diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
new file mode 100644
index 0000000..ddc32ca
--- /dev/null
+++ b/.github/workflows/publish.yml
@@ -0,0 +1,30 @@
+name: Publish to npm 🚀
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - package.json
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          registry-url: 'https://registry.npmjs.org'
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Publish to npm
+        run: npm publish --access public 
\ No newline at end of file
diff --git a/bin/index.js b/bin/index.js
index a2aaad8..5c3b053 100755
--- a/bin/index.js
+++ b/bin/index.js
@@ -6,6 +6,7 @@ import { init } from './init.js';
 const args = process.argv.slice(2);
 let projectName = null;
 let autoAcceptDefaults = false;
+let apiKey = null;
 
 // Check for -y flag
 const yIndex = args.indexOf('-y');
@@ -14,18 +15,48 @@ if (yIndex !== -1) {
   args.splice(yIndex, 1); // Remove -y from args
 }
 
-// If there's a remaining argument, it's the project name
-if (args.length > 0) {
-  projectName = args[0];
-}
+  // Parse other arguments
+  for (let i = 0; i < args.length; i++) {
+    const arg = args[i];
+    
+    if (arg === '-p' || arg === '--project') {
+      if (i + 1 < args.length) {
+        projectName = args[i + 1];
+        if (projectName.startsWith('-')) {
+          console.error('Error: Project name cannot start with a dash (-)');
+          process.exit(1);
+        }
+        args.splice(i, 2); // Remove both the flag and its value
+        i--; // Adjust index since we removed 2 elements
+      } else {
+        console.error('Error: -p/--project requires a project name');
+        process.exit(1);
+      }
+    } else if (arg === '-k' || arg === '--api-key') {
+      if (i + 1 < args.length) {
+        apiKey = args[i + 1];
+        if (apiKey.startsWith('-')) {
+          console.error('Error: API key cannot start with a dash (-)');
+          process.exit(1);
+        }
+        args.splice(i, 2); // Remove both the flag and its value
+        i--; // Adjust index since we removed 2 elements
+      } else {
+        console.error('Error: -k/--api-key requires an API key');
+        process.exit(1);
+      }
+    }
+  }
 
-// If -y is used without project name, we still need to ask for project name
+
+
+// Validate that if -y is used, a project name must be provided
 if (autoAcceptDefaults && !projectName) {
-  // We'll handle this case in the init function by asking only for project name
-  autoAcceptDefaults = false;
+  console.error('Error: -y flag requires a project name. Use -p/--project to specify the project name.');
+  process.exit(1);
 }
 
-init(projectName, autoAcceptDefaults).catch((err) => {
+init(projectName, autoAcceptDefaults, apiKey).catch((err) => {
   console.error('Error:', err);
   process.exit(1);
 });
diff --git a/bin/init.js b/bin/init.js
index 0ab7101..59027ac 100644
--- a/bin/init.js
+++ b/bin/init.js
@@ -12,7 +12,9 @@ const __filename = fileURLToPath(import.meta.url);
 const __dirname = dirname(__filename);
 
 const REPO_URL = 'https://github.com/neynarxyz/create-farcaster-mini-app.git';
-const SCRIPT_VERSION = JSON.parse(fs.readFileSync(path.join(__dirname, '..', 'package.json'), 'utf8')).version;
+const SCRIPT_VERSION = JSON.parse(
+  fs.readFileSync(path.join(__dirname, '..', 'package.json'), 'utf8')
+).version;
 
 // ANSI color codes
 const purple = '\x1b[35m';
@@ -48,8 +50,8 @@ async function queryNeynarApp(apiKey) {
       `https://api.neynar.com/portal/app_by_api_key?starter_kit=true`,
       {
         headers: {
-          'x-api-key': apiKey
-        }
+          'x-api-key': apiKey,
+        },
       }
     );
     const data = await response.json();
@@ -61,7 +63,7 @@ async function queryNeynarApp(apiKey) {
 }
 
 // Export the main CLI function for programmatic use
-export async function init(projectName = null, autoAcceptDefaults = false) {
+export async function init(projectName = null, autoAcceptDefaults = false, apiKey = null) {
   printWelcomeMessage();
 
   // Ask about Neynar usage
@@ -80,16 +82,17 @@ export async function init(projectName = null, autoAcceptDefaults = false) {
         {
           type: 'confirm',
           name: 'useNeynar',
-          message: `🪐 ${purple}${bright}${italic}Neynar is an API that makes it easy to build on Farcaster.${reset}\n\n` +
-          'Benefits of using Neynar in your mini app:\n' +
-          '- Pre-configured webhook handling (no setup required)\n' +
-          '- Automatic mini app analytics in your dev portal\n' +
-          '- Send manual notifications from dev.neynar.com\n' +
-          '- Built-in rate limiting and error handling\n\n' +
-          `${purple}${bright}${italic}A demo API key is included if you would like to try out Neynar before signing up!${reset}\n\n` +
-          'Would you like to use Neynar in your mini app?',
-          default: true
-        }
+          message:
+            `🪐 ${purple}${bright}${italic}Neynar is an API that makes it easy to build on Farcaster.${reset}\n\n` +
+            'Benefits of using Neynar in your mini app:\n' +
+            '- Pre-configured webhook handling (no setup required)\n' +
+            '- Automatic mini app analytics in your dev portal\n' +
+            '- Send manual notifications from dev.neynar.com\n' +
+            '- Built-in rate limiting and error handling\n\n' +
+            `${purple}${bright}${italic}A demo API key is included if you would like to try out Neynar before signing up!${reset}\n\n` +
+            'Would you like to use Neynar in your mini app?',
+          default: true,
+        },
       ]);
     }
 
@@ -98,44 +101,59 @@ export async function init(projectName = null, autoAcceptDefaults = false) {
       break;
     }
 
-    console.log('\n🪐 Find your Neynar API key at: https://dev.neynar.com/app\n');
-    
-    let neynarKeyAnswer;
-    if (autoAcceptDefaults) {
-      neynarKeyAnswer = { neynarApiKey: null };
+    // Use provided API key if available, otherwise prompt for it
+    if (apiKey) {
+      neynarApiKey = apiKey;
     } else {
-      neynarKeyAnswer = await inquirer.prompt([
-        {
-          type: 'password',
-          name: 'neynarApiKey',
-          message: 'Enter your Neynar API key (or press enter to skip):',
-          default: null
-        }
-      ]);
-    }
+      if (!autoAcceptDefaults) {
+        console.log(
+          '\n🪐 Find your Neynar API key at: https://dev.neynar.com/app\n'
+        );
+      }
 
-    if (neynarKeyAnswer.neynarApiKey) {
-      neynarApiKey = neynarKeyAnswer.neynarApiKey;
-    } else {
-      let useDemoKey;
+      let neynarKeyAnswer;
       if (autoAcceptDefaults) {
-        useDemoKey = { useDemo: true };
+        neynarKeyAnswer = { neynarApiKey: null };
       } else {
-        useDemoKey = await inquirer.prompt([
+        neynarKeyAnswer = await inquirer.prompt([
           {
-            type: 'confirm',
-            name: 'useDemo',
-            message: 'Would you like to try the demo Neynar API key?',
-            default: true
-          }
+            type: 'password',
+            name: 'neynarApiKey',
+            message: 'Enter your Neynar API key (or press enter to skip):',
+            default: null,
+          },
         ]);
       }
 
-      if (useDemoKey.useDemo) {
-        console.warn('\n⚠️ Note: the demo key is for development purposes only and is aggressively rate limited.');
-        console.log('For production, please sign up for a Neynar account at https://neynar.com/ and configure the API key in your .env or .env.local file with NEYNAR_API_KEY.');
-        console.log(`\n${purple}${bright}${italic}Neynar now has a free tier! See https://neynar.com/#pricing for details.\n${reset}`);
-        neynarApiKey = 'FARCASTER_V2_FRAMES_DEMO';
+      if (neynarKeyAnswer.neynarApiKey) {
+        neynarApiKey = neynarKeyAnswer.neynarApiKey;
+      } else {
+        let useDemoKey;
+        if (autoAcceptDefaults) {
+          useDemoKey = { useDemo: true };
+        } else {
+          useDemoKey = await inquirer.prompt([
+            {
+              type: 'confirm',
+              name: 'useDemo',
+              message: 'Would you like to try the demo Neynar API key?',
+              default: true,
+            },
+          ]);
+        }
+
+        if (useDemoKey.useDemo) {
+          console.warn(
+            '\n⚠️ Note: the demo key is for development purposes only and is aggressively rate limited.'
+          );
+          console.log(
+            'For production, please sign up for a Neynar account at https://neynar.com/ and configure the API key in your .env or .env.local file with NEYNAR_API_KEY.'
+          );
+          console.log(
+            `\n${purple}${bright}${italic}Neynar now has a free tier! See https://neynar.com/#pricing for details.\n${reset}`
+          );
+          neynarApiKey = 'FARCASTER_V2_FRAMES_DEMO';
+        }
       }
     }
 
@@ -144,14 +162,16 @@ export async function init(projectName = null, autoAcceptDefaults = false) {
         useNeynar = false;
         break;
       }
-      console.log('\n⚠️  No valid API key provided. Would you like to try again?');
+      console.log(
+        '\n⚠️  No valid API key provided. Would you like to try again?'
+      );
       const { retry } = await inquirer.prompt([
         {
           type: 'confirm',
           name: 'retry',
           message: 'Try configuring Neynar again?',
-          default: true
-        }
+          default: true,
+        },
       ]);
       if (!retry) {
         useNeynar = false;
@@ -176,9 +196,10 @@ export async function init(projectName = null, autoAcceptDefaults = false) {
         {
           type: 'confirm',
           name: 'retry',
-          message: '⚠️  Could not find a client ID for this API key. Would you like to try configuring Neynar again?',
-          default: true
-        }
+          message:
+            '⚠️  Could not find a client ID for this API key. Would you like to try configuring Neynar again?',
+          default: true,
+        },
       ]);
       if (!retry) {
         useNeynar = false;
@@ -191,7 +212,10 @@ export async function init(projectName = null, autoAcceptDefaults = false) {
     break;
   }
 
-  const defaultMiniAppName = (neynarAppName && !neynarAppName.toLowerCase().includes('demo')) ? neynarAppName : undefined;
+  const defaultMiniAppName =
+    neynarAppName && !neynarAppName.toLowerCase().includes('demo')
+      ? neynarAppName
+      : undefined;
 
   let answers;
   if (autoAcceptDefaults) {
@@ -203,7 +227,9 @@ export async function init(projectName = null, autoAcceptDefaults = false) {
       buttonText: 'Launch Mini App',
       useWallet: true,
       useTunnel: true,
-      enableAnalytics: true
+      enableAnalytics: true,
+      seedPhrase: null,
+      sponsorSigner: false,
     };
   } else {
     // If autoAcceptDefaults is false but we have a projectName, we still need to ask for other options
@@ -218,21 +244,22 @@ export async function init(projectName = null, autoAcceptDefaults = false) {
             return 'Project name cannot be empty';
           }
           return true;
-        }
-      }
+        },
+      },
     ]);
-    
+
     answers = await inquirer.prompt([
       {
         type: 'input',
         name: 'description',
         message: 'Give a one-line description of your mini app (optional):',
-        default: 'A Farcaster mini app created with Neynar'
+        default: 'A Farcaster mini app created with Neynar',
       },
       {
         type: 'list',
         name: 'primaryCategory',
-        message: 'It is strongly recommended to choose a primary category and tags to help users discover your mini app.\n\nSelect a primary category:',
+        message:
+          'It is strongly recommended to choose a primary category and tags to help users discover your mini app.\n\nSelect a primary category:',
         choices: [
           new inquirer.Separator(),
           { name: 'Skip (not recommended)', value: null },
@@ -249,23 +276,24 @@ export async function init(projectName = null, autoAcceptDefaults = false) {
           { name: 'Education', value: 'education' },
           { name: 'Developer Tools', value: 'developer-tools' },
           { name: 'Entertainment', value: 'entertainment' },
-          { name: 'Art & Creativity', value: 'art-creativity' }
+          { name: 'Art & Creativity', value: 'art-creativity' },
         ],
-        default: null
+        default: null,
       },
       {
         type: 'input',
         name: 'tags',
-        message: 'Enter tags for your mini app (separate with spaces or commas, optional):',
+        message:
+          'Enter tags for your mini app (separate with spaces or commas, optional):',
         default: '',
         filter: (input) => {
           if (!input.trim()) return [];
           // Split by both spaces and commas, trim whitespace, and filter out empty strings
           return input
             .split(/[,\s]+/)
-            .map(tag => tag.trim())
-            .filter(tag => tag.length > 0);
-        }
+            .map((tag) => tag.trim())
+            .filter((tag) => tag.length > 0);
+        },
       },
       {
         type: 'input',
@@ -277,8 +305,8 @@ export async function init(projectName = null, autoAcceptDefaults = false) {
             return 'Button text cannot be empty';
           }
           return true;
-        }
-      }
+        },
+      },
     ]);
 
     // Merge project name from the first prompt
@@ -289,7 +317,8 @@ export async function init(projectName = null, autoAcceptDefaults = false) {
       {
         type: 'confirm',
         name: 'useWallet',
-        message: 'Would you like to include wallet and transaction tooling in your mini app?\n' +
+        message:
+          'Would you like to include wallet and transaction tooling in your mini app?\n' +
           'This includes:\n' +
           '- EVM wallet connection\n' +
           '- Transaction signing\n' +
@@ -297,8 +326,8 @@ export async function init(projectName = null, autoAcceptDefaults = false) {
           '- Chain switching\n' +
           '- Solana support\n\n' +
           'Include wallet and transaction features?',
-        default: true
-      }
+        default: true,
+      },
     ]);
     answers.useWallet = walletAnswer.useWallet;
 
@@ -307,22 +336,61 @@ export async function init(projectName = null, autoAcceptDefaults = false) {
       {
         type: 'confirm',
         name: 'useTunnel',
-        message: 'Would you like to test on mobile and/or test the app with Warpcast developer tools?\n' +
+        message:
+          'Would you like to test on mobile and/or test the app with Warpcast developer tools?\n' +
           `⚠️ ${yellow}${italic}Both mobile testing and the Warpcast debugger require setting up a tunnel to serve your app from localhost to the broader internet.\n${reset}` +
           'Configure a tunnel for mobile testing and/or Warpcast developer tools?',
-        default: true
-      }
+        default: true,
+      },
     ]);
     answers.useTunnel = hostingAnswer.useTunnel;
 
