fix(email): manual OTP instead of better-auth (#921)

* fix(email): manual OTP instead of better-auth

* lint

apps/sim/app/(auth)/signup/signup-form.tsx

@@ -9,9 +9,12 @@ import { Input } from '@/components/ui/input'
 import { Label } from '@/components/ui/label'
 import { client } from '@/lib/auth-client'
 import { quickValidateEmail } from '@/lib/email/validation'
+import { createLogger } from '@/lib/logs/console/logger'
 import { cn } from '@/lib/utils'
 import { SocialLoginButtons } from '@/app/(auth)/components/social-login-buttons'
 
+const logger = createLogger('SignupForm')
+
 const PASSWORD_VALIDATIONS = {
   minLength: { regex: /.{8,}/, message: 'Password must be at least 8 characters long.' },
   uppercase: {
@@ -281,7 +284,7 @@ function SignupFormContent({
         },
         {
           onError: (ctx) => {
-            console.error('Signup error:', ctx.error)
+            logger.error('Signup error:', ctx.error)
             const errorMessage: string[] = ['Failed to create account']
 
             if (ctx.error.code?.includes('USER_ALREADY_EXISTS')) {
@@ -343,10 +346,21 @@ function SignupFormContent({
         }
       }
 
+      // Send verification OTP manually
+      try {
+        await client.emailOtp.sendVerificationOtp({
+          email: emailValue,
+          type: 'email-verification',
+        })
+      } catch (otpError) {
+        logger.error('Failed to send OTP:', otpError)
+        // Continue anyway - user can use resend button
+      }
+
       // Always redirect to verification for new signups
       router.push('/verify?fromSignup=true')
     } catch (error) {
-      console.error('Signup error:', error)
+      logger.error('Signup error:', error)
       setIsLoading(false)
     }
   }

apps/sim/lib/auth.ts

@@ -157,7 +157,7 @@ export const auth = betterAuth({
   emailAndPassword: {
     enabled: true,
     requireEmailVerification: false,
-    sendVerificationOnSignUp: true,
+    sendVerificationOnSignUp: false,
     throwOnMissingCredentials: true,
     throwOnInvalidCredentials: true,
     sendResetPassword: async ({ user, url, token }, request) => {
@@ -284,7 +284,7 @@ export const auth = betterAuth({
           throw error
         }
       },
-      sendVerificationOnSignUp: true,
+      sendVerificationOnSignUp: false,
       otpLength: 6, // Explicitly set the OTP length
       expiresIn: 15 * 60, // 15 minutes in seconds
     }),