refactor: migrate img tags to next/image and fix hook usage

src/stores/user/user-events.ts

@@ -0,0 +1,14 @@
+/**
+ * User 状态机：事件联合
+ */
+import type { UserView } from "@/models/user/user";
+
+export type UserEvent =
+  | { type: "UserInit" }
+  | { type: "UserFetch" }
+  | { type: "UserUpdate"; user: UserView }
+  | { type: "UserUpdateUsername"; username: string }
+  | { type: "UserUpdatePronouns"; pronouns: string }
+  | { type: "UserLogout" }
+  | { type: "UserDeleteChatHistory" }
+  | { type: "UserDeleteAccount" };