+    // Ask about Neynar Sponsored Signers / SIWN
+    const sponsoredSignerAnswer = await inquirer.prompt([
+      {
+        type: 'confirm',
+        name: 'useSponsoredSigner',
+        message:
+          'Would you like to use Neynar Sponsored Signers and/or Sign In With Neynar (SIWN)?\n' +
+          'This enables the simplest, most secure, and most user-friendly Farcaster authentication for your app.\n\n' +
+          'Benefits of using Neynar Sponsored Signers/SIWN:\n' +
+          '- No auth buildout or signer management required for developers\n' +
+          '- Cost-effective for users (no gas for signers)\n' +
+          '- Users can revoke signers at any time\n' +
+          '- Plug-and-play for web and React Native\n' +
+          '- Recommended for most developers\n' +
+          '\n⚠️ A seed phrase is required for this option.\n',
+        default: false,
+      },
+    ]);
+    answers.useSponsoredSigner = sponsoredSignerAnswer.useSponsoredSigner;
+
+    if (answers.useSponsoredSigner) {
+      const { seedPhrase } = await inquirer.prompt([
+        {
+          type: 'password',
+          name: 'seedPhrase',
+          message: 'Enter your Farcaster custody account seed phrase (required for Neynar Sponsored Signers/SIWN):',
+          validate: (input) => {
+            if (!input || input.trim().split(' ').length < 12) {
+              return 'Seed phrase must be at least 12 words';
+            }
+            return true;
+          },
+        },
+      ]);
+      answers.seedPhrase = seedPhrase;
+    }
+
     // Ask about analytics opt-out
     const analyticsAnswer = await inquirer.prompt([
       {
         type: 'confirm',
         name: 'enableAnalytics',
-        message: 'Would you like to help improve Neynar products by sharing usage data from your mini app?',
-        default: true
-      }
+        message:
+          'Would you like to help improve Neynar products by sharing usage data from your mini app?',
+        default: true,
+      },
     ]);
     answers.enableAnalytics = analyticsAnswer.enableAnalytics;
   }
@@ -337,19 +405,19 @@ export async function init(projectName = null, autoAcceptDefaults = false) {
   try {
     console.log(`\nCloning repository from ${REPO_URL}...`);
     // Use separate commands for better cross-platform compatibility
-    execSync(`git clone ${REPO_URL} "${projectPath}"`, { 
+    execSync(`git clone ${REPO_URL} "${projectPath}"`, {
       stdio: 'inherit',
-      shell: process.platform === 'win32'
+      shell: process.platform === 'win32',
     });
-    execSync('git fetch origin main', { 
-      cwd: projectPath, 
+    execSync('git fetch origin main', {
+      cwd: projectPath,
       stdio: 'inherit',
-      shell: process.platform === 'win32'
+      shell: process.platform === 'win32',
     });
-    execSync('git reset --hard origin/main', { 
-      cwd: projectPath, 
+    execSync('git reset --hard origin/main', {
+      cwd: projectPath,
       stdio: 'inherit',
-      shell: process.platform === 'win32'
+      shell: process.platform === 'win32',
     });
   } catch (error) {
     console.error('\n❌ Error: Failed to create project directory.');
@@ -386,31 +454,32 @@ export async function init(projectName = null, autoAcceptDefaults = false) {
 
   // Add dependencies
   packageJson.dependencies = {
-    "@farcaster/auth-client": ">=0.3.0 <1.0.0",
-    "@farcaster/auth-kit": ">=0.6.0 <1.0.0",
-    "@farcaster/miniapp-node": ">=0.1.5 <1.0.0",
-    "@farcaster/miniapp-sdk": ">=0.1.6 <1.0.0",
-    "@farcaster/miniapp-wagmi-connector": "^1.0.0",
-    "@farcaster/mini-app-solana": ">=0.0.17 <1.0.0",
-    "@neynar/react": "^1.2.5",
-    "@radix-ui/react-label": "^2.1.1",
-    "@solana/wallet-adapter-react": "^0.15.38",
-    "@tanstack/react-query": "^5.61.0",
-    "@upstash/redis": "^1.34.3",
-    "class-variance-authority": "^0.7.1",
-    "clsx": "^2.1.1",
-    "dotenv": "^16.4.7",
-    "lucide-react": "^0.469.0",
-    "mipd": "^0.0.7",
-    "next": "^15",
-    "next-auth": "^4.24.11",
-    "react": "^19",
-    "react-dom": "^19",
-    "tailwind-merge": "^2.6.0",
-    "tailwindcss-animate": "^1.0.7",
-    "viem": "^2.23.6",
-    "wagmi": "^2.14.12",
-    "zod": "^3.24.2"
+    '@farcaster/auth-client': '>=0.3.0 <1.0.0',
+    '@farcaster/auth-kit': '>=0.6.0 <1.0.0',
+    '@farcaster/miniapp-node': '>=0.1.5 <1.0.0',
+    '@farcaster/miniapp-sdk': '>=0.1.6 <1.0.0',
+    '@farcaster/miniapp-wagmi-connector': '^1.0.0',
+    '@farcaster/mini-app-solana': '>=0.0.17 <1.0.0',
+    '@neynar/react': '^1.2.5',
+    '@radix-ui/react-label': '^2.1.1',
+    '@solana/wallet-adapter-react': '^0.15.38',
+    '@tanstack/react-query': '^5.61.0',
+    '@upstash/redis': '^1.34.3',
+    'class-variance-authority': '^0.7.1',
+    clsx: '^2.1.1',
+    dotenv: '^16.4.7',
+    'lucide-react': '^0.469.0',
+    mipd: '^0.0.7',
+    next: '^15',
+    'next-auth': '^4.24.11',
+    react: '^19',
+    'react-dom': '^19',
+    'tailwind-merge': '^2.6.0',
+    'tailwindcss-animate': '^1.0.7',
+    viem: '^2.23.6',
+    wagmi: '^2.14.12',
+    zod: '^3.24.2',
+    siwe: '^3.0.0',
   };
 
   packageJson.devDependencies = {
@@ -452,35 +521,46 @@ export async function init(projectName = null, autoAcceptDefaults = false) {
     const constantsPath = path.join(projectPath, 'src', 'lib', 'constants.ts');
     if (fs.existsSync(constantsPath)) {
       let constantsContent = fs.readFileSync(constantsPath, 'utf8');
-      
+
       // Helper function to escape single quotes in strings
       const escapeString = (str) => str.replace(/'/g, "\\'");
-      
+
       // Helper function to safely replace constants with validation
       const safeReplace = (content, pattern, replacement, constantName) => {
         const match = content.match(pattern);
         if (!match) {
-          console.log(`⚠️  Warning: Could not update ${constantName} in constants.ts. Pattern not found.`);
+          console.log(
+            `⚠️  Warning: Could not update ${constantName} in constants.ts. Pattern not found.`
+          );
           console.log(`Pattern: ${pattern}`);
-          console.log(`Expected to match in: ${content.split('\n').find(line => line.includes(constantName)) || 'Not found'}`);
+          console.log(
+            `Expected to match in: ${
+              content.split('\n').find((line) => line.includes(constantName)) ||
+              'Not found'
+            }`
+          );
         } else {
           const newContent = content.replace(pattern, replacement);
           return newContent;
         }
         return content;
       };
-      
+
       // Regex patterns that match whole lines with export const
       const patterns = {
         APP_NAME: /^export const APP_NAME\s*=\s*['"`][^'"`]*['"`];$/m,
-        APP_DESCRIPTION: /^export const APP_DESCRIPTION\s*=\s*['"`][^'"`]*['"`];$/m,
-        APP_PRIMARY_CATEGORY: /^export const APP_PRIMARY_CATEGORY\s*=\s*['"`][^'"`]*['"`];$/m,
+        APP_DESCRIPTION:
+          /^export const APP_DESCRIPTION\s*=\s*['"`][^'"`]*['"`];$/m,
+        APP_PRIMARY_CATEGORY:
+          /^export const APP_PRIMARY_CATEGORY\s*=\s*['"`][^'"`]*['"`];$/m,
         APP_TAGS: /^export const APP_TAGS\s*=\s*\[[^\]]*\];$/m,
-        APP_BUTTON_TEXT: /^export const APP_BUTTON_TEXT\s*=\s*['"`][^'"`]*['"`];$/m,
+        APP_BUTTON_TEXT:
+          /^export const APP_BUTTON_TEXT\s*=\s*['"`][^'"`]*['"`];$/m,
         USE_WALLET: /^export const USE_WALLET\s*=\s*(true|false);$/m,
-        ANALYTICS_ENABLED: /^export const ANALYTICS_ENABLED\s*=\s*(true|false);$/m
+        ANALYTICS_ENABLED:
+          /^export const ANALYTICS_ENABLED\s*=\s*(true|false);$/m,
       };
-      
+
       // Update APP_NAME
       constantsContent = safeReplace(
         constantsContent,
@@ -488,42 +568,49 @@ export async function init(projectName = null, autoAcceptDefaults = false) {
         `export const APP_NAME = '${escapeString(answers.projectName)}';`,
         'APP_NAME'
       );
-      
+
       // Update APP_DESCRIPTION
       constantsContent = safeReplace(
         constantsContent,
         patterns.APP_DESCRIPTION,
-        `export const APP_DESCRIPTION = '${escapeString(answers.description)}';`,
+        `export const APP_DESCRIPTION = '${escapeString(
+          answers.description
+        )}';`,
         'APP_DESCRIPTION'
       );
-      
+
       // Update APP_PRIMARY_CATEGORY (always update, null becomes empty string)
       constantsContent = safeReplace(
         constantsContent,
         patterns.APP_PRIMARY_CATEGORY,
-        `export const APP_PRIMARY_CATEGORY = '${escapeString(answers.primaryCategory || '')}';`,
+        `export const APP_PRIMARY_CATEGORY = '${escapeString(
+          answers.primaryCategory || ''
+        )}';`,
         'APP_PRIMARY_CATEGORY'
       );
-      
+
       // Update APP_TAGS
-      const tagsString = answers.tags.length > 0 
-        ? `['${answers.tags.map(tag => escapeString(tag)).join("', '")}']` 
-        : "['neynar', 'starter-kit', 'demo']";
+      const tagsString =
+        answers.tags.length > 0
+          ? `['${answers.tags.map((tag) => escapeString(tag)).join("', '")}']`
+          : "['neynar', 'starter-kit', 'demo']";
       constantsContent = safeReplace(
         constantsContent,
         patterns.APP_TAGS,
         `export const APP_TAGS = ${tagsString};`,
         'APP_TAGS'
       );
-      
+
       // Update APP_BUTTON_TEXT (always update, use answers value)
       constantsContent = safeReplace(
         constantsContent,
         patterns.APP_BUTTON_TEXT,
-        `export const APP_BUTTON_TEXT = '${escapeString(answers.buttonText || '')}';`,
+        `export const APP_BUTTON_TEXT = '${escapeString(
+          answers.buttonText || ''
+        )}';`,
         'APP_BUTTON_TEXT'
       );
-      
+
       // Update USE_WALLET
       constantsContent = safeReplace(
         constantsContent,
@@ -531,7 +618,7 @@ export async function init(projectName = null, autoAcceptDefaults = false) {
         `export const USE_WALLET = ${answers.useWallet};`,
         'USE_WALLET'
       );
-      
+
       // Update ANALYTICS_ENABLED
       constantsContent = safeReplace(
         constantsContent,
@@ -539,24 +626,34 @@ export async function init(projectName = null, autoAcceptDefaults = false) {
         `export const ANALYTICS_ENABLED = ${answers.enableAnalytics};`,
         'ANALYTICS_ENABLED'
       );
-      
+
       fs.writeFileSync(constantsPath, constantsContent);
     } else {
       console.log('⚠️  constants.ts not found, skipping constants update');
     }
 
-    fs.appendFileSync(envPath, `\nNEXTAUTH_SECRET="${crypto.randomBytes(32).toString('hex')}"`);
+    fs.appendFileSync(
+      envPath,
+      `\nNEXTAUTH_SECRET="${crypto.randomBytes(32).toString('hex')}"`
+    );
     if (useNeynar && neynarApiKey && neynarClientId) {
       fs.appendFileSync(envPath, `\nNEYNAR_API_KEY="${neynarApiKey}"`);
       fs.appendFileSync(envPath, `\nNEYNAR_CLIENT_ID="${neynarClientId}"`);
     } else if (useNeynar) {
-      console.log('\n⚠️  Could not find a Neynar client ID and/or API key. Please configure Neynar manually in .env.local with NEYNAR_API_KEY and NEYNAR_CLIENT_ID');
+      console.log(
+        '\n⚠️  Could not find a Neynar client ID and/or API key. Please configure Neynar manually in .env.local with NEYNAR_API_KEY and NEYNAR_CLIENT_ID'
+      );
+    }
+    if (answers.seedPhrase) {
+      fs.appendFileSync(envPath, `\nSEED_PHRASE="${answers.seedPhrase}"`);
     }
     fs.appendFileSync(envPath, `\nUSE_TUNNEL="${answers.useTunnel}"`);
-    
+
     fs.unlinkSync(envExamplePath);
   } else {
-    console.log('\n.env.example does not exist, skipping copy and remove operations');
+    console.log(
+      '\n.env.example does not exist, skipping copy and remove operations'
+    );
   }
 
   // Update README
@@ -564,7 +661,9 @@ export async function init(projectName = null, autoAcceptDefaults = false) {
   const readmePath = path.join(projectPath, 'README.md');
   const prependText = `<!-- generated by @neynar/create-farcaster-mini-app version ${SCRIPT_VERSION} -->\n\n`;
   if (fs.existsSync(readmePath)) {
-    const originalReadmeContent = fs.readFileSync(readmePath, { encoding: 'utf8' });
+    const originalReadmeContent = fs.readFileSync(readmePath, {
+      encoding: 'utf8',
+    });
     const updatedReadmeContent = prependText + originalReadmeContent;
     fs.writeFileSync(readmePath, updatedReadmeContent);
   } else {
@@ -574,15 +673,15 @@ export async function init(projectName = null, autoAcceptDefaults = false) {
   // Install dependencies
   console.log('\nInstalling dependencies...');
 
-  execSync('npm cache clean --force', { 
-    cwd: projectPath, 
+  execSync('npm cache clean --force', {
+    cwd: projectPath,
     stdio: 'inherit',
-    shell: process.platform === 'win32'
+    shell: process.platform === 'win32',
   });
-  execSync('npm install', { 
-    cwd: projectPath, 
+  execSync('npm install', {
+    cwd: projectPath,
     stdio: 'inherit',
-    shell: process.platform === 'win32'
+    shell: process.platform === 'win32',
   });
 
   // Remove the bin directory
@@ -596,12 +695,15 @@ export async function init(projectName = null, autoAcceptDefaults = false) {
   console.log('\nInitializing git repository...');
   execSync('git init', { cwd: projectPath });
   execSync('git add .', { cwd: projectPath });
-  execSync('git commit -m "initial commit from @neynar/create-farcaster-mini-app"', { cwd: projectPath });
+  execSync(
+    'git commit -m "initial commit from @neynar/create-farcaster-mini-app"',
+    { cwd: projectPath }
+  );
 
   // Calculate border length based on message length
   const message = `✨🪐 Successfully created mini app ${finalProjectName} with git and dependencies installed! 🪐✨`;
   const borderLength = message.length;
-  const borderStars = '✨'.repeat((borderLength / 2) + 1);
+  const borderStars = '✨'.repeat(borderLength / 2 + 1);
 
   console.log(`\n${borderStars}`);
   console.log(`${message}`);
diff --git a/scripts/deploy.ts b/scripts/deploy.ts
index 0578e91..e64d4d2 100755
--- a/scripts/deploy.ts
+++ b/scripts/deploy.ts
@@ -6,9 +6,7 @@ import { fileURLToPath } from 'url';
 import inquirer from 'inquirer';
 import dotenv from 'dotenv';
 import crypto from 'crypto';
-// Add fallback type for Vercel if type is missing
-// @ts-ignore
-import { Vercel as VercelSDKType } from '@vercel/sdk';
+import { Vercel } from '@vercel/sdk';
 import { APP_NAME, APP_BUTTON_TEXT } from '../src/lib/constants';
 
 const __dirname = path.dirname(fileURLToPath(import.meta.url));
@@ -24,33 +22,37 @@ async function loadEnvLocal(): Promise<void> {
         {
           type: 'confirm',
           name: 'loadLocal',
-          message: 'Found .env.local - would you like to load its values in addition to .env values? (except for SEED_PHRASE, values will be written to .env)',
-          default: true
-        }
+          message:
+            'Found .env.local - would you like to load its values in addition to .env values?',
+          default: true,
+        },
       ]);
 
       if (loadLocal) {
         console.log('Loading values from .env.local...');
         const localEnv = dotenv.parse(fs.readFileSync('.env.local'));
-        
+
         const allowedVars = [
           'SEED_PHRASE',
           'NEYNAR_API_KEY',
-          'NEYNAR_CLIENT_ID'
+          'NEYNAR_CLIENT_ID',
+          'SPONSOR_SIGNER',
         ];
-        
-        const envContent = fs.existsSync('.env') ? fs.readFileSync('.env', 'utf8') + '\n' : '';
+
+        const envContent = fs.existsSync('.env')
+          ? fs.readFileSync('.env', 'utf8') + '\n'
+          : '';
         let newEnvContent = envContent;
-        
+
         for (const [key, value] of Object.entries(localEnv)) {
           if (allowedVars.includes(key)) {
             process.env[key] = value;
-            if (key !== 'SEED_PHRASE' && !envContent.includes(`${key}=`)) {
+            if (!envContent.includes(`${key}=`)) {
               newEnvContent += `${key}="${value}"\n`;
             }
           }
         }
-        
+
         fs.writeFileSync('.env', newEnvContent);
         console.log('✅ Values from .env.local have been written to .env');
       }
@@ -63,7 +65,7 @@ async function loadEnvLocal(): Promise<void> {
 async function checkRequiredEnvVars(): Promise<void> {
   console.log('\n📝 Checking environment variables...');
   console.log('Loading values from .env...');
-  
+
   await loadEnvLocal();
 
   const requiredVars = [
@@ -81,10 +83,12 @@ async function checkRequiredEnvVars(): Promise<void> {
     }
   ];
 
