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src/modules/auth/auth-service-dto.ts

@@ -0,0 +1,50 @@
+// Service layer DTOs for auth module
+
+// Sign up input/output
+export type ServiceInputSignUp = {
+    email: string;
+    username: string;
+    password: string; // plain text, will be hashed by better-auth
+    name: string;
+};
+
+export type ServiceOutputSignUp = {
+    success: boolean;
+    userId?: string;
+    email?: string;
+    username?: string;
+};
+
+// Sign in input/output
+export type ServiceInputSignIn = {
+    identifier: string; // email or username
+    password: string;
+};
+
+export type ServiceOutputSignIn = {
+    success: boolean;
+    userId?: string;
+    email?: string;
+    username?: string;
+    sessionToken?: string;
+};
+
+// Sign out input/output
+export type ServiceInputSignOut = {
+    sessionId?: string;
+};
+
+export type ServiceOutputSignOut = {
+    success: boolean;
+};
+
+// User existence check
+export type ServiceInputCheckUserExists = {
+    email?: string;
+    username?: string;
+};
+
+export type ServiceOutputCheckUserExists = {
+    emailExists: boolean;
+    usernameExists: boolean;
+};