feat: 移除PDI和订单号字段，新增设备巡检模块

- 从物料跟踪页面移除订单号列和表单字段
- 从导航菜单移除PDI管理，添加设备巡检
- 新增InspectionLocation和InspectionRecord后端模型和API
- 新增设备巡检前端页面（左侧点位列表，右侧设备和历史记录）

backend/app/api/inspection.py

@@ -0,0 +1,75 @@
+from fastapi import APIRouter, Depends
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select, func, desc
+from typing import Optional
+
+from app.database import get_db
+from app.models.inspection import InspectionLocation, InspectionRecord
+from app.schemas.inspection import (
+    InspectionLocationCreate, InspectionLocationOut,
+    InspectionRecordCreate, InspectionRecordOut,
+)
+from app.schemas.common import Response, PageResponse
+from app.services.auth_service import get_current_user
+
+router = APIRouter()
+
+
+@router.get("/locations", response_model=Response[list[InspectionLocationOut]])
+async def list_locations(
+    db: AsyncSession = Depends(get_db),
+    _ = Depends(get_current_user),
+):
+    result = await db.execute(
+        select(InspectionLocation).order_by(InspectionLocation.sort_order, InspectionLocation.id)
+    )
+    items = [InspectionLocationOut.model_validate(r) for r in result.scalars()]
+    return Response.ok(items)
+
+
+@router.post("/locations", response_model=Response[InspectionLocationOut])
+async def create_location(
+    body: InspectionLocationCreate,
+    db: AsyncSession = Depends(get_db),
+    _ = Depends(get_current_user),
+):
+    loc = InspectionLocation(**body.model_dump())
+    db.add(loc)
+    await db.flush()
+    return Response.ok(InspectionLocationOut.model_validate(loc))
+
+
+@router.get("/records", response_model=Response[PageResponse[InspectionRecordOut]])
+async def list_records(
+    page: int = 1,
+    page_size: int = 30,
+    location_id: Optional[int] = None,
+    db: AsyncSession = Depends(get_db),
+    _ = Depends(get_current_user),
+):
+    query = select(InspectionRecord).order_by(desc(InspectionRecord.created_at))
+    if location_id:
+        query = query.where(InspectionRecord.location_id == location_id)
+    total = (await db.execute(select(func.count()).select_from(query.subquery()))).scalar()
+    result = await db.execute(query.offset((page - 1) * page_size).limit(page_size))
+    items = [InspectionRecordOut.model_validate(r) for r in result.scalars()]
+    return Response.ok(PageResponse(total=total, page=page, page_size=page_size, items=items))
+
+
+@router.post("/records", response_model=Response[InspectionRecordOut])
+async def create_record(
+    body: InspectionRecordCreate,
+    db: AsyncSession = Depends(get_db),
+    _ = Depends(get_current_user),
+):
+    loc_result = await db.execute(
+        select(InspectionLocation).where(InspectionLocation.id == body.location_id)
+    )
+    loc = loc_result.scalar_one_or_none()
+    record = InspectionRecord(
+        **body.model_dump(),
+        location_name=loc.name if loc else None,
+    )
+    db.add(record)
+    await db.flush()
+    return Response.ok(InspectionRecordOut.model_validate(record))