-  const missingVars = requiredVars.filter(varConfig => !process.env[varConfig.name]);
-  
+  const missingVars = requiredVars.filter(
+    (varConfig) => !process.env[varConfig.name]
+  );
+
   if (missingVars.length > 0) {
-    console.log('\n⚠️  Some required information is missing. Let\'s set it up:');
+    console.log("\n⚠️  Some required information is missing. Let's set it up:");
     for (const varConfig of missingVars) {
       const { value } = await inquirer.prompt([
         {
@@ -92,27 +96,69 @@ async function checkRequiredEnvVars(): Promise<void> {
           name: 'value',
           message: varConfig.message,
           default: varConfig.default,
-          validate: varConfig.validate
-        }
+          validate: varConfig.validate,
+        },
       ]);
-      
+
       process.env[varConfig.name] = value;
-      
-      const envContent = fs.existsSync('.env') ? fs.readFileSync('.env', 'utf8') : '';
-      
+
+      const envContent = fs.existsSync('.env')
+        ? fs.readFileSync('.env', 'utf8')
+        : '';
+
       if (!envContent.includes(`${varConfig.name}=`)) {
         const newLine = envContent ? '\n' : '';
-        fs.appendFileSync('.env', `${newLine}${varConfig.name}="${value.trim()}"`);
+        fs.appendFileSync(
+          '.env',
+          `${newLine}${varConfig.name}="${value.trim()}"`
+        );
       }
+
+      // Ask about sponsor signer if SEED_PHRASE is provided
+      if (!process.env.SPONSOR_SIGNER) {
+        const { sponsorSigner } = await inquirer.prompt([
+          {
+            type: 'confirm',
+            name: 'sponsorSigner',
+            message:
+              'Do you want to sponsor the signer? (This will be used in Sign In With Neynar)\n' +
+              'Note: If you choose to sponsor the signer, Neynar will sponsor it for you and you will be charged in CUs.\n' +
+              'For more information, see https://docs.neynar.com/docs/two-ways-to-sponsor-a-farcaster-signer-via-neynar#sponsor-signers',
+            default: false,
+          },
+        ]);
+
+        process.env.SPONSOR_SIGNER = sponsorSigner.toString();
+
+        if (storeSeedPhrase) {
+          fs.appendFileSync(
+            '.env.local',
+            `\nSPONSOR_SIGNER="${sponsorSigner}"`
+          );
+          console.log('✅ Sponsor signer preference stored in .env.local');
+        }
+      }
+    }
+  }
+
+  // Load SPONSOR_SIGNER from .env.local if SEED_PHRASE exists but SPONSOR_SIGNER doesn't
+  if (
+    process.env.SEED_PHRASE &&
+    !process.env.SPONSOR_SIGNER &&
+    fs.existsSync('.env.local')
+  ) {
+    const localEnv = dotenv.parse(fs.readFileSync('.env.local'));
+    if (localEnv.SPONSOR_SIGNER) {
+      process.env.SPONSOR_SIGNER = localEnv.SPONSOR_SIGNER;
     }
   }
 }
 
 async function getGitRemote(): Promise<string | null> {
   try {
-    const remoteUrl = execSync('git remote get-url origin', { 
+    const remoteUrl = execSync('git remote get-url origin', {
       cwd: projectRoot,
-      encoding: 'utf8'
+      encoding: 'utf8',
     }).trim();
     return remoteUrl;
   } catch (error: unknown) {
@@ -157,19 +203,19 @@ async function getVercelToken(): Promise<string | null> {
       console.warn('Could not read Vercel token from config file');
     }
   }
-  
+
   // Try environment variable
   if (process.env.VERCEL_TOKEN) {
     return process.env.VERCEL_TOKEN;
   }
-  
+
   // Try to extract from vercel whoami
   try {
-    const whoamiOutput = execSync('vercel whoami', { 
+    const whoamiOutput = execSync('vercel whoami', {
       encoding: 'utf8',
-      stdio: 'pipe'
+      stdio: 'pipe',
     });
-    
+
     // If we can get whoami, we're logged in, but we need the actual token
     // The token isn't directly exposed, so we'll need to use CLI for some operations
     console.log('✅ Verified Vercel CLI authentication');
@@ -192,10 +238,12 @@ async function loginToVercel(): Promise<boolean> {
   console.log('2. Authorize GitHub access');
   console.log('3. Complete the Vercel account setup in your browser');
   console.log('4. Return here once your Vercel account is created\n');
-  console.log('\nNote: you may need to cancel this script with ctrl+c and run it again if creating a new vercel account');
-  
+  console.log(
+    '\nNote: you may need to cancel this script with ctrl+c and run it again if creating a new vercel account'
+  );
+
   const child = spawn('vercel', ['login'], {
-    stdio: 'inherit'
+    stdio: 'inherit',
   });
 
   await new Promise<void>((resolve, reject) => {
@@ -205,8 +253,10 @@ async function loginToVercel(): Promise<boolean> {
   });
 
   console.log('\n📱 Waiting for login to complete...');
-  console.log('If you\'re creating a new account, please complete the Vercel account setup in your browser first.');
-  
+  console.log(
+    "If you're creating a new account, please complete the Vercel account setup in your browser first."
+  );
+
   for (let i = 0; i < 150; i++) {
     try {
       execSync('vercel whoami', { stdio: 'ignore' });
@@ -216,7 +266,7 @@ async function loginToVercel(): Promise<boolean> {
       if (error instanceof Error && error.message.includes('Account not found')) {
         console.log('ℹ️  Waiting for Vercel account setup to complete...');
       }
-      await new Promise(resolve => setTimeout(resolve, 2000));
+      await new Promise((resolve) => setTimeout(resolve, 2000));
     }
   }
 
@@ -227,7 +277,7 @@ async function loginToVercel(): Promise<boolean> {
   return false;
 }
 
-async function setVercelEnvVarSDK(vercelClient: VercelSDKType, projectId: string, key: string, value: string | object): Promise<boolean> {
+async function setVercelEnvVarSDK(vercelClient: Vercel, projectId: string, key: string, value: string | object): Promise<boolean> {
   try {
     let processedValue: string;
     if (typeof value === 'object') {
@@ -238,7 +288,7 @@ async function setVercelEnvVarSDK(vercelClient: VercelSDKType, projectId: string
 
     // Get existing environment variables
     const existingVars = await vercelClient.projects.getEnvironmentVariables({
-      idOrName: projectId
+      idOrName: projectId,
     });
 
     const existingVar = existingVars.envs?.find((env: any) => 
@@ -252,8 +302,8 @@ async function setVercelEnvVarSDK(vercelClient: VercelSDKType, projectId: string
         id: existingVar.id,
         requestBody: {
           value: processedValue,
-          target: ['production']
-        }
+          target: ['production'],
+        },
       });
       console.log(`✅ Updated environment variable: ${key}`);
     } else {
@@ -264,12 +314,12 @@ async function setVercelEnvVarSDK(vercelClient: VercelSDKType, projectId: string
           key: key,
           value: processedValue,
           type: 'encrypted',
-          target: ['production']
-        }
+          target: ['production'],
+        },
       });
       console.log(`✅ Created environment variable: ${key}`);
     }
-    
+
     return true;
   } catch (error: unknown) {
     if (error instanceof Error) {
@@ -287,7 +337,7 @@ async function setVercelEnvVarCLI(key: string, value: string | object, projectRo
       execSync(`vercel env rm ${key} production -y`, {
         cwd: projectRoot,
         stdio: 'ignore',
-        env: process.env
+        env: process.env,
       });
     } catch (error: unknown) {
       // Ignore errors from removal
@@ -334,55 +384,57 @@ async function setVercelEnvVarCLI(key: string, value: string | object, projectRo
   }
 }
 
-async function setEnvironmentVariables(vercelClient: VercelSDKType | null, projectId: string | null, envVars: Record<string, string | object>, projectRoot: string): Promise<Array<{ key: string; success: boolean }>> {
+async function setEnvironmentVariables(vercelClient: Vercel | null, projectId: string | null, envVars: Record<string, string | object>, projectRoot: string): Promise<Array<{ key: string; success: boolean }>> {
   console.log('\n📝 Setting up environment variables...');
   
   const results: Array<{ key: string; success: boolean }> = [];
   
   for (const [key, value] of Object.entries(envVars)) {
     if (!value) continue;
-    
+
     let success = false;
-    
+
     // Try SDK approach first if we have a Vercel client
     if (vercelClient && projectId) {
       success = await setVercelEnvVarSDK(vercelClient, projectId, key, value);
     }
-    
+
     // Fallback to CLI approach
     if (!success) {
       success = await setVercelEnvVarCLI(key, value, projectRoot);
     }
-    
+
     results.push({ key, success });
   }
-  
+
   // Report results
-  const failed = results.filter(r => !r.success);
+  const failed = results.filter((r) => !r.success);
   if (failed.length > 0) {
     console.warn(`\n⚠️  Failed to set ${failed.length} environment variables:`);
-    failed.forEach(r => console.warn(`   - ${r.key}`));
-    console.warn('\nYou may need to set these manually in the Vercel dashboard.');
+    failed.forEach((r) => console.warn(`   - ${r.key}`));
+    console.warn(
+      '\nYou may need to set these manually in the Vercel dashboard.'
+    );
   }
-  
+
   return results;
 }
 
-async function waitForDeployment(vercelClient: VercelSDKType | null, projectId: string, maxWaitTime = 300000): Promise<any> { // 5 minutes
+async function waitForDeployment(vercelClient: Vercel | null, projectId: string, maxWaitTime = 300000): Promise<any> { // 5 minutes
   console.log('\n⏳ Waiting for deployment to complete...');
   const startTime = Date.now();
-  
+
   while (Date.now() - startTime < maxWaitTime) {
     try {
       const deployments = await vercelClient?.deployments.list({
         projectId: projectId,
-        limit: 1
+        limit: 1,
       });
       
       if (deployments?.deployments?.[0]) {
         const deployment = deployments.deployments[0];
         console.log(`📊 Deployment status: ${deployment.state}`);
-        
+
         if (deployment.state === 'READY') {
           console.log('✅ Deployment completed successfully!');
           return deployment;
@@ -391,12 +443,12 @@ async function waitForDeployment(vercelClient: VercelSDKType | null, projectId:
         } else if (deployment.state === 'CANCELED') {
           throw new Error('Deployment was canceled');
         }
-        
+
         // Still building, wait and check again
-        await new Promise(resolve => setTimeout(resolve, 5000)); // Wait 5 seconds
+        await new Promise((resolve) => setTimeout(resolve, 5000)); // Wait 5 seconds
       } else {
         console.log('⏳ No deployment found yet, waiting...');
-        await new Promise(resolve => setTimeout(resolve, 5000));
+        await new Promise((resolve) => setTimeout(resolve, 5000));
       }
     } catch (error: unknown) {
       if (error instanceof Error) {
@@ -406,29 +458,40 @@ async function waitForDeployment(vercelClient: VercelSDKType | null, projectId:
       throw error;
     }
   }
-  
+
   throw new Error('Deployment timed out after 5 minutes');
 }
 
 async function deployToVercel(useGitHub = false): Promise<void> {
   try {
     console.log('\n🚀 Deploying to Vercel...');
-    
+
     // Ensure vercel.json exists
     const vercelConfigPath = path.join(projectRoot, 'vercel.json');
     if (!fs.existsSync(vercelConfigPath)) {
       console.log('📝 Creating vercel.json configuration...');
-      fs.writeFileSync(vercelConfigPath, JSON.stringify({
-        buildCommand: "next build",
-        framework: "nextjs"
-      }, null, 2));
+      fs.writeFileSync(
+        vercelConfigPath,
+        JSON.stringify(
+          {
+            buildCommand: 'next build',
+            framework: 'nextjs',
+          },
+          null,
+          2
+        )
+      );
     }
 
     // Set up Vercel project
     console.log('\n📦 Setting up Vercel project...');
-    console.log('An initial deployment is required to get an assigned domain that can be used in the mini app manifest\n');
-    console.log('\n⚠️ Note: choosing a longer, more unique project name will help avoid conflicts with other existing domains\n');
-    
+    console.log(
+      'An initial deployment is required to get an assigned domain that can be used in the mini app manifest\n'
+    );
+    console.log(
+      '\n⚠️ Note: choosing a longer, more unique project name will help avoid conflicts with other existing domains\n'
+    );
+
     // Use spawn instead of execSync for better error handling
     const { spawn } = await import('child_process');
     const vercelSetup = spawn('vercel', [], { 
@@ -447,7 +510,7 @@ async function deployToVercel(useGitHub = false): Promise<void> {
           resolve(); // Don't reject, as this is often expected
         }
       });
-      
+
       vercelSetup.on('error', (error) => {
         console.log('⚠️  Vercel setup command completed (this is normal)');
         resolve(); // Don't reject, as this is often expected
@@ -455,12 +518,14 @@ async function deployToVercel(useGitHub = false): Promise<void> {
     });
 
     // Wait a moment for project files to be written
-    await new Promise(resolve => setTimeout(resolve, 2000));
+    await new Promise((resolve) => setTimeout(resolve, 2000));
 
     // Load project info
     let projectId: string;
     try {
-      const projectJson = JSON.parse(fs.readFileSync('.vercel/project.json', 'utf8'));
+      const projectJson = JSON.parse(
+        fs.readFileSync('.vercel/project.json', 'utf8')
+      );
       projectId = projectJson.projectId;
     } catch (error: unknown) {
       if (error instanceof Error) {
@@ -470,11 +535,11 @@ async function deployToVercel(useGitHub = false): Promise<void> {
     }
 
     // Get Vercel token and initialize SDK client
-    let vercelClient: VercelSDKType | null = null;
+    let vercelClient: Vercel | null = null;
     try {
       const token = await getVercelToken();
       if (token) {
-        vercelClient = new VercelSDKType({
+        vercelClient = new Vercel({
           bearerToken: token
         });
         console.log('✅ Initialized Vercel SDK client');
@@ -494,7 +559,7 @@ async function deployToVercel(useGitHub = false): Promise<void> {
     if (vercelClient) {
       try {
         const project = await vercelClient.projects.get({
-          idOrName: projectId
+          idOrName: projectId,
         });
         projectName = project.name;
         domain = `${projectName}.vercel.app`;
@@ -510,10 +575,13 @@ async function deployToVercel(useGitHub = false): Promise<void> {
     // Fallback to CLI method if SDK failed
     if (!domain) {
       try {
-        const inspectOutput = execSync(`vercel project inspect ${projectId} 2>&1`, {
-          cwd: projectRoot,
-          encoding: 'utf8'
-        });
+        const inspectOutput = execSync(
+          `vercel project inspect ${projectId} 2>&1`,
+          {
+            cwd: projectRoot,
+            encoding: 'utf8',
+          }
+        );
 
         const nameMatch = inspectOutput.match(/Name\s+([^\n]+)/);
         if (nameMatch) {
@@ -527,7 +595,9 @@ async function deployToVercel(useGitHub = false): Promise<void> {
             domain = `${projectName}.vercel.app`;
             console.log('🌐 Using project name for domain:', domain);
           } else {
-            console.warn('⚠️  Could not determine project name from inspection, using fallback');
+            console.warn(
+              '⚠️  Could not determine project name from inspection, using fallback'
+            );
             // Use a fallback domain based on project ID
             domain = `project-${projectId.slice(-8)}.vercel.app`;
             console.log('🌐 Using fallback domain:', domain);
@@ -545,7 +615,8 @@ async function deployToVercel(useGitHub = false): Promise<void> {
     }
 
