fix(core): 迁移修复 + 配置调整

- auth_state: 新增字段
- config/default.toml: 配置更新
- migration 078/082: 修复 SQL 语法
- state/main: 启动逻辑调整

crates/erp-server/src/main.rs

@@ -207,7 +207,7 @@ async fn main() -> anyhow::Result<()> {
         );
         std::process::exit(1);
     }
-    if config.wechat.appid == "__MUST_SET_VIA_ENV__" || config.wechat.secret == "__MUST_SET_VIA_ENV__" {
+    if !config.wechat.dev_mode && (config.wechat.appid == "__MUST_SET_VIA_ENV__" || config.wechat.secret == "__MUST_SET_VIA_ENV__") {
         tracing::error!(
             "微信凭据为默认占位值，拒绝启动。请设置环境变量 ERP__WECHAT__APPID 和 ERP__WECHAT__SECRET"
         );