diff --git a/src/features/auth/index.ts b/src/features/auth/index.ts
index 40118e9..eae9d71 100644
--- a/src/features/auth/index.ts
+++ b/src/features/auth/index.ts
@@ -1,2 +1,3 @@
 export * from "./lib";
 export * from "./ui";
+export * from "./model";
diff --git a/src/features/auth/model/index.ts b/src/features/auth/model/index.ts
new file mode 100644
index 0000000..2bc5cbf
--- /dev/null
+++ b/src/features/auth/model/index.ts
@@ -0,0 +1,2 @@
+export * from "./types/service";
+export * from "./types/store";
diff --git a/src/features/auth/model/types/service.ts b/src/features/auth/model/types/service.ts
new file mode 100644
index 0000000..2c735cb
--- /dev/null
+++ b/src/features/auth/model/types/service.ts
@@ -0,0 +1,18 @@
+import type { User } from "entities/User";
+
+export interface AuthResponse {
+  /**
+   * Access token for the authenticated user.
+   */
+  accessToken: string;
+  /**
+   * User object associated with the access token.
+   */
+  user: User;
+}
+
+export type AuthStatus =
+  | "idle"
+  | "loading"
+  | "authenticated"
+  | "unauthenticated";
diff --git a/src/features/auth/model/types/store.ts b/src/features/auth/model/types/store.ts
new file mode 100644
index 0000000..0186b1d
--- /dev/null
+++ b/src/features/auth/model/types/store.ts
@@ -0,0 +1,7 @@
+import type { User } from "entities/User";
+import type { AuthStatus } from "./service";
+
+export interface AuthStore {
+  user?: User;
+  status?: AuthStatus;
+}