     // Prepare environment variables
-    const nextAuthSecret = process.env.NEXTAUTH_SECRET || crypto.randomBytes(32).toString('hex');
+    const nextAuthSecret =
+      process.env.NEXTAUTH_SECRET || crypto.randomBytes(32).toString('hex');
     const vercelEnv = {
       NEXTAUTH_SECRET: nextAuthSecret,
       AUTH_SECRET: nextAuthSecret,
@@ -554,23 +625,30 @@ async function deployToVercel(useGitHub = false): Promise<void> {
       
       ...(process.env.NEYNAR_API_KEY && { NEYNAR_API_KEY: process.env.NEYNAR_API_KEY }),
       ...(process.env.NEYNAR_CLIENT_ID && { NEYNAR_CLIENT_ID: process.env.NEYNAR_CLIENT_ID }),
+      ...(process.env.SPONSOR_SIGNER && { SPONSOR_SIGNER: process.env.SPONSOR_SIGNER }),
       
       ...Object.fromEntries(
-        Object.entries(process.env)
-          .filter(([key]) => key.startsWith('NEXT_PUBLIC_'))
-      )
+        Object.entries(process.env).filter(([key]) =>
+          key.startsWith('NEXT_PUBLIC_')
+        )
+      ),
     };
 
     // Set environment variables
-    await setEnvironmentVariables(vercelClient, projectId, vercelEnv, projectRoot);
+    await setEnvironmentVariables(
+      vercelClient,
+      projectId,
+      vercelEnv,
+      projectRoot
+    );
 
     // Deploy the project
     if (useGitHub) {
       console.log('\nSetting up GitHub integration...');
-      execSync('vercel link', { 
+      execSync('vercel link', {
         cwd: projectRoot,
         stdio: 'inherit',
-        env: process.env
+        env: process.env,
       });
       console.log('\n📦 Deploying with GitHub integration...');
     } else {
@@ -578,10 +656,10 @@ async function deployToVercel(useGitHub = false): Promise<void> {
     }
 
     // Use spawn for better control over the deployment process
-    const vercelDeploy = spawn('vercel', ['deploy', '--prod'], { 
+    const vercelDeploy = spawn('vercel', ['deploy', '--prod'], {
       cwd: projectRoot,
       stdio: 'inherit',
-      env: process.env
+      env: process.env,
     });
 
     await new Promise<void>((resolve, reject) => {
@@ -594,7 +672,7 @@ async function deployToVercel(useGitHub = false): Promise<void> {
           reject(new Error(`Vercel deployment failed with exit code: ${code}`));
         }
       });
-      
+
       vercelDeploy.on('error', (error) => {
         console.error('❌ Vercel deployment error:', error.message);
         reject(error);
@@ -617,7 +695,7 @@ async function deployToVercel(useGitHub = false): Promise<void> {
 
     // Verify actual domain after deployment
     console.log('\n🔍 Verifying deployment domain...');
-    
+
     let actualDomain = domain;
     if (vercelClient && deployment) {
       try {
@@ -637,16 +715,16 @@ async function deployToVercel(useGitHub = false): Promise<void> {
 
       const updatedEnv: Record<string, string | object> = {
         NEXTAUTH_URL: `https://${actualDomain}`,
-        NEXT_PUBLIC_URL: `https://${actualDomain}`
+        NEXT_PUBLIC_URL: `https://${actualDomain}`,
       };
 
       await setEnvironmentVariables(vercelClient, projectId, updatedEnv, projectRoot);
 
       console.log('\n📦 Redeploying with correct domain...');
-      const vercelRedeploy = spawn('vercel', ['deploy', '--prod'], { 
+      const vercelRedeploy = spawn('vercel', ['deploy', '--prod'], {
         cwd: projectRoot,
         stdio: 'inherit',
-        env: process.env
+        env: process.env,
       });
 
       await new Promise<void>((resolve, reject) => {
@@ -659,16 +737,16 @@ async function deployToVercel(useGitHub = false): Promise<void> {
             reject(new Error(`Redeployment failed with exit code: ${code}`));
           }
         });
-        
+
         vercelRedeploy.on('error', (error) => {
           console.error('❌ Redeployment error:', error.message);
           reject(error);
         });
       });
-      
+
       domain = actualDomain;
     }
-    
+
     console.log('\n✨ Deployment complete! Your mini app is now live at:');
     console.log(`🌐 https://${domain}`);
     console.log('\n📝 You can manage your project at https://vercel.com/dashboard');
@@ -725,7 +803,9 @@ async function deployToVercel(useGitHub = false): Promise<void> {
 async function main(): Promise<void> {
   try {
     console.log('🚀 Vercel Mini App Deployment (SDK Edition)');
-    console.log('This script will deploy your mini app to Vercel using the Vercel SDK.');
+    console.log(
+      'This script will deploy your mini app to Vercel using the Vercel SDK.'
+    );
     console.log('\nThe script will:');
     console.log('1. Check for required environment variables');
     console.log('2. Set up a Vercel project (new or existing)');
@@ -759,8 +839,8 @@ async function main(): Promise<void> {
           type: 'confirm',
           name: 'useGitHubDeploy',
           message: 'Would you like to deploy from the GitHub repository?',
-          default: true
-        }
+          default: true,
+        },
       ]);
       useGitHub = useGitHubDeploy;
     } else {
@@ -772,10 +852,10 @@ async function main(): Promise<void> {
           message: 'What would you like to do?',
           choices: [
             { name: 'Deploy local code directly', value: 'deploy' },
-            { name: 'Set up GitHub repository first', value: 'setup' }
+            { name: 'Set up GitHub repository first', value: 'setup' },
           ],
-          default: 'deploy'
-        }
+          default: 'deploy',
+        },
       ]);
 
       if (action === 'setup') {
@@ -789,12 +869,12 @@ async function main(): Promise<void> {
       }
     }
 
-    if (!await checkVercelCLI()) {
+    if (!(await checkVercelCLI())) {
       console.log('Vercel CLI not found. Installing...');
       await installVercelCLI();
     }
 
-    if (!await loginToVercel()) {
+    if (!(await loginToVercel())) {
       console.error('\n❌ Failed to log in to Vercel. Please try again.');
       process.exit(1);
     }
@@ -810,4 +890,4 @@ async function main(): Promise<void> {
   }
 }
 
-main();
\ No newline at end of file
+main();
diff --git a/src/app/api/auth/nonce/route.ts b/src/app/api/auth/nonce/route.ts
new file mode 100644
index 0000000..a1f25ea
--- /dev/null
+++ b/src/app/api/auth/nonce/route.ts
@@ -0,0 +1,16 @@
+import { NextResponse } from 'next/server';
+import { getNeynarClient } from '~/lib/neynar';
+
+export async function GET() {
+  try {
+    const client = getNeynarClient();
+    const response = await client.fetchNonce();
+    return NextResponse.json(response);
+  } catch (error) {
+    console.error('Error fetching nonce:', error);
+    return NextResponse.json(
+      { error: 'Failed to fetch nonce' },
+      { status: 500 }
+    );
+  }
+}
diff --git a/src/app/api/auth/session-signers/route.ts b/src/app/api/auth/session-signers/route.ts
new file mode 100644
index 0000000..630ef3b
--- /dev/null
+++ b/src/app/api/auth/session-signers/route.ts
@@ -0,0 +1,43 @@
+import { NextResponse } from 'next/server';
+import { getNeynarClient } from '~/lib/neynar';
+
+export async function GET(request: Request) {
+  try {
+    const { searchParams } = new URL(request.url);
+    const message = searchParams.get('message');
+    const signature = searchParams.get('signature');
+
+    if (!message || !signature) {
+      return NextResponse.json(
+        { error: 'Message and signature are required' },
+        { status: 400 }
+      );
+    }
+
+    const client = getNeynarClient();
+    const data = await client.fetchSigners({ message, signature });
+    const signers = data.signers;
+
+    // Fetch user data if signers exist
+    let user = null;
+    if (signers && signers.length > 0 && signers[0].fid) {
+      const {
+        users: [fetchedUser],
+      } = await client.fetchBulkUsers({
+        fids: [signers[0].fid],
+      });
+      user = fetchedUser;
+    }
+
+    return NextResponse.json({
+      signers,
+      user,
+    });
+  } catch (error) {
+    console.error('Error in session-signers API:', error);
+    return NextResponse.json(
+      { error: 'Failed to fetch signers' },
+      { status: 500 }
+    );
+  }
+}
diff --git a/src/app/api/auth/signer/route.ts b/src/app/api/auth/signer/route.ts
new file mode 100644
index 0000000..f793d0e
--- /dev/null
+++ b/src/app/api/auth/signer/route.ts
@@ -0,0 +1,42 @@
+import { NextResponse } from 'next/server';
+import { getNeynarClient } from '~/lib/neynar';
+
+export async function POST() {
+  try {
+    const neynarClient = getNeynarClient();
+    const signer = await neynarClient.createSigner();
+    return NextResponse.json(signer);
+  } catch (error) {
+    console.error('Error fetching signer:', error);
+    return NextResponse.json(
+      { error: 'Failed to fetch signer' },
+      { status: 500 }
+    );
+  }
+}
+
+export async function GET(request: Request) {
+  const { searchParams } = new URL(request.url);
+  const signerUuid = searchParams.get('signerUuid');
+
+  if (!signerUuid) {
+    return NextResponse.json(
+      { error: 'signerUuid is required' },
+      { status: 400 }
+    );
+  }
+
+  try {
+    const neynarClient = getNeynarClient();
+    const signer = await neynarClient.lookupSigner({
+      signerUuid,
+    });
+    return NextResponse.json(signer);
+  } catch (error) {
+    console.error('Error fetching signed key:', error);
+    return NextResponse.json(
+      { error: 'Failed to fetch signed key' },
+      { status: 500 }
+    );
+  }
+}
diff --git a/src/app/api/auth/signer/signed_key/route.ts b/src/app/api/auth/signer/signed_key/route.ts
new file mode 100644
index 0000000..d7a3df8
--- /dev/null
+++ b/src/app/api/auth/signer/signed_key/route.ts
@@ -0,0 +1,91 @@
+import { NextResponse } from 'next/server';
+import { getNeynarClient } from '~/lib/neynar';
+import { mnemonicToAccount } from 'viem/accounts';
+import {
+  SIGNED_KEY_REQUEST_TYPE,
+  SIGNED_KEY_REQUEST_VALIDATOR_EIP_712_DOMAIN,
+} from '~/lib/constants';
+
+const postRequiredFields = ['signerUuid', 'publicKey'];
+
+export async function POST(request: Request) {
+  const body = await request.json();
+
+  // Validate required fields
+  for (const field of postRequiredFields) {
+    if (!body[field]) {
+      return NextResponse.json(
+        { error: `${field} is required` },
+        { status: 400 }
+      );
+    }
+  }
+
+  const { signerUuid, publicKey, redirectUrl } = body;
+
+  if (redirectUrl && typeof redirectUrl !== 'string') {
+    return NextResponse.json(
+      { error: 'redirectUrl must be a string' },
+      { status: 400 }
+    );
+  }
+
+  try {
+    // Get the app's account from seed phrase
+    const seedPhrase = process.env.SEED_PHRASE;
+    const shouldSponsor = process.env.SPONSOR_SIGNER === 'true';
+
+    if (!seedPhrase) {
+      return NextResponse.json(
+        { error: 'App configuration missing (SEED_PHRASE or FID)' },
+        { status: 500 }
+      );
+    }
+
+    const neynarClient = getNeynarClient();
+
+    const account = mnemonicToAccount(seedPhrase);
+
+    const {
+      user: { fid },
+    } = await neynarClient.lookupUserByCustodyAddress({
+      custodyAddress: account.address,
+    });
+
+    const appFid = fid;
+
+    // Generate deadline (24 hours from now)
+    const deadline = Math.floor(Date.now() / 1000) + 86400;
+
+    // Generate EIP-712 signature
+    const signature = await account.signTypedData({
+      domain: SIGNED_KEY_REQUEST_VALIDATOR_EIP_712_DOMAIN,
+      types: {
+        SignedKeyRequest: SIGNED_KEY_REQUEST_TYPE,
+      },
+      primaryType: 'SignedKeyRequest',
+      message: {
+        requestFid: BigInt(appFid),
+        key: publicKey,
+        deadline: BigInt(deadline),
+      },
+    });
+
+    const signer = await neynarClient.registerSignedKey({
+      appFid,
+      deadline,
+      signature,
+      signerUuid,
+      ...(redirectUrl && { redirectUrl }),
+      ...(shouldSponsor && { sponsor: { sponsored_by_neynar: true } }),
+    });
+
+    return NextResponse.json(signer);
+  } catch (error) {
+    console.error('Error registering signed key:', error);
+    return NextResponse.json(
+      { error: 'Failed to register signed key' },
+      { status: 500 }
+    );
+  }
+}
diff --git a/src/app/api/auth/signers/route.ts b/src/app/api/auth/signers/route.ts
new file mode 100644
index 0000000..1c89acf
--- /dev/null
+++ b/src/app/api/auth/signers/route.ts
@@ -0,0 +1,38 @@
+import { NextResponse } from 'next/server';
+import { getNeynarClient } from '~/lib/neynar';
+
+const requiredParams = ['message', 'signature'];
+
+export async function GET(request: Request) {
+  const { searchParams } = new URL(request.url);
+  const params: Record<string, string | null> = {};
+  for (const param of requiredParams) {
+    params[param] = searchParams.get(param);
+    if (!params[param]) {
+      return NextResponse.json(
+        {
+          error: `${param} parameter is required`,
+        },
+        { status: 400 }
+      );
+    }
+  }
+
+  const message = params.message as string;
+  const signature = params.signature as string;
+
+  try {
+    const client = getNeynarClient();
+    const data = await client.fetchSigners({ message, signature });
+    const signers = data.signers;
+    return NextResponse.json({
+      signers,
+    });
+  } catch (error) {
+    console.error('Error fetching signers:', error);
+    return NextResponse.json(
+      { error: 'Failed to fetch signers' },
+      { status: 500 }
+    );
+  }
+}
diff --git a/src/app/api/auth/update-session/route.ts b/src/app/api/auth/update-session/route.ts
new file mode 100644
index 0000000..db4b4fc
--- /dev/null
+++ b/src/app/api/auth/update-session/route.ts
@@ -0,0 +1,46 @@
+import { NextResponse } from 'next/server';
+import { getServerSession } from 'next-auth';
+import { authOptions } from '~/auth';
+
+export async function POST(request: Request) {
+  try {
+    const session = await getServerSession(authOptions);
+
+    if (!session?.user?.fid) {
+      return NextResponse.json(
+        { error: 'No authenticated session found' },
+        { status: 401 }
+      );
+    }
+
+    const body = await request.json();
+    const { signers, user } = body;
+
+    if (!signers || !user) {
+      return NextResponse.json(
+        { error: 'Signers and user are required' },
+        { status: 400 }
+      );
+    }
+
+    // For NextAuth to update the session, we need to trigger the JWT callback
+    // This is typically done by calling the session endpoint with updated data
+    // However, we can't directly modify the session token from here
+
+    // Instead, we'll store the data temporarily and let the client refresh the session
+    // The session will be updated when the JWT callback is triggered
+
+    return NextResponse.json({
+      success: true,
+      message: 'Session update prepared',
+      signers,
+      user,
+    });
+  } catch (error) {
+    console.error('Error preparing session update:', error);
+    return NextResponse.json(
+      { error: 'Failed to prepare session update' },
+      { status: 500 }
+    );
+  }
+}
diff --git a/src/app/providers.tsx b/src/app/providers.tsx
index 959cf90..90584eb 100644
--- a/src/app/providers.tsx
+++ b/src/app/providers.tsx
@@ -1,27 +1,38 @@
-"use client";
+'use client';
 
