fix: correct expected_undelivered.BASE anchor after package move

Tier 1 regression: expected_undelivered.py carries its own BASE=dirname(__file__) anchor (a duplicate of paths.py). The package move dropped the file one level deeper, so BASE resolved to inbound_verify/ and DOWNLOADS/OUTPUT pointed at non-existent inbound_verify/downloads|output — while site downloads write to the project-root dirs via paths.py. process()/write_site_file() thus skipped the compare with '[跳过] downloads 下缺少 ...', returned None/False, and every undelivered task for the 4 web/app sites reported failed (重试耗尽) despite the files downloading fine. Fix: anchor BASE two levels up (mirrors paths.py). Verified: write_site_file returns True; all 4 undelivered tasks now success with 未到 files generated.

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

inbound_verify/expected_undelivered.py

@@ -40,7 +40,9 @@ from openpyxl.chart import BarChart, Reference
 from openpyxl.worksheet.page import PageMargins
 from openpyxl.worksheet.properties import PageSetupProperties
 
-BASE = os.path.dirname(os.path.abspath(__file__))
+# 包内文件：上两级 = 项目根（与 paths.BASE_DIR 一致；站点下载落在 <root>/downloads）。
+# 注：本模块自带锚点是 paths.py 的重复，Tier 2 计划改为直接引用 paths.DOWNLOAD_DIR/OUTPUT_DIR。
+BASE = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 DOWNLOADS = os.path.join(BASE, "downloads")
 OUTPUT = os.path.join(BASE, "output")
 OUTFILE = os.path.join(OUTPUT, "应到未到数据.xlsx")