feat(sprint-002): 대리입력 + 일별 현황 대시보드 (Section A+B)

Section A (Backend):
- POST /api/proxy-input: TBM 세션+팀배정+작업보고서 일괄 생성 (트랜잭션)
- GET /api/proxy-input/daily-status: 일별 TBM/보고서 입력 현황
- GET /api/proxy-input/daily-status/detail: 작업자별 상세
- tbm_sessions에 is_proxy_input, proxy_input_by 컬럼 추가
- system1/system2/tkuser requireMinLevel → shared requirePage 전환
- permissionModel에 factory_proxy_input, factory_daily_status 키 등록

Section B (Frontend):
- daily-status.html: 날짜 네비 + 요약 카드 + 필터 탭 + 작업자 리스트 + 바텀시트
- proxy-input.html: 미입력자 카드 + 확장 폼 + 일괄 설정 + 저장
- tkfb-core.js NAV_MENU에 입력 현황/대리입력 추가

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

system1-factory/api/routes/uploadBgRoutes.js

@@ -3,8 +3,11 @@ const express = require('express');
 const router = express.Router();
 const multer = require('multer');
 const path = require('path');
-const { requireAuth, requireMinLevel } = require('../middlewares/auth');
+const { requireAuth } = require('../middlewares/auth');
 const { createFileFilter, validateUploadedFile } = require('../utils/fileUploadSecurity');
+const { createRequirePage } = require('../../../shared/middleware/pagePermission');
+const { getDb } = require('../dbPool');
+const requirePage = createRequirePage(getDb);
 
 const storage = multer.diskStorage({
   destination: (req, file, cb) => {
@@ -31,7 +34,7 @@ const upload = multer({
 });
 
 // 관리자 권한 필요
-router.post('/upload-bg', requireAuth, requireMinLevel('admin'), upload.single('image'), async (req, res) => {
+router.post('/upload-bg', requireAuth, requirePage('factory_uploads'), upload.single('image'), async (req, res) => {
   if (!req.file) {
     return res.status(400).json({ success: false, message: '파일이 없습니다.' });
   }