-import dynamic from "next/dynamic";
-import type { Session } from "next-auth";
-import { SessionProvider } from "next-auth/react";
-import { MiniAppProvider } from "@neynar/react";
-import { SafeFarcasterSolanaProvider } from "~/components/providers/SafeFarcasterSolanaProvider";
-import { ANALYTICS_ENABLED } from "~/lib/constants";
+import dynamic from 'next/dynamic';
+import type { Session } from 'next-auth';
+import { SessionProvider } from 'next-auth/react';
+import { MiniAppProvider } from '@neynar/react';
+import { SafeFarcasterSolanaProvider } from '~/components/providers/SafeFarcasterSolanaProvider';
+import { ANALYTICS_ENABLED } from '~/lib/constants';
+import { AuthKitProvider } from '@farcaster/auth-kit';
 
 const WagmiProvider = dynamic(
-  () => import("~/components/providers/WagmiProvider"),
+  () => import('~/components/providers/WagmiProvider'),
   {
     ssr: false,
   }
 );
 
-export function Providers({ session, children }: { session: Session | null, children: React.ReactNode }) {
-  const solanaEndpoint = process.env.SOLANA_RPC_ENDPOINT || "https://solana-rpc.publicnode.com";
+export function Providers({
+  session,
+  children,
+}: {
+  session: Session | null;
+  children: React.ReactNode;
+}) {
+  const solanaEndpoint =
+    process.env.SOLANA_RPC_ENDPOINT || 'https://solana-rpc.publicnode.com';
   return (
     <SessionProvider session={session}>
       <WagmiProvider>
-        <MiniAppProvider analyticsEnabled={ANALYTICS_ENABLED} backButtonEnabled={true}>
+        <MiniAppProvider
+          analyticsEnabled={ANALYTICS_ENABLED}
+          backButtonEnabled={true}
+        >
           <SafeFarcasterSolanaProvider endpoint={solanaEndpoint}>
-            {children}
+            <AuthKitProvider config={{}}>{children}</AuthKitProvider>
           </SafeFarcasterSolanaProvider>
         </MiniAppProvider>
       </WagmiProvider>
diff --git a/src/auth.ts b/src/auth.ts
index 8c39468..c3345fb 100644
--- a/src/auth.ts
+++ b/src/auth.ts
@@ -1,11 +1,200 @@
-import { AuthOptions, getServerSession } from "next-auth"
-import CredentialsProvider from "next-auth/providers/credentials";
-import { createAppClient, viemConnector } from "@farcaster/auth-client";
+import { AuthOptions, getServerSession } from 'next-auth';
+import CredentialsProvider from 'next-auth/providers/credentials';
+import { createAppClient, viemConnector } from '@farcaster/auth-client';
 
-declare module "next-auth" {
+declare module 'next-auth' {
   interface Session {
-    user: {
+    provider?: string;
+    user?: {
       fid: number;
+      object?: 'user';
+      username?: string;
+      display_name?: string;
+      pfp_url?: string;
+      custody_address?: string;
+      profile?: {
+        bio: {
+          text: string;
+          mentioned_profiles?: Array<{
+            object: 'user_dehydrated';
+            fid: number;
+            username: string;
+            display_name: string;
+            pfp_url: string;
+            custody_address: string;
+          }>;
+          mentioned_profiles_ranges?: Array<{
+            start: number;
+            end: number;
+          }>;
+        };
+        location?: {
+          latitude: number;
+          longitude: number;
+          address: {
+            city: string;
+            state: string;
+            country: string;
+            country_code: string;
+          };
+        };
+      };
+      follower_count?: number;
+      following_count?: number;
+      verifications?: string[];
+      verified_addresses?: {
+        eth_addresses: string[];
+        sol_addresses: string[];
+        primary: {
+          eth_address: string;
+          sol_address: string;
+        };
+      };
+      verified_accounts?: Array<Record<string, unknown>>;
+      power_badge?: boolean;
+      url?: string;
+      experimental?: {
+        neynar_user_score: number;
+        deprecation_notice: string;
+      };
+      score?: number;
+    };
+    signers?: {
+      object: 'signer';
+      signer_uuid: string;
+      public_key: string;
+      status: 'approved';
+      fid: number;
+    }[];
+  }
+
+  interface User {
+    provider?: string;
+    signers?: Array<{
+      object: 'signer';
+      signer_uuid: string;
+      public_key: string;
+      status: 'approved';
+      fid: number;
+    }>;
+    user?: {
+      object: 'user';
+      fid: number;
+      username: string;
+      display_name: string;
+      pfp_url: string;
+      custody_address: string;
+      profile: {
+        bio: {
+          text: string;
+          mentioned_profiles?: Array<{
+            object: 'user_dehydrated';
+            fid: number;
+            username: string;
+            display_name: string;
+            pfp_url: string;
+            custody_address: string;
+          }>;
+          mentioned_profiles_ranges?: Array<{
+            start: number;
+            end: number;
+          }>;
+        };
+        location?: {
+          latitude: number;
+          longitude: number;
+          address: {
+            city: string;
+            state: string;
+            country: string;
+            country_code: string;
+          };
+        };
+      };
+      follower_count: number;
+      following_count: number;
+      verifications: string[];
+      verified_addresses: {
+        eth_addresses: string[];
+        sol_addresses: string[];
+        primary: {
+          eth_address: string;
+          sol_address: string;
+        };
+      };
+      verified_accounts: Array<Record<string, unknown>>;
+      power_badge: boolean;
+      url?: string;
+      experimental?: {
+        neynar_user_score: number;
+        deprecation_notice: string;
+      };
+      score: number;
+    };
+  }
+
+  interface JWT {
+    provider?: string;
+    signers?: Array<{
+      object: 'signer';
+      signer_uuid: string;
+      public_key: string;
+      status: 'approved';
+      fid: number;
+    }>;
+    user?: {
+      object: 'user';
+      fid: number;
+      username: string;
+      display_name: string;
+      pfp_url: string;
+      custody_address: string;
+      profile: {
+        bio: {
+          text: string;
+          mentioned_profiles?: Array<{
+            object: 'user_dehydrated';
+            fid: number;
+            username: string;
+            display_name: string;
+            pfp_url: string;
+            custody_address: string;
+          }>;
+          mentioned_profiles_ranges?: Array<{
+            start: number;
+            end: number;
+          }>;
+        };
+        location?: {
+          latitude: number;
+          longitude: number;
+          address: {
+            city: string;
+            state: string;
+            country: string;
+            country_code: string;
+          };
+        };
+      };
+      follower_count: number;
+      following_count: number;
+      verifications: string[];
+      verified_addresses: {
+        eth_addresses: string[];
+        sol_addresses: string[];
+        primary: {
+          eth_address: string;
+          sol_address: string;
+        };
+      };
+      verified_accounts?: Array<Record<string, unknown>>;
+      power_badge?: boolean;
+      url?: string;
+      experimental?: {
+        neynar_user_score: number;
+        deprecation_notice: string;
+      };
+      score?: number;
     };
   }
 }
@@ -26,43 +215,49 @@ function getDomainFromUrl(urlString: string | undefined): string {
 }
 
 export const authOptions: AuthOptions = {
-    // Configure one or more authentication providers
+  // Configure one or more authentication providers
   providers: [
     CredentialsProvider({
-      name: "Sign in with Farcaster",
+      id: 'farcaster',
+      name: 'Sign in with Farcaster',
       credentials: {
         message: {
-          label: "Message",
-          type: "text",
-          placeholder: "0x0",
+          label: 'Message',
+          type: 'text',
+          placeholder: '0x0',
         },
         signature: {
-          label: "Signature",
-          type: "text",
-          placeholder: "0x0",
+          label: 'Signature',
+          type: 'text',
+          placeholder: '0x0',
+        },
+        nonce: {
+          label: 'Nonce',
+          type: 'text',
+          placeholder: 'Custom nonce (optional)',
         },
         // In a production app with a server, these should be fetched from
         // your Farcaster data indexer rather than have them accepted as part
         // of credentials.
         // question: should these natively use the Neynar API?
         name: {
-          label: "Name",
-          type: "text",
-          placeholder: "0x0",
+          label: 'Name',
+          type: 'text',
+          placeholder: '0x0',
         },
         pfp: {
-          label: "Pfp",
-          type: "text",
-          placeholder: "0x0",
+          label: 'Pfp',
+          type: 'text',
+          placeholder: '0x0',
         },
       },
       async authorize(credentials, req) {
-        const csrfToken = req?.body?.csrfToken;
-        if (!csrfToken) {
-          console.error('CSRF token is missing from request');
+        const nonce = req?.body?.csrfToken;
+
+        if (!nonce) {
+          console.error('No nonce or CSRF token provided');
           return null;
         }
-
         const appClient = createAppClient({
           ethereum: viemConnector(),
         });
@@ -73,8 +268,9 @@ export const authOptions: AuthOptions = {
           message: credentials?.message as string,
           signature: credentials?.signature as `0x${string}`,
           domain,
-          nonce: csrfToken,
+          nonce,
         });
+
         const { success, fid } = verifyResponse;
 
         if (!success) {
@@ -83,47 +279,155 @@ export const authOptions: AuthOptions = {
 
         return {
           id: fid.toString(),
+          name: credentials?.name || `User ${fid}`,
+          image: credentials?.pfp || null,
+          provider: 'farcaster',
         };
       },
     }),
+    CredentialsProvider({
+      id: 'neynar',
+      name: 'Sign in with Neynar',
+      credentials: {
+        message: {
+          label: 'Message',
+          type: 'text',
+          placeholder: '0x0',
+        },
+        signature: {
+          label: 'Signature',
+          type: 'text',
+          placeholder: '0x0',
+        },
+        nonce: {
+          label: 'Nonce',
+          type: 'text',
+          placeholder: 'Custom nonce (optional)',
+        },
+        fid: {
+          label: 'FID',
+          type: 'text',
+          placeholder: '0',
+        },
+        signers: {
+          label: 'Signers',
+          type: 'text',
+          placeholder: 'JSON string of signers',
+        },
+        user: {
+          label: 'User Data',
+          type: 'text',
+          placeholder: 'JSON string of user data',
+        },
+      },
+      async authorize(credentials) {
+        const nonce = credentials?.nonce;
+
+        if (!nonce) {
+          console.error('No nonce or CSRF token provided for Neynar auth');
+          return null;
+        }
+
+        // For Neynar, we can use a different validation approach
+        // This could involve validating against Neynar's API or using their SDK
+        try {
+          // Validate the signature using Farcaster's auth client (same as Farcaster provider)
+          const appClient = createAppClient({
+            ethereum: viemConnector(),
+          });
+
+          const domain = getDomainFromUrl(process.env.NEXTAUTH_URL);
+
+          const verifyResponse = await appClient.verifySignInMessage({
+            message: credentials?.message as string,
+            signature: credentials?.signature as `0x${string}`,
+            domain,
+            nonce,
+          });
+
+          const { success, fid } = verifyResponse;
+
+          if (!success) {
+            return null;
+          }
+
+          // Validate that the provided FID matches the verified FID
+          if (credentials?.fid && parseInt(credentials.fid) !== fid) {
+            console.error('FID mismatch in Neynar auth');
+            return null;
+          }
+
+          return {
+            id: fid.toString(),
+            provider: 'neynar',
+            signers: credentials?.signers
+              ? JSON.parse(credentials.signers)
+              : undefined,
+            user: credentials?.user ? JSON.parse(credentials.user) : undefined,
+          };
+        } catch (error) {
+          console.error('Error in Neynar auth:', error);
+          return null;
+        }
+      },
+    }),
   ],
   callbacks: {
     session: async ({ session, token }) => {
-      if (session?.user) {
-        session.user.fid = parseInt(token.sub ?? '');
+      // Set provider at the root level
+      session.provider = token.provider as string;
+
+      if (token.provider === 'farcaster') {
+        // For Farcaster, simple structure
+        session.user = {
+          fid: parseInt(token.sub ?? ''),
+        };
+      } else if (token.provider === 'neynar') {
+        // For Neynar, use full user data structure from user
+        session.user = token.user as typeof session.user;
+        session.signers = token.signers as typeof session.signers;
       }
+
       return session;
     },
+    jwt: async ({ token, user }) => {
+      if (user) {
+        token.provider = user.provider;
+        token.signers = user.signers;
+        token.user = user.user;
+      }
+      return token;
+    },
   },
   cookies: {
     sessionToken: {
       name: `next-auth.session-token`,
       options: {
         httpOnly: true,
-        sameSite: "none",
-        path: "/",
-        secure: true
-      }
+        sameSite: 'none',
+        path: '/',
+        secure: true,
+      },
     },
     callbackUrl: {
       name: `next-auth.callback-url`,
       options: {
-        sameSite: "none",
-        path: "/",
-        secure: true
-      }
+        sameSite: 'none',
+        path: '/',
+        secure: true,
+      },
     },
     csrfToken: {
       name: `next-auth.csrf-token`,
       options: {
         httpOnly: true,
-        sameSite: "none",
-        path: "/",
-        secure: true
-      }
-    }
-  }
-}
+        sameSite: 'none',
+        path: '/',
+        secure: true,
+      },
+    },
+  },
+};
 
