Fix magic OTP on dev, fix portal login flash of login form

- loginOTP.cfm/sendOTP.cfm: Use magic OTP code (123456) on dev instead of random
- portal/login.html: Hide login card until auth check completes to prevent flash of login form when redirecting to business selection

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

api/auth/loginOTP.cfm

@@ -76,8 +76,12 @@ try {
         }, { datasource: "payfrit" });
     }
 
-    // Generate and save OTP
+    // Generate OTP (use magic code on dev for easy testing)
     otp = generateOTP();
+    if (structKeyExists(application, "MAGIC_OTP_ENABLED") && application.MAGIC_OTP_ENABLED
+        && structKeyExists(application, "MAGIC_OTP_CODE") && len(application.MAGIC_OTP_CODE)) {
+        otp = application.MAGIC_OTP_CODE;
+    }
     queryExecute("
         UPDATE Users
         SET MobileVerifyCode = :otp

api/auth/sendOTP.cfm

@@ -81,6 +81,10 @@ try {
     ", { phone: { value: phone, cfsqltype: "cf_sql_varchar" } }, { datasource: "payfrit" });
 
     otp = generateOTP();
+    if (structKeyExists(application, "MAGIC_OTP_ENABLED") && application.MAGIC_OTP_ENABLED
+        && structKeyExists(application, "MAGIC_OTP_CODE") && len(application.MAGIC_OTP_CODE)) {
+        otp = application.MAGIC_OTP_CODE;
+    }
     userUUID = "";
 
     if (qIncomplete.recordCount > 0) {

portal/login.html

@@ -167,6 +167,14 @@
       border-color: var(--primary);
     }
 
+    .login-card {
+      visibility: hidden;
+    }
+
+    .login-card.ready {
+      visibility: visible;
+    }
+
     .step {
       display: none;
     }
@@ -186,7 +194,7 @@
       </div>
 
       <!-- Step 1: Login -->
-      <div class="step active" id="step-login">
+      <div class="step" id="step-login">
         <form class="login-form" id="loginForm">
           <div class="login-error" id="loginError"></div>
 
@@ -239,27 +247,31 @@
       businesses: [],
 
       init() {
-        // Check if already logged in
+        const card = document.querySelector('.login-card');
         const savedToken = localStorage.getItem('payfrit_portal_token');
         const savedBusiness = localStorage.getItem('payfrit_portal_business');
         const savedUserId = localStorage.getItem('payfrit_portal_userid');
 
         if (savedToken && savedBusiness) {
-          // Already logged in with a business - redirect to portal
+          // Already logged in with a business - redirect to portal (stay hidden)
           this.verifyAndRedirect(savedToken, savedBusiness);
           return;
         }
 
         if (savedToken && savedUserId) {
-          // Has token but no business selected (switching businesses)
+          // Has token but no business selected - skip login, show business selection
-          // Skip login form, go directly to business selection
           this.userToken = savedToken;
           this.userId = parseInt(savedUserId);
+          this.showStep('business');
+          card.classList.add('ready');
           this.loadBusinessesAndShow();
           return;
         }
 
-        // Setup form handlers
+        // No saved session - show login form
+        this.showStep('login');
+        card.classList.add('ready');
+
         document.getElementById('loginForm').addEventListener('submit', (e) => {
           e.preventDefault();
           this.login();
@@ -331,6 +343,7 @@
             // Load user's businesses
             await this.loadBusinesses();
 
+            const card = document.querySelector('.login-card');
             if (this.businesses.length === 0) {
               // No businesses - go directly to wizard
               this.startNewRestaurant();
@@ -340,6 +353,7 @@
             } else {
               // Multiple businesses - show selection
               this.showStep('business');
+              card.classList.add('ready');
             }
           } else {
             const friendlyErrors = {