      return `${l != null ? Number(l).toFixed(3) : '—'} / ${u != null ? Number(u).toFixed(3) : '—'}`
+    },
+    async moveToProducing(p) {
+      if (!confirm(`将计划 ${p.cold_coil_no || p.plan_no} 移动到入口并开始生产？`)) return
+      try {
+        await startProducing(p.id)
+        this.$message.success('已开始生产')
+        this.fetchPlans()
+      } catch (e) {
+        this.$message.error(e?.response?.data?.detail || '操作失败')
+      }
+    },
+  },
+}
+</script>
+
+<style lang="scss" scoped>
+@import '@/assets/styles/variables';
+
+.entry-page { display: flex; flex-direction: column; gap: 12px; }
+
+.entry-grid {
+  padding: 10px;
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+  overflow-x: auto;
+}
+
+.entry-row {
+  display: grid;
+  grid-template-columns: repeat(11, minmax(118px, 1fr));
+  gap: 6px;
+}
+
+.pos-cell {
+  background: $bg-panel;
+  border: 1px solid $border;
+  border-radius: 3px;
+  padding: 4px 5px 6px;
+  min-height: 220px;
+
+  &.filled { border-color: $sms-highlight; background: rgba($sms-highlight, .04); }
+  &.highlight { box-shadow: 0 0 0 1px rgba($sms-highlight, .35) inset; }
+}
+
+.pos-title {
+  text-align: center;
+  font-size: 11px;
+  font-weight: 700;
+  color: $text-primary;
+  padding: 3px 0 5px;
+  border-bottom: 1px dashed $border;
+  margin-bottom: 4px;
+  letter-spacing: .3px;
+}
+
+.pos-table {
+  width: 100%;
+  border-collapse: collapse;
+  font-size: 10.5px;
+  line-height: 1.45;
+
+  td {
+    padding: 1px 2px;
+    vertical-align: top;
+    white-space: nowrap;
+  }
+  td.k {
+    color: $text-muted;
+    text-align: right;
+    width: 56%;
+    font-size: 10px;
+  }
+  td.v {
+    color: $sms-highlight;
+    text-align: right;
+    font-family: $font-mono;
+    font-weight: 600;
+  }
+}
+
+.action-link {
+  color: $accent-green;
+  cursor: pointer;
+  font-size: 12px;
+  &:hover { text-decoration: underline; }
+}
+</style>

frontend/src/views/Layout.vue

@@ -71,6 +71,7 @@ const IC = {
 
 const MENU = [
   { path: '/plan',          title: '计划管理',   icon: IC.plan },
+  { path: '/entry-tracking',title: '入口跟踪',   icon: IC.material },
   { path: '/material',      title: '物料跟踪',   icon: IC.material },
   { path: '/production',    title: '实绩管理',   icon: IC.production },
   { path: '/process-model', title: '工艺段模型', icon: IC.process },