 export const getSession = async () => {
   try {
@@ -132,4 +436,4 @@ export const getSession = async () => {
     console.error('Error getting server session:', error);
     return null;
   }
-}
+};
diff --git a/src/components/ui/NeynarAuthButton/AuthDialog.tsx b/src/components/ui/NeynarAuthButton/AuthDialog.tsx
new file mode 100644
index 0000000..a458ab4
--- /dev/null
+++ b/src/components/ui/NeynarAuthButton/AuthDialog.tsx
@@ -0,0 +1,221 @@
+'use client';
+
+export function AuthDialog({
+  open,
+  onClose,
+  url,
+  isError,
+  error,
+  step,
+  isLoading,
+  signerApprovalUrl,
+}: {
+  open: boolean;
+  onClose: () => void;
+  url?: string;
+  isError: boolean;
+  error?: Error | null;
+  step: 'signin' | 'access' | 'loading';
+  isLoading?: boolean;
+  signerApprovalUrl?: string | null;
+}) {
+  if (!open) return null;
+
+  const getStepContent = () => {
+    switch (step) {
+      case 'signin':
+        return {
+          title: 'Sign in',
+          description:
+            "To sign in, scan the code below with your phone's camera.",
+          showQR: true,
+          qrUrl: url,
+          showOpenButton: true,
+        };
+
+      case 'loading':
+        return {
+          title: 'Setting up access...',
+          description:
+            'Checking your account permissions and setting up secure access.',
+          showQR: false,
+          qrUrl: '',
+          showOpenButton: false,
+        };
+
+      case 'access':
+        return {
+          title: 'Grant Access',
+          description: (
+            <div className="space-y-3">
+              <p className="text-gray-600 dark:text-gray-400">
+                Allow this app to access your Farcaster account:
+              </p>
+              <div className="space-y-2 text-sm">
+                <div className="flex items-center gap-3 p-3 bg-gray-50 dark:bg-gray-700 rounded-lg">
+                  <div className="w-6 h-6 bg-green-100 dark:bg-green-900 rounded-full flex items-center justify-center">
+                    <svg
+                      className="w-3 h-3 text-green-600 dark:text-green-400"
+                      fill="currentColor"
+                      viewBox="0 0 20 20"
+                    >
+                      <path
+                        fillRule="evenodd"
+                        d="M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z"
+                        clipRule="evenodd"
+                      />
+                    </svg>
+                  </div>
+                  <div>
+                    <div className="font-medium text-gray-900 dark:text-gray-100">
+                      Read Access
+                    </div>
+                    <div className="text-gray-500 dark:text-gray-400">
+                      View your profile and public information
+                    </div>
+                  </div>
+                </div>
+                <div className="flex items-center gap-3 p-3 bg-gray-50 dark:bg-gray-700 rounded-lg">
+                  <div className="w-6 h-6 bg-blue-100 dark:bg-blue-900 rounded-full flex items-center justify-center">
+                    <svg
+                      className="w-3 h-3 text-blue-600 dark:text-blue-400"
+                      fill="currentColor"
+                      viewBox="0 0 20 20"
+                    >
+                      <path d="M13.586 3.586a2 2 0 112.828 2.828l-.793.793-2.828-2.828.793-.793zM11.379 5.793L3 14.172V17h2.828l8.38-8.379-2.83-2.828z" />
+                    </svg>
+                  </div>
+                  <div>
+                    <div className="font-medium text-gray-900 dark:text-gray-100">
+                      Write Access
+                    </div>
+                    <div className="text-gray-500 dark:text-gray-400">
+                      Post casts, likes, and update your profile
+                    </div>
+                  </div>
+                </div>
+              </div>
+            </div>
+          ),
+          // Show QR code if we have signer approval URL, otherwise show loading
+          showQR: !!signerApprovalUrl,
+          qrUrl: signerApprovalUrl || '',
+          showOpenButton: !!signerApprovalUrl,
+        };
+
+      default:
+        return {
+          title: 'Sign in',
+          description:
+            "To signin, scan the code below with your phone's camera.",
+          showQR: true,
+          qrUrl: url,
+          showOpenButton: true,
+        };
+    }
+  };
+
+  const content = getStepContent();
+
+  return (
+    <div className="fixed inset-0 z-50 flex items-center justify-center bg-black/50 backdrop-blur-sm p-4">
+      <div className="bg-white dark:bg-gray-800 rounded-xl w-full max-w-md shadow-2xl border border-gray-200 dark:border-gray-700 max-h-[80vh] sm:max-h-[90vh] flex flex-col">
+        <div className="flex justify-between items-center p-4 sm:p-6 pb-3 sm:pb-4 border-b border-gray-200 dark:border-gray-700 flex-shrink-0">
+          <h2 className="text-lg font-semibold text-gray-900 dark:text-gray-100">
+            {isError ? 'Error' : content.title}
+          </h2>
+          <button
+            onClick={onClose}
+            className="text-gray-400 hover:text-gray-600 dark:hover:text-gray-300 transition-colors"
+          >
+            <svg
+              className="w-6 h-6"
+              fill="none"
+              stroke="currentColor"
+              viewBox="0 0 24 24"
+            >
+              <path
+                strokeLinecap="round"
+                strokeLinejoin="round"
+                strokeWidth={2}
+                d="M6 18L18 6M6 6l12 12"
+              />
+            </svg>
+          </button>
+        </div>
+
+        <div className="flex-1 overflow-y-auto p-4 sm:p-6 pt-3 sm:pt-4 min-h-0">
+          {isError ? (
+            <div className="text-center">
+              <div className="text-red-600 dark:text-red-400 mb-4">
+                {error?.message || 'Unknown error, please try again.'}
+              </div>
+            </div>
+          ) : (
+            <div className="text-center">
+              <div className="mb-6">
+                {typeof content.description === 'string' ? (
+                  <p className="text-gray-600 dark:text-gray-400">
+                    {content.description}
+                  </p>
+                ) : (
+                  content.description
+                )}
+              </div>
+
+              <div className="mb-6 flex justify-center">
+                {content.showQR && content.qrUrl ? (
+                  <div className="p-4 bg-white rounded-lg">
+                    {/* eslint-disable-next-line @next/next/no-img-element */}
+                    <img
+                      src={`https://api.qrserver.com/v1/create-qr-code/?size=200x200&data=${encodeURIComponent(
+                        content.qrUrl
+                      )}`}
+                      alt="QR Code"
+                      className="w-48 h-48"
+                    />
+                  </div>
+                ) : step === 'loading' || isLoading ? (
+                  <div className="w-48 h-48 flex items-center justify-center bg-gray-50 dark:bg-gray-700 rounded-lg">
+                    <div className="flex flex-col items-center gap-3">
+                      <div className="spinner w-8 h-8" />
+                      <span className="text-sm text-gray-500 dark:text-gray-400">
+                        {step === 'loading'
+                          ? 'Setting up access...'
+                          : 'Loading...'}
+                      </span>
+                    </div>
+                  </div>
+                ) : null}
+              </div>
+
+              {content.showOpenButton && content.qrUrl && (
+                <button
+                  onClick={() => {
+                    if (content.qrUrl) {
+                      window.open(
+                        content.qrUrl
+                          .replace(
+                            'https://farcaster.xyz/',
+                            'https://client.farcaster.xyz/deeplinks/'
+                          )
+                          .replace(
+                            'https://client.farcaster.xyz/deeplinks/signed-key-request',
+                            'https://farcaster.xyz/~/connect'
+                          ),
+                        '_blank'
+                      )
+                    }
+                  }}
+                  className="btn btn-outline flex items-center justify-center gap-2 w-full"
+                >
+                  I&apos;m using my phone →
+                </button>
+              )}
+            </div>
+          )}
+        </div>
+      </div>
+    </div>
+  );
+}
diff --git a/src/components/ui/NeynarAuthButton/ProfileButton.tsx b/src/components/ui/NeynarAuthButton/ProfileButton.tsx
new file mode 100644
index 0000000..bcf1ca7
--- /dev/null
+++ b/src/components/ui/NeynarAuthButton/ProfileButton.tsx
@@ -0,0 +1,92 @@
+'use client';
+
+import { useRef, useState } from 'react';
+import { useDetectClickOutside } from '~/hooks/useDetectClickOutside';
+import { cn } from '~/lib/utils';
+
+export function ProfileButton({
+  userData,
+  onSignOut,
+}: {
+  userData?: { fid?: number; pfpUrl?: string; username?: string };
+  onSignOut: () => void;
+}) {
+  const [showDropdown, setShowDropdown] = useState(false);
+  const ref = useRef<HTMLDivElement>(null);
+
+  useDetectClickOutside(ref, () => setShowDropdown(false));
+
+  const name = userData?.username ?? `!${userData?.fid}`;
+  const pfpUrl = userData?.pfpUrl ?? 'https://farcaster.xyz/avatar.png';
+
+  return (
+    <div className="relative" ref={ref}>
+      <button
+        onClick={() => setShowDropdown(!showDropdown)}
+        className={cn(
+          'flex items-center gap-3 px-4 py-2 min-w-0 rounded-lg',
+          'bg-transparent border border-gray-300 dark:border-gray-600 text-gray-900 dark:text-gray-100',
+          'hover:bg-gray-100 dark:hover:bg-gray-700 transition-colors',
+          'focus:outline-none focus:ring-1 focus:ring-primary'
+        )}
+      >
+        {/* eslint-disable-next-line @next/next/no-img-element */}
+        <img
+          src={pfpUrl}
+          alt="Profile"
+          className="w-6 h-6 rounded-full object-cover flex-shrink-0"
+          onError={(e) => {
+            (e.target as HTMLImageElement).src =
+              'https://farcaster.xyz/avatar.png';
+          }}
+        />
+        <span className="text-sm font-medium truncate max-w-[120px]">
+          {name ? name : '...'}
+        </span>
+        <svg
+          className={cn(
+            'w-4 h-4 transition-transform flex-shrink-0',
+            showDropdown && 'rotate-180'
+          )}
+          fill="none"
+          stroke="currentColor"
+          viewBox="0 0 24 24"
+        >
+          <path
+            strokeLinecap="round"
+            strokeLinejoin="round"
+            strokeWidth={2}
+            d="M19 9l-7 7-7-7"
+          />
+        </svg>
+      </button>
+
+      {showDropdown && (
+        <div className="absolute top-full right-0 left-0 mt-1 w-48 bg-white dark:bg-gray-800 rounded-lg shadow-lg border border-gray-200 dark:border-gray-700 z-50">
+          <button
+            onClick={() => {
+              onSignOut();
+              setShowDropdown(false);
+            }}
+            className="w-full px-4 py-3 text-left text-sm text-gray-700 dark:text-gray-300 hover:bg-gray-50 dark:hover:bg-gray-700 flex items-center gap-3 rounded-lg transition-colors"
+          >
+            <svg
+              className="w-4 h-4"
+              fill="none"
+              stroke="currentColor"
+              viewBox="0 0 24 24"
+            >
+              <path
+                strokeLinecap="round"
+                strokeLinejoin="round"
+                strokeWidth={1.5}
+                d="M17 16l4-4m0 0l-4-4m4 4H7m6 4v1a3 3 0 01-3 3H6a3 3 0 01-3-3V7a3 3 0 013-3h4a3 3 0 013 3v1"
+              />
+            </svg>
+            Sign out
+          </button>
+        </div>
+      )}
+    </div>
+  );
+}
diff --git a/src/components/ui/NeynarAuthButton/index.tsx b/src/components/ui/NeynarAuthButton/index.tsx
new file mode 100644
index 0000000..8d96711
--- /dev/null
+++ b/src/components/ui/NeynarAuthButton/index.tsx
@@ -0,0 +1,705 @@
+'use client';
+
+import '@farcaster/auth-kit/styles.css';
+import { useSignIn, UseSignInData } from '@farcaster/auth-kit';
+import { useCallback, useEffect, useState, useRef } from 'react';
+import { cn } from '~/lib/utils';
+import { Button } from '~/components/ui/Button';
+import { ProfileButton } from '~/components/ui/NeynarAuthButton/ProfileButton';
+import { AuthDialog } from '~/components/ui/NeynarAuthButton/AuthDialog';
+import { getItem, removeItem, setItem } from '~/lib/localStorage';
+import { useMiniApp } from '@neynar/react';
+import {
+  signIn as backendSignIn,
+  signOut as backendSignOut,
+  useSession,
+} from 'next-auth/react';
+import sdk, { SignIn as SignInCore } from '@farcaster/frame-sdk';
+
+type User = {
+  fid: number;
+  username: string;
+  display_name: string;
+  pfp_url: string;
+  // Add other user properties as needed
+};
+
+const STORAGE_KEY = 'neynar_authenticated_user';
+const FARCASTER_FID = 9152;
+
+interface StoredAuthState {
+  isAuthenticated: boolean;
+  user: {
+    object: 'user';
+    fid: number;
+    username: string;
+    display_name: string;
+    pfp_url: string;
+    custody_address: string;
+    profile: {
+      bio: {
+        text: string;
+        mentioned_profiles?: Array<{
+          object: 'user_dehydrated';
+          fid: number;
+          username: string;
+          display_name: string;
+          pfp_url: string;
+          custody_address: string;
+        }>;
+        mentioned_profiles_ranges?: Array<{
+          start: number;
+          end: number;
+        }>;
+      };
+      location?: {
+        latitude: number;
+        longitude: number;
+        address: {
+          city: string;
+          state: string;
+          country: string;
+          country_code: string;
+        };
+      };
+    };
+    follower_count: number;
+    following_count: number;
+    verifications: string[];
+    verified_addresses: {
+      eth_addresses: string[];
+      sol_addresses: string[];
+      primary: {
+        eth_address: string;
+        sol_address: string;
+      };
+    };
+    verified_accounts: Array<Record<string, unknown>>;
+    power_badge: boolean;
+    url?: string;
+    experimental?: {
+      neynar_user_score: number;
+      deprecation_notice: string;
+    };
+    score: number;
+  } | null;
+  signers: {
+    object: 'signer';
+    signer_uuid: string;
+    public_key: string;
+    status: 'approved';
+    fid: number;
+  }[];
+}
+
+// Main Custom SignInButton Component
+export function NeynarAuthButton() {
+  const [nonce, setNonce] = useState<string | null>(null);
+  const [storedAuth, setStoredAuth] = useState<StoredAuthState | null>(null);
+  const [signersLoading, setSignersLoading] = useState(false);
+  const { context } = useMiniApp();
+  const { data: session } = useSession();
+  // New state for unified dialog flow
+  const [showDialog, setShowDialog] = useState(false);
+  const [dialogStep, setDialogStep] = useState<'signin' | 'access' | 'loading'>(
+    'loading'
+  );
+  const [signerApprovalUrl, setSignerApprovalUrl] = useState<string | null>(
+    null
+  );
+  const [pollingInterval, setPollingInterval] = useState<NodeJS.Timeout | null>(
+    null
+  );
+  const [message, setMessage] = useState<string | null>(null);
+  const [signature, setSignature] = useState<string | null>(null);
+  const [isSignerFlowRunning, setIsSignerFlowRunning] = useState(false);
+  const signerFlowStartedRef = useRef(false);
+
+  // Determine which flow to use based on context
+  const useBackendFlow = context !== undefined;
+
+  // Helper function to create a signer
+  const createSigner = useCallback(async () => {
+    try {
+      const response = await fetch('/api/auth/signer', {
+        method: 'POST',
+      });
+
+      if (!response.ok) {
+        throw new Error('Failed to create signer');
+      }
+
+      const signerData = await response.json();
+      return signerData;
+    } catch (error) {
+      console.error('❌ Error creating signer:', error);
+      // throw error;
+    }
+  }, []);
+
+  // Helper function to update session with signers (backend flow only)
+  const updateSessionWithSigners = useCallback(
+    async (
+      signers: StoredAuthState['signers'],
+      user: StoredAuthState['user']
+    ) => {
+      if (!useBackendFlow) return;
+
+      try {
+        // For backend flow, we need to sign in again with the additional data
+        if (message && signature) {
+          const signInData = {
+            message,
+            signature,
+            redirect: false,
+            nonce: nonce || '',
+            fid: user?.fid?.toString() || '',
+            signers: JSON.stringify(signers),
+            user: JSON.stringify(user),
+          };
+
+          await backendSignIn('neynar', signInData);
+        }
+      } catch (error) {
+        console.error('❌ Error updating session with signers:', error);
