feat: 实时数据持久化到计划/实绩 + 质量管理改版(钢卷信息+异常记录+继承)

- 在产计划持久化实时数据快照(run_data)，物料跟踪每次轮询上报；生产完成写入实绩 process_data
- 实绩页点击行展开生产阶段数据 + 实时数据快照(测点列表)
- 质量管理默认进入异常管理，改为全宽：顶部选卷 + 钢卷信息(5列) + 异常记录表
- 异常记录新增「继承来源」列与「继承」按钮(从来源卷复制缺陷)，进入即预置6行
- qc_defect 增加 inherit_source 字段

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

frontend/src/views/Material.vue

@@ -337,7 +337,7 @@
 </template>
 
 <script>
-import { getPlans, startProducing } from '@/api'
+import { getPlans, startProducing, saveRuntime } from '@/api'
 function rnd(base, amp) { return base + (Math.random() - 0.5) * amp }
 function fix(v, n = 1) { return Number(v).toFixed(n) }
 
@@ -560,6 +560,20 @@ export default {
         const pp = this.producingPlan
         if (pp && pp.cold_coil_no) this.current.coil_no = pp.cold_coil_no
         this.prodBase = pp ? { id: pp.id, len: pp.run_length_m || 0, at: Date.now(), speed: pp.run_speed || 0 } : null
+        // 持久化实时数据快照到在产计划
+        if (pp) this.persistRuntime(pp)
+      } catch (e) { /* ignore */ }
+    },
+    async persistRuntime(pp) {
+      try {
+        const snapshot = {
+          time: new Date().toISOString(),
+          coil_no: pp.cold_coil_no || pp.plan_no,
+          line_speed: Number(this.current.speed.toFixed(1)),
+          weld_position: Number((this.weld.position * 100).toFixed(1)),
+          items: this.rtItems.map(it => ({ label: it.label, value: it.val, unit: it.unit })),
+        }
+        await saveRuntime(pp.id, snapshot)
       } catch (e) { /* ignore */ }
     },
     async movePlan(p) {