feat: Docker 一键编排补齐 sftpgo 与 celldata 库，并修复镜像缺 CellData.sql/db_init

packaging/mysql/init/01-init-db.sql

@@ -1,10 +1,14 @@
 -- MySQL initialization for CapacityReport.
 -- This file runs only when the MySQL data directory is empty.
+-- 建两个库：CapacityReport（主仓库/容量结果）与 celldata（CellData 小区/扇区）。
+-- 仅建库；具体表由应用前置检查（app/db_init.py + db_init/）按需创建。
 
 CREATE DATABASE IF NOT EXISTS CapacityReport
     CHARACTER SET utf8mb4
     COLLATE utf8mb4_unicode_ci;
 
-USE CapacityReport;
+CREATE DATABASE IF NOT EXISTS celldata
+    CHARACTER SET utf8mb4
+    COLLATE utf8mb4_unicode_ci;
 
-SELECT 'CapacityReport database initialized with utf8mb4 charset' AS status;
+SELECT 'CapacityReport & celldata databases initialized with utf8mb4 charset' AS status;