+      }
+    },
+    [useBackendFlow, message, signature, nonce]
+  );
+
+  // Helper function to fetch user data from Neynar API
+  const fetchUserData = useCallback(
+    async (fid: number): Promise<User | null> => {
+      try {
+        const response = await fetch(`/api/users?fids=${fid}`);
+        if (response.ok) {
+          const data = await response.json();
+          return data.users?.[0] || null;
+        }
+        return null;
+      } catch (error) {
+        console.error('Error fetching user data:', error);
+        return null;
+      }
+    },
+    []
+  );
+
+  // Helper function to generate signed key request
+  const generateSignedKeyRequest = useCallback(
+    async (signerUuid: string, publicKey: string) => {
+      try {
+        // Prepare request body
+        const requestBody: {
+          signerUuid: string;
+          publicKey: string;
+          sponsor?: { sponsored_by_neynar: boolean };
+        } = {
+          signerUuid,
+          publicKey,
+        };
+
+        const response = await fetch('/api/auth/signer/signed_key', {
+          method: 'POST',
+          headers: {
+            'Content-Type': 'application/json',
+          },
+          body: JSON.stringify(requestBody),
+        });
+
+        if (!response.ok) {
+          const errorData = await response.json();
+          throw new Error(
+            `Failed to generate signed key request: ${errorData.error}`
+          );
+        }
+
+        const data = await response.json();
+
+        return data;
+      } catch (error) {
+        console.error('❌ Error generating signed key request:', error);
+        // throw error;
+      }
+    },
+    []
+  );
+
+  // Helper function to fetch all signers
+  const fetchAllSigners = useCallback(
+    async (message: string, signature: string) => {
+      try {
+        setSignersLoading(true);
+
+        const endpoint = useBackendFlow
+          ? `/api/auth/session-signers?message=${encodeURIComponent(
+              message
+            )}&signature=${signature}`
+          : `/api/auth/signers?message=${encodeURIComponent(
+              message
+            )}&signature=${signature}`;
+
+        const response = await fetch(endpoint);
+        const signerData = await response.json();
+
+        if (response.ok) {
+          if (useBackendFlow) {
+            // For backend flow, update session with signers
+            if (signerData.signers && signerData.signers.length > 0) {
+              const user =
+                signerData.user ||
+                (await fetchUserData(signerData.signers[0].fid));
+              await updateSessionWithSigners(signerData.signers, user);
+            }
+            return signerData.signers;
+          } else {
+            // For frontend flow, store in localStorage
+            let user: StoredAuthState['user'] | null = null;
+
+            if (signerData.signers && signerData.signers.length > 0) {
+              const fetchedUser = (await fetchUserData(
+                signerData.signers[0].fid
+              )) as StoredAuthState['user'];
+              user = fetchedUser;
+            }
+
+            // Store signers in localStorage, preserving existing auth data
+            const updatedState: StoredAuthState = {
+              isAuthenticated: !!user,
+              signers: signerData.signers || [],
+              user,
+            };
+            setItem<StoredAuthState>(STORAGE_KEY, updatedState);
+            setStoredAuth(updatedState);
+
+            return signerData.signers;
+          }
+        } else {
+          console.error('❌ Failed to fetch signers');
+          // throw new Error('Failed to fetch signers');
+        }
+      } catch (error) {
+        console.error('❌ Error fetching signers:', error);
+        // throw error;
+      } finally {
+        setSignersLoading(false);
+      }
+    },
+    [useBackendFlow, fetchUserData, updateSessionWithSigners]
+  );
+
+  // Helper function to poll signer status
+  const startPolling = useCallback(
+    (signerUuid: string, message: string, signature: string) => {
+      // Clear any existing polling interval before starting a new one
+      if (pollingInterval) {
+        clearInterval(pollingInterval);
+      }
+
+      let retryCount = 0;
+      const maxRetries = 10; // Maximum 10 retries (20 seconds total)
+      const maxPollingTime = 60000; // Maximum 60 seconds of polling
+      const startTime = Date.now();
+
+      const interval = setInterval(async () => {
+        // Check if we've been polling too long
+        if (Date.now() - startTime > maxPollingTime) {
+          clearInterval(interval);
+          setPollingInterval(null);
+          return;
+        }
+        
+        try {
+          const response = await fetch(
+            `/api/auth/signer?signerUuid=${signerUuid}`
+          );
+
+          if (!response.ok) {
+            // Check if it's a rate limit error
+            if (response.status === 429) {
+              clearInterval(interval);
+              setPollingInterval(null);
+              return;
+            }
+            
+            // Increment retry count for other errors
+            retryCount++;
+            if (retryCount >= maxRetries) {
+              clearInterval(interval);
+              setPollingInterval(null);
+              return;
+            }
+            
+            throw new Error(`Failed to poll signer status: ${response.status}`);
+          }
+
+          const signerData = await response.json();
+
+          if (signerData.status === 'approved') {
+            clearInterval(interval);
+            setPollingInterval(null);
+            setShowDialog(false);
+            setDialogStep('signin');
+            setSignerApprovalUrl(null);
+
+            // Refetch all signers
+            await fetchAllSigners(message, signature);
+          }
+        } catch (error) {
+          console.error('❌ Error polling signer:', error);
+        }
+      }, 2000); // Poll every 2 second
+
+      setPollingInterval(interval);
+    },
+    [fetchAllSigners, pollingInterval]
+  );
+
+  // Cleanup polling on unmount
+  useEffect(() => {
+    return () => {
+      if (pollingInterval) {
+        clearInterval(pollingInterval);
+      }
+      signerFlowStartedRef.current = false;
+    };
+  }, [pollingInterval]);
+
+  // Generate nonce
+  useEffect(() => {
+    const generateNonce = async () => {
+      try {
+        const response = await fetch('/api/auth/nonce');
+        if (response.ok) {
+          const data = await response.json();
+          setNonce(data.nonce);
+        } else {
+          console.error('Failed to fetch nonce');
+        }
+      } catch (error) {
+        console.error('Error generating nonce:', error);
+      }
+    };
+
+    generateNonce();
+  }, []);
+
+  // Load stored auth state on mount (only for frontend flow)
+  useEffect(() => {
+    if (!useBackendFlow) {
+      const stored = getItem<StoredAuthState>(STORAGE_KEY);
+      if (stored && stored.isAuthenticated) {
+        setStoredAuth(stored);
+      }
+    }
+  }, [useBackendFlow]);
+
+  // Success callback - this is critical!
+  const onSuccessCallback = useCallback(
+    async (res: UseSignInData) => {
+      if (!useBackendFlow) {
+        // Only handle localStorage for frontend flow
+        const existingAuth = getItem<StoredAuthState>(STORAGE_KEY);
+        const user = res.fid ? await fetchUserData(res.fid) : null;
+        const authState: StoredAuthState = {
+          ...existingAuth,
+          isAuthenticated: true,
+          user: user as StoredAuthState['user'],
+          signers: existingAuth?.signers || [], // Preserve existing signers
+        };
+        setItem<StoredAuthState>(STORAGE_KEY, authState);
+        setStoredAuth(authState);
+      }
+      // For backend flow, the session will be handled by NextAuth
+    },
+    [useBackendFlow, fetchUserData]
+  );
+
+  // Error callback
+  const onErrorCallback = useCallback((error?: Error | null) => {
+    console.error('❌ Sign in error:', error);
+  }, []);
+
+  const signInState = useSignIn({
+    nonce: nonce || undefined,
+    onSuccess: onSuccessCallback,
+    onError: onErrorCallback,
+  });
+
+  const {
+    signIn: frontendSignIn,
+    signOut: frontendSignOut,
+    connect,
+    reconnect,
+    isSuccess,
+    isError,
+    error,
+    channelToken,
+    url,
+    data,
+    validSignature,
+  } = signInState;
+
+  useEffect(() => {
+    setMessage(data?.message || null);
+    setSignature(data?.signature || null);
+    
+    // Reset the signer flow flag when message/signature change
+    if (data?.message && data?.signature) {
+      signerFlowStartedRef.current = false;
+    }
+  }, [data?.message, data?.signature]);
+
+  // Connect for frontend flow when nonce is available
+  useEffect(() => {
+    if (!useBackendFlow && nonce && !channelToken) {
+      connect();
+    }
+  }, [useBackendFlow, nonce, channelToken, connect]);
+
+  // Handle fetching signers after successful authentication
+  useEffect(() => {
+    if (message && signature && !isSignerFlowRunning && !signerFlowStartedRef.current) {
+      signerFlowStartedRef.current = true;
+      
+      const handleSignerFlow = async () => {
+        setIsSignerFlowRunning(true);
+        try {
+          const clientContext = context?.client as Record<string, unknown>;
+          const isMobileContext =
+            clientContext?.platformType === 'mobile' &&
+            clientContext?.clientFid === FARCASTER_FID;
+
+          // Step 1: Change to loading state
+          setDialogStep('loading');
+
+          // Show dialog if not using backend flow or in browser farcaster
+          if ((useBackendFlow && !isMobileContext) || !useBackendFlow)
+            setShowDialog(true);
+
+          // First, fetch existing signers
+          const signers = await fetchAllSigners(message, signature);
+          
+          if (useBackendFlow && isMobileContext) setSignersLoading(true);
+
+          // Check if no signers exist or if we have empty signers
+          if (!signers || signers.length === 0) {
+            // Step 1: Create a signer
+            const newSigner = await createSigner();
+
+            // Step 2: Generate signed key request
+            const signedKeyData = await generateSignedKeyRequest(
+              newSigner.signer_uuid,
+              newSigner.public_key
+            );
+
+            // Step 3: Show QR code in access dialog for signer approval
+            setSignerApprovalUrl(signedKeyData.signer_approval_url);
+
+            if (isMobileContext) {
+              setShowDialog(false);
+              await sdk.actions.openUrl(
+                signedKeyData.signer_approval_url.replace(
+                  'https://client.farcaster.xyz/deeplinks/signed-key-request',
+                  'https://farcaster.xyz/~/connect'
+                )
+              );
+            } else {
+              setShowDialog(true); // Ensure dialog is shown during loading
+              setDialogStep('access');
+            }
+
+            // Step 4: Start polling for signer approval
+            startPolling(newSigner.signer_uuid, message, signature);
+          } else {
+            // If signers exist, close the dialog
+            setSignersLoading(false);
+            setShowDialog(false);
+            setDialogStep('signin');
+          }
+        } catch (error) {
+          console.error('❌ Error in signer flow:', error);
+          // On error, reset to signin step and hide dialog
+          setDialogStep('signin');
+          setSignersLoading(false);
+          setShowDialog(false);
+          setSignerApprovalUrl(null);
+        } finally {
+          setIsSignerFlowRunning(false);
+        }
+      };
+
+      handleSignerFlow();
+    }
+  }, [message, signature]); // Simplified dependencies
+
+  // Backend flow using NextAuth
+  const handleBackendSignIn = useCallback(async () => {
+    if (!nonce) {
+      console.error('❌ No nonce available for backend sign-in');
+      return;
+    }
+
+    try {
+      setSignersLoading(true);
+      const result = await sdk.actions.signIn({ nonce });
+
+      const signInData = {
+        message: result.message,
+        signature: result.signature,
+        redirect: false,
+        nonce: nonce,
+      };
+
+      const nextAuthResult = await backendSignIn('neynar', signInData);
+      if (nextAuthResult?.ok) {
+        setMessage(result.message);
+        setSignature(result.signature);
+      } else {
+        console.error('❌ NextAuth sign-in failed:', nextAuthResult);
+      }
+    } catch (e) {
+      if (e instanceof SignInCore.RejectedByUser) {
+        console.log('ℹ️ Sign-in rejected by user');
+      } else {
+        console.error('❌ Backend sign-in error:', e);
+      }
+    }
+  }, [nonce]);
+
+  const handleFrontEndSignIn = useCallback(() => {
+    if (isError) {
+      reconnect();
+    }
+    setDialogStep('signin');
+    setShowDialog(true);
+    frontendSignIn();
+  }, [isError, reconnect, frontendSignIn]);
+
+  const handleSignOut = useCallback(async () => {
+    try {
+      setSignersLoading(true);
+
+      if (useBackendFlow) {
+        // Only sign out from NextAuth if the current session is from Neynar provider
+        if (session?.provider === 'neynar') {
+          await backendSignOut({ redirect: false });
+        }
+      } else {
+        // Frontend flow sign out
+        frontendSignOut();
+        removeItem(STORAGE_KEY);
+        setStoredAuth(null);
+      }
+
+      // Common cleanup for both flows
+      setShowDialog(false);
+      setDialogStep('signin');
+      setSignerApprovalUrl(null);
+      setMessage(null);
+      setSignature(null);
+
+      // Reset polling interval
+      if (pollingInterval) {
+        clearInterval(pollingInterval);
+        setPollingInterval(null);
+      }
+      
+      // Reset signer flow flag
+      signerFlowStartedRef.current = false;
+    } catch (error) {
+      console.error('❌ Error during sign out:', error);
+      // Optionally handle error state
+    } finally {
+      setSignersLoading(false);
+    }
+  }, [useBackendFlow, frontendSignOut, pollingInterval, session]);
+
+  const authenticated = useBackendFlow
+    ? !!(
+        session?.provider === 'neynar' &&
+        session?.user?.fid &&
+        session?.signers &&
+        session.signers.length > 0
+      )
+    : ((isSuccess && validSignature) || storedAuth?.isAuthenticated) &&
+      !!(storedAuth?.signers && storedAuth.signers.length > 0);
+
+  const userData = useBackendFlow
+    ? {
+        fid: session?.user?.fid,
+        username: session?.user?.username || '',
+        pfpUrl: session?.user?.pfp_url || '',
+      }
+    : {
+        fid: storedAuth?.user?.fid,
+        username: storedAuth?.user?.username || '',
+        pfpUrl: storedAuth?.user?.pfp_url || '',
+      };
+
+  // Show loading state while nonce is being fetched or signers are loading
+  if (!nonce || signersLoading) {
+    return (
+      <div className="flex items-center justify-center">
+        <div className="flex items-center gap-3 px-4 py-2 bg-gray-100 dark:bg-gray-800 rounded-lg">
+          <div className="spinner w-4 h-4" />
+          <span className="text-sm text-gray-600 dark:text-gray-400">
+            Loading...
+          </span>
+        </div>
+      </div>
+    );
+  }
+
+  return (
+    <>
+      {authenticated ? (
+        <ProfileButton userData={userData} onSignOut={handleSignOut} />
+      ) : (
+        <Button
+          onClick={useBackendFlow ? handleBackendSignIn : handleFrontEndSignIn}
+          disabled={!useBackendFlow && !url}
+          className={cn(
+            'btn btn-primary flex items-center gap-3',
+            'disabled:opacity-50 disabled:cursor-not-allowed',
+            'transform transition-all duration-200 active:scale-[0.98]',
+            !url && !useBackendFlow && 'cursor-not-allowed'
+          )}
+        >
+          {!useBackendFlow && !url ? (
+            <>
+              <div className="spinner-primary w-5 h-5" />
+              <span>Initializing...</span>
+            </>
+          ) : (
+            <>
+              <span>Sign in with Neynar</span>
+            </>
+          )}
+        </Button>
+      )}
+
+      {/* Unified Auth Dialog */}
+      {
+        <AuthDialog
+          open={showDialog}
+          onClose={() => {
+            setShowDialog(false);
+            setDialogStep('signin');
+            setSignerApprovalUrl(null);
+            if (pollingInterval) {
+              clearInterval(pollingInterval);
+              setPollingInterval(null);
+            }
+          }}
+          url={url}
+          isError={isError}
+          error={error}
+          step={dialogStep}
+          isLoading={signersLoading}
+          signerApprovalUrl={signerApprovalUrl}
+        />
+      }
+    </>
+  );
+}
diff --git a/src/components/ui/tabs/ActionsTab.tsx b/src/components/ui/tabs/ActionsTab.tsx
index e7bd99f..4c345cc 100644
--- a/src/components/ui/tabs/ActionsTab.tsx
+++ b/src/components/ui/tabs/ActionsTab.tsx
@@ -1,4 +1,4 @@
-"use client";
+'use client';
 
