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-auth/src/auth_state.rs

@@ -23,6 +23,7 @@ pub struct AuthState {
     pub default_tenant_id: Uuid,
     pub wechat_appid: String,
     pub wechat_secret: String,
+    pub wechat_dev_mode: bool,
     pub redis: Option<redis::Client>,
 }