refactor(auth): rename loginType to loginStatus and update related logic

src/stores/auth/auth-state.ts

@@ -3,7 +3,7 @@
  */
 import type { AuthMode } from "@/models/auth/auth-mode";
 import type { AuthPanelMode } from "@/models/auth/auth-panel-mode";
-import type { LoginType } from "@/models/auth/login-type";
+import type { LoginStatus } from "@/models/auth/login-status";
 
 export interface AuthState {
   /** 当前面板模式（Facebook / Email） */
@@ -15,7 +15,8 @@ export interface AuthState {
   username: string;
   confirmPassword: string;
   errorMessage: string | null;
-  loginType: LoginType;
+  /** 当前登录状态（未登录 / 游客 / OAuth / 邮箱） */
+  loginStatus: LoginStatus;
 }
 
 export const initialState: AuthState = {
@@ -26,5 +27,5 @@ export const initialState: AuthState = {
   username: "",
   confirmPassword: "",
   errorMessage: null,
-  loginType: "none",
+  loginStatus: "notLoggedIn",
 };