docs: update stale module-name references in comments and docstrings

Replace pre-rename references (main_router, db_store, server.py) in code comments and docstrings with their new locations (cli/router, store, cli/server, runtime). Comment-only; no behavior change.

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

inbound_verify/cli/router.py

@@ -1,8 +1,8 @@
-# main_router.py
+# inbound_verify/cli/router.py
 #
 # 交互菜单模式入口（调试 / 人工操作）。核心 Playwright 管理、任务派发、心跳
 # 已抽到 runtime.py 共享；本文件只保留交互菜单与自动化测试。
-# 服务模式（常驻 + FastAPI 接收指令）见 server.py。
+# 服务模式（常驻 + FastAPI 接收指令）见 cli/server.py。
 
 import os
 import queue