feat(核算)!: 添加 T+ 正式核算与采集托管

补齐源快照、资料预演、正式导入及工资核算的依赖链路。
新增版本化输入、逐段 FIFO、生成锁和结构化当月调整，
并提供默认关闭的周期采集、有限重试及 Windows 托管。

原始客户资料、私有配置及首页改动不纳入本次提交。

BREAKING CHANGE: 升级前需应用新增迁移，并通过
PAYROLL_MAKER_USER_ID 绑定实际工资制作人，否则业务只读。
旧单批次核算默认关闭；历史兼容需显式启用
PAYROLL_ALLOW_LEGACY_CALCULATION。生产启用和真实金额待验收。

backend/app/api/v1/business/receipts.py

@@ -9,7 +9,7 @@ from typing import Annotated
 
 from fastapi import APIRouter, Depends, Path, Query
 
-from app.api.deps import DbSession, RequestMetaDep, get_current_user
+from app.api.deps import DbSession, PayrollWriter, RequestMetaDep, get_current_user
 from app.core.response import ApiResponse, PageResult, ok
 from app.models import User
 from app.schemas.receipt import (
@@ -39,7 +39,7 @@ def list_receipts(
 @router.post("", response_model=ApiResponse[ReceiptOut], summary="新增回款")
 def create_receipt(
     session: DbSession,
-    current_user: CurrentUser,
+    current_user: PayrollWriter,
     payload: ReceiptCreateIn,
     meta: RequestMetaDep,
 ) -> ApiResponse[ReceiptOut]:
@@ -63,7 +63,7 @@ def get_receipt(
 @router.put("/{receipt_id}", response_model=ApiResponse[ReceiptOut], summary="编辑回款")
 def update_receipt(
     session: DbSession,
-    current_user: CurrentUser,
+    current_user: PayrollWriter,
     receipt_id: Annotated[int, Path(ge=1)],
     payload: ReceiptUpdateIn,
     meta: RequestMetaDep,
@@ -80,7 +80,7 @@ def update_receipt(
 @router.delete("/{receipt_id}", response_model=ApiResponse[None], summary="删除回款")
 def delete_receipt(
     session: DbSession,
-    current_user: CurrentUser,
+    current_user: PayrollWriter,
     receipt_id: Annotated[int, Path(ge=1)],
     meta: RequestMetaDep,
 ) -> ApiResponse[None]: