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>

backend/app/api/plan.py

@@ -1,4 +1,4 @@
-from fastapi import APIRouter, Depends, HTTPException, Query
+from fastapi import APIRouter, Depends, HTTPException, Query, Body
 from sqlalchemy.ext.asyncio import AsyncSession
 from sqlalchemy import select, func, desc
 from typing import Optional
@@ -192,6 +192,18 @@ async def commit_producing(plan_id: int, db: AsyncSession = Depends(get_db), _ =
     return Response.ok(PlanOut.model_validate(plan))
 
 
+@router.patch("/{plan_id}/runtime", response_model=Response[dict])
+async def save_runtime(plan_id: int, body: dict = Body(...), db: AsyncSession = Depends(get_db), _ = Depends(get_current_user)):
+    """持久化在产卷的实时数据快照到对应计划。"""
+    result = await db.execute(select(ProductionPlan).where(ProductionPlan.id == plan_id))
+    plan = result.scalar_one_or_none()
+    if not plan:
+        raise HTTPException(status_code=404, detail="计划不存在")
+    if plan.status == "producing":
+        plan.run_data = body
+    return Response.ok({"ok": True})
+
+
 @router.get("/saddle/current", response_model=Response[Optional[PlanOut]])
 async def get_saddle(db: AsyncSession = Depends(get_db), _ = Depends(get_current_user)):
     """上卷鞍座当前计划（含实时速度/已生产长度），并推进联动。"""