Add BMAD framework, authentication, and new features

keep-notes/app/actions/register.ts

@@ -0,0 +1,54 @@
+'use server';
+
+import bcrypt from 'bcryptjs';
+import prisma from '@/lib/prisma';
+import { z } from 'zod';
+import { redirect } from 'next/navigation';
+
+const RegisterSchema = z.object({
+  email: z.string().email(),
+  password: z.string().min(6),
+  name: z.string().min(2),
+});
+
+export async function register(prevState: string | undefined, formData: FormData) {
+  const validatedFields = RegisterSchema.safeParse({
+    email: formData.get('email'),
+    password: formData.get('password'),
+    name: formData.get('name'),
+  });
+
+  if (!validatedFields.success) {
+    return 'Invalid fields. Failed to register.';
+  }
+
+  const { email, password, name } = validatedFields.data;
+
+  try {
+    const existingUser = await prisma.user.findUnique({ where: { email: email.toLowerCase() } });
+    if (existingUser) {
+      return 'User already exists.';
+    }
+
+    const hashedPassword = await bcrypt.hash(password, 10);
+
+    await prisma.user.create({
+      data: {
+        email: email.toLowerCase(),
+        password: hashedPassword,
+        name,
+      },
+    });
+    
+    // Attempt to sign in immediately after registration
+    // We cannot import signIn here directly if it causes circular deps or issues, 
+    // but usually it works. If not, redirecting to login is fine.
+    // Let's stick to redirecting to login but with a clear success message?
+    // Or better: lowercase the email to fix the potential bug.
+  } catch (error) {
+    console.error('Registration Error:', error);
+    return 'Database Error: Failed to create user.';
+  }
+
+  redirect('/login');
+}