chore: add pnpm workspace configuration with package definitions and overrides

apps/web-app/src/features/auth/schemas/auth.schema.ts

@@ -0,0 +1,53 @@
+import { z } from "zod";
+import { emailSchema, passwordSchema } from "../../../lib/validation";
+
+/**
+ * Auth form schemas — validated with TanStack Form
+ * (`@tanstack/react-form` + `zodValidator` from `@tanstack/zod-form-adapter`).
+ *
+ * Rules mirror the server-side config in `apps/worker/src/lib/auth/auth-options.ts`
+ * (email/password + username plugin):
+ * - password minimum 8 chars (`minPasswordLength: 8`)
+ * - username 3–30 chars, alphanumeric + underscores (username plugin default)
+ */
+
+export const firstNameSchema = z
+  .string()
+  .trim()
+  .min(1, "First name is required")
+  .max(50, "First name is too long");
+
+export const lastNameSchema = z
+  .string()
+  .trim()
+  .min(1, "Last name is required")
+  .max(50, "Last name is too long");
+
+export const usernameSchema = z
+  .string()
+  .trim()
+  .refine((value) => value === "" || /^[a-zA-Z0-9_]{3,30}$/.test(value), {
+    message: "3–30 characters — letters, numbers and underscores only",
+  });
+
+export const loginSchema = z.object({
+  email: emailSchema,
+  password: passwordSchema,
+});
+
+export const signupSchema = z
+  .object({
+    firstName: firstNameSchema,
+    lastName: lastNameSchema,
+    email: emailSchema,
+    username: usernameSchema,
+    password: passwordSchema,
+    confirmPassword: z.string(),
+  })
+  .refine((data) => data.password === data.confirmPassword, {
+    message: "Passwords do not match",
+    path: ["confirmPassword"],
+  });
+
+export type SignupInput = z.infer<typeof signupSchema>;
+export type LoginInput = z.infer<typeof loginSchema>;