 import { useCallback, useState } from "react";
 import { useMiniApp } from "@neynar/react";
@@ -7,10 +7,11 @@ import { Button } from "../Button";
 import { SignIn } from "../wallet/SignIn";
 import { type Haptics } from "@farcaster/miniapp-sdk";
 import { APP_URL } from "~/lib/constants";
+import { NeynarAuthButton } from '../NeynarAuthButton/index';
 
 /**
  * ActionsTab component handles mini app actions like sharing, notifications, and haptic feedback.
- * 
+ *
  * This component provides the main interaction interface for users to:
  * - Share the mini app with others
  * - Sign in with Farcaster
@@ -18,10 +19,10 @@ import { APP_URL } from "~/lib/constants";
  * - Trigger haptic feedback
  * - Add the mini app to their client
  * - Copy share URLs
- * 
+ *
  * The component uses the useMiniApp hook to access Farcaster context and actions.
  * All state is managed locally within this component.
- * 
+ *
  * @example
  * ```tsx
  * <ActionsTab />
@@ -29,63 +30,68 @@ import { APP_URL } from "~/lib/constants";
  */
 export function ActionsTab() {
   // --- Hooks ---
-  const {
-    actions,
-    added,
-    notificationDetails,
-    haptics,
-    context,
-  } = useMiniApp();
-  
+  const { actions, added, notificationDetails, haptics, context } =
+    useMiniApp();
+
   // --- State ---
   const [notificationState, setNotificationState] = useState({
-    sendStatus: "",
+    sendStatus: '',
     shareUrlCopied: false,
   });
-  const [selectedHapticIntensity, setSelectedHapticIntensity] = useState<Haptics.ImpactOccurredType>('medium');
+  const [selectedHapticIntensity, setSelectedHapticIntensity] =
+    useState<Haptics.ImpactOccurredType>('medium');
 
   // --- Handlers ---
   /**
    * Sends a notification to the current user's Farcaster account.
-   * 
+   *
    * This function makes a POST request to the /api/send-notification endpoint
    * with the user's FID and notification details. It handles different response
    * statuses including success (200), rate limiting (429), and errors.
-   * 
+   *
    * @returns Promise that resolves when the notification is sent or fails
    */
   const sendFarcasterNotification = useCallback(async () => {
-    setNotificationState((prev) => ({ ...prev, sendStatus: "" }));
+    setNotificationState((prev) => ({ ...prev, sendStatus: '' }));
     if (!notificationDetails || !context) {
       return;
     }
     try {
-      const response = await fetch("/api/send-notification", {
-        method: "POST",
-        mode: "same-origin",
-        headers: { "Content-Type": "application/json" },
+      const response = await fetch('/api/send-notification', {
+        method: 'POST',
+        mode: 'same-origin',
+        headers: { 'Content-Type': 'application/json' },
         body: JSON.stringify({
           fid: context.user.fid,
           notificationDetails,
         }),
       });
       if (response.status === 200) {
-        setNotificationState((prev) => ({ ...prev, sendStatus: "Success" }));
+        setNotificationState((prev) => ({ ...prev, sendStatus: 'Success' }));
         return;
       } else if (response.status === 429) {
-        setNotificationState((prev) => ({ ...prev, sendStatus: "Rate limited" }));
+        setNotificationState((prev) => ({
+          ...prev,
+          sendStatus: 'Rate limited',
+        }));
         return;
       }
       const responseText = await response.text();
-      setNotificationState((prev) => ({ ...prev, sendStatus: `Error: ${responseText}` }));
+      setNotificationState((prev) => ({
+        ...prev,
+        sendStatus: `Error: ${responseText}`,
+      }));
     } catch (error) {
-      setNotificationState((prev) => ({ ...prev, sendStatus: `Error: ${error}` }));
+      setNotificationState((prev) => ({
+        ...prev,
+        sendStatus: `Error: ${error}`,
+      }));
     }
   }, [context, notificationDetails]);
 
   /**
    * Copies the share URL for the current user to the clipboard.
-   * 
+   *
    * This function generates a share URL using the user's FID and copies it
    * to the clipboard. It shows a temporary "Copied!" message for 2 seconds.
    */
@@ -94,13 +100,17 @@ export function ActionsTab() {
       const userShareUrl = `${APP_URL}/share/${context.user.fid}`;
       await navigator.clipboard.writeText(userShareUrl);
       setNotificationState((prev) => ({ ...prev, shareUrlCopied: true }));
-      setTimeout(() => setNotificationState((prev) => ({ ...prev, shareUrlCopied: false })), 2000);
+      setTimeout(
+        () =>
+          setNotificationState((prev) => ({ ...prev, shareUrlCopied: false })),
+        2000
+      );
     }
   }, [context?.user?.fid]);
 
   /**
    * Triggers haptic feedback with the selected intensity.
-   * 
+   *
    * This function calls the haptics.impactOccurred method with the current
    * selectedHapticIntensity setting. It handles errors gracefully by logging them.
    */
@@ -114,56 +124,74 @@ export function ActionsTab() {
 
   // --- Render ---
   return (
-    <div className="space-y-3 px-6 w-full max-w-md mx-auto">
+    <div className='space-y-3 px-6 w-full max-w-md mx-auto'>
       {/* Share functionality */}
-      <ShareButton 
-        buttonText="Share Mini App"
+      <ShareButton
+        buttonText='Share Mini App'
         cast={{
-          text: "Check out this awesome frame @1 @2 @3! 🚀🪐",
+          text: 'Check out this awesome frame @1 @2 @3! 🚀🪐',
           bestFriends: true,
           embeds: [`${APP_URL}/share/${context?.user?.fid || ''}`]
         }}
-        className="w-full"
+        className='w-full'
       />
 
       {/* Authentication */}
       <SignIn />
 
-      {/* Mini app actions */}
-      <Button onClick={() => actions.openUrl("https://www.youtube.com/watch?v=dQw4w9WgXcQ")} className="w-full">Open Link</Button>
+      {/* Neynar Authentication */}
+      <NeynarAuthButton />
 
-      <Button onClick={actions.addMiniApp} disabled={added} className="w-full">
+      {/* Mini app actions */}
+      <Button
+        onClick={() =>
+          actions.openUrl('https://www.youtube.com/watch?v=dQw4w9WgXcQ')
+        }
+        className='w-full'
+      >
+        Open Link
+      </Button>
+
+      <Button onClick={actions.addMiniApp} disabled={added} className='w-full'>
         Add Mini App to Client
       </Button>
 
       {/* Notification functionality */}
       {notificationState.sendStatus && (
-        <div className="text-sm w-full">
+        <div className='text-sm w-full'>
           Send notification result: {notificationState.sendStatus}
         </div>
       )}
-      <Button onClick={sendFarcasterNotification} disabled={!notificationDetails} className="w-full">
+      <Button
+        onClick={sendFarcasterNotification}
+        disabled={!notificationDetails}
+        className='w-full'
+      >
         Send notification
       </Button>
 
       {/* Share URL copying */}
-      <Button 
+      <Button
         onClick={copyUserShareUrl}
         disabled={!context?.user?.fid}
-        className="w-full"
+        className='w-full'
       >
-        {notificationState.shareUrlCopied ? "Copied!" : "Copy share URL"}
+        {notificationState.shareUrlCopied ? 'Copied!' : 'Copy share URL'}
       </Button>
 
       {/* Haptic feedback controls */}
-      <div className="space-y-2">
-        <label className="block text-sm font-medium text-gray-700 dark:text-gray-300">
+      <div className='space-y-2'>
+        <label className='block text-sm font-medium text-gray-700 dark:text-gray-300'>
           Haptic Intensity
         </label>
         <select
           value={selectedHapticIntensity}
-          onChange={(e) => setSelectedHapticIntensity(e.target.value as Haptics.ImpactOccurredType)}
-          className="w-full px-3 py-2 border border-gray-300 dark:border-gray-600 rounded-md bg-white dark:bg-gray-800 text-gray-900 dark:text-gray-100 focus:outline-none focus:ring-2 focus:ring-primary"
+          onChange={(e) =>
+            setSelectedHapticIntensity(
+              e.target.value as Haptics.ImpactOccurredType
+            )
+          }
+          className='w-full px-3 py-2 border border-gray-300 dark:border-gray-600 rounded-md bg-white dark:bg-gray-800 text-gray-900 dark:text-gray-100 focus:outline-none focus:ring-2 focus:ring-primary'
         >
           <option value={'light'}>Light</option>
           <option value={'medium'}>Medium</option>
@@ -171,13 +199,10 @@ export function ActionsTab() {
           <option value={'soft'}>Soft</option>
           <option value={'rigid'}>Rigid</option>
         </select>
-        <Button 
-          onClick={triggerHapticFeedback}
-          className="w-full"
-        >
+        <Button onClick={triggerHapticFeedback} className='w-full'>
           Trigger Haptic Feedback
         </Button>
       </div>
     </div>
   );
-} 
\ No newline at end of file
+}
diff --git a/src/components/ui/wallet/SignIn.tsx b/src/components/ui/wallet/SignIn.tsx
index 0f2dda5..9ca825c 100644
--- a/src/components/ui/wallet/SignIn.tsx
+++ b/src/components/ui/wallet/SignIn.tsx
@@ -1,4 +1,4 @@
-"use client";
+'use client';
 
 import { useCallback, useState } from "react";
 import { signIn, signOut, getCsrfToken } from "next-auth/react";
@@ -8,17 +8,17 @@ import { Button } from "../Button";
 
 /**
  * SignIn component handles Farcaster authentication using Sign-In with Farcaster (SIWF).
- * 
+ *
  * This component provides a complete authentication flow for Farcaster users:
  * - Generates nonces for secure authentication
  * - Handles the SIWF flow using the Farcaster SDK
  * - Manages NextAuth session state
  * - Provides sign-out functionality
  * - Displays authentication status and results
- * 
+ *
  * The component integrates with both the Farcaster Frame SDK and NextAuth
  * to provide seamless authentication within mini apps.
- * 
+ *
  * @example
  * ```tsx
  * <SignIn />
@@ -45,29 +45,29 @@ export function SignIn() {
   // --- Handlers ---
   /**
    * Generates a nonce for the sign-in process.
-   * 
+   *
    * This function retrieves a CSRF token from NextAuth to use as a nonce
    * for the SIWF authentication flow. The nonce ensures the authentication
    * request is fresh and prevents replay attacks.
-   * 
+   *
    * @returns Promise<string> - The generated nonce token
    * @throws Error if unable to generate nonce
    */
   const getNonce = useCallback(async () => {
     const nonce = await getCsrfToken();
-    if (!nonce) throw new Error("Unable to generate nonce");
+    if (!nonce) throw new Error('Unable to generate nonce');
     return nonce;
   }, []);
 
   /**
    * Handles the sign-in process using Farcaster SDK.
-   * 
+   *
    * This function orchestrates the complete SIWF flow:
    * 1. Generates a nonce for security
    * 2. Calls the Farcaster SDK to initiate sign-in
    * 3. Submits the result to NextAuth for session management
    * 4. Handles various error conditions including user rejection
-   * 
+   *
    * @returns Promise<void>
    */
   const handleSignIn = useCallback(async () => {
@@ -77,17 +77,17 @@ export function SignIn() {
       const nonce = await getNonce();
       const result = await sdk.actions.signIn({ nonce });
       setSignInResult(result);
-      await signIn("credentials", {
+      await signIn('farcaster', {
         message: result.message,
         signature: result.signature,
         redirect: false,
       });
     } catch (e) {
       if (e instanceof SignInCore.RejectedByUser) {
-        setSignInFailure("Rejected by user");
+        setSignInFailure('Rejected by user');
         return;
       }
-      setSignInFailure("Unknown error");
+      setSignInFailure('Unknown error');
     } finally {
       setAuthState((prev) => ({ ...prev, signingIn: false }));
     }
@@ -95,32 +95,35 @@ export function SignIn() {
 
   /**
    * Handles the sign-out process.
-   * 
-   * This function clears the NextAuth session and resets the local
-   * sign-in result state to complete the sign-out flow.
-   * 
+   *
+   * This function clears the NextAuth session only if the current session
+   * is using the Farcaster provider, and resets the local sign-in result state.
+   *
    * @returns Promise<void>
    */
   const handleSignOut = useCallback(async () => {
     try {
       setAuthState((prev) => ({ ...prev, signingOut: true }));
-      await signOut({ redirect: false });
+      // Only sign out if the current session is from Farcaster provider
+      if (session?.provider === 'farcaster') {
+        await signOut({ redirect: false });
+      }
       setSignInResult(undefined);
     } finally {
       setAuthState((prev) => ({ ...prev, signingOut: false }));
     }
-  }, []);
+  }, [session]);
 
   // --- Render ---
   return (
     <>
       {/* Authentication Buttons */}
-      {status !== "authenticated" && (
+      {(status !== 'authenticated' || session?.provider !== 'farcaster') && (
         <Button onClick={handleSignIn} disabled={authState.signingIn}>
           Sign In with Farcaster
         </Button>
       )}
-      {status === "authenticated" && (
+      {status === 'authenticated' && session?.provider === 'farcaster' && (
         <Button onClick={handleSignOut} disabled={authState.signingOut}>
           Sign out
         </Button>
@@ -155,4 +158,4 @@ export function SignIn() {
       )}
     </>
   );
-} 
\ No newline at end of file
+}
diff --git a/src/hooks/useDetectClickOutside.ts b/src/hooks/useDetectClickOutside.ts
new file mode 100644
index 0000000..e6b1533
--- /dev/null
+++ b/src/hooks/useDetectClickOutside.ts
@@ -0,0 +1,18 @@
+import { useEffect } from 'react';
+
+export function useDetectClickOutside<T extends HTMLElement>(
+  ref: React.RefObject<T | null>,
+  callback: () => void
+) {
+  useEffect(() => {
+    function handleClickOutside(event: MouseEvent) {
+      if (ref.current && !ref.current.contains(event.target as Node)) {
+        callback();
+      }
+    }
+    document.addEventListener('mousedown', handleClickOutside);
+    return () => {
+      document.removeEventListener('mousedown', handleClickOutside);
+    };
+  }, [ref, callback]);
+}
diff --git a/src/lib/constants.ts b/src/lib/constants.ts
index ddd5536..dc05838 100644
--- a/src/lib/constants.ts
+++ b/src/lib/constants.ts
@@ -2,11 +2,11 @@ import { type AccountAssociation } from '@farcaster/miniapp-node';
 
 /**
  * Application constants and configuration values.
- * 
+ *
  * This file contains all the configuration constants used throughout the mini app.
  * These values are either sourced from environment variables or hardcoded and provide
  * configuration for the app's appearance, behavior, and integration settings.
- * 
+ *
  * NOTE: This file is automatically updated by the init script.
  * Manual changes may be overwritten during project initialization.
  */
@@ -84,7 +84,7 @@ export const APP_BUTTON_TEXT: string = 'Launch NSK';
 // --- Integration Configuration ---
 /**
  * Webhook URL for receiving events from Neynar.
- * 
+ *
  * If Neynar API key and client ID are configured, uses the official
  * Neynar webhook endpoint. Otherwise, falls back to a local webhook
  * endpoint for development and testing.
@@ -95,7 +95,7 @@ export const APP_WEBHOOK_URL: string = process.env.NEYNAR_API_KEY && process.env
 
 /**
  * Flag to enable/disable wallet functionality.
- * 
+ *
  * When true, wallet-related components and features are rendered.
  * When false, wallet functionality is completely hidden from the UI.
  * Useful for mini apps that don't require wallet integration.
@@ -104,9 +104,25 @@ export const USE_WALLET: boolean = true;
 
 /**
  * Flag to enable/disable analytics tracking.
- * 
+ *
  * When true, usage analytics are collected and sent to Neynar.
  * When false, analytics collection is disabled.
  * Useful for privacy-conscious users or development environments.
  */
 export const ANALYTICS_ENABLED: boolean = true;
+
+// PLEASE DO NOT UPDATE THIS
+export const SIGNED_KEY_REQUEST_VALIDATOR_EIP_712_DOMAIN = {
+  name: 'Farcaster SignedKeyRequestValidator',
+  version: '1',
+  chainId: 10,
+  verifyingContract:
+    '0x00000000fc700472606ed4fa22623acf62c60553' as `0x${string}`,
+};
+
+// PLEASE DO NOT UPDATE THIS
+export const SIGNED_KEY_REQUEST_TYPE = [
+  { name: 'requestFid', type: 'uint256' },
+  { name: 'key', type: 'bytes' },
+  { name: 'deadline', type: 'uint256' },
+];
diff --git a/src/lib/devices.ts b/src/lib/devices.ts
new file mode 100644
index 0000000..f6757ec
--- /dev/null
+++ b/src/lib/devices.ts
@@ -0,0 +1,27 @@
+function isAndroid(): boolean {
+  return (
+    typeof navigator !== 'undefined' && /android/i.test(navigator.userAgent)
+  );
+}
+
+function isSmallIOS(): boolean {
+  return (
+    typeof navigator !== 'undefined' && /iPhone|iPod/.test(navigator.userAgent)
+  );
+}
+
+function isLargeIOS(): boolean {
+  return (
+    typeof navigator !== 'undefined' &&
+    (/iPad/.test(navigator.userAgent) ||
+      (navigator.platform === 'MacIntel' && navigator.maxTouchPoints > 1))
+  );
+}
+
+function isIOS(): boolean {
+  return isSmallIOS() || isLargeIOS();
+}
+
+export function isMobile(): boolean {
+  return isAndroid() || isIOS();
+}
diff --git a/src/lib/localStorage.ts b/src/lib/localStorage.ts
new file mode 100644
index 0000000..0d86b65
--- /dev/null
+++ b/src/lib/localStorage.ts
@@ -0,0 +1,25 @@
+export function setItem<T>(key: string, value: T) {
+  try {
+    localStorage.setItem(key, JSON.stringify(value));
+  } catch (error) {
+    console.warn('Failed to save item:', error);
+  }
+}
+
+export function getItem<T>(key: string): T | null {
+  try {
+    const stored = localStorage.getItem(key);
+    return stored ? JSON.parse(stored) : null;
+  } catch (error) {
+    console.warn('Failed to load item:', error);
+    return null;
+  }
+}
+
+export function removeItem(key: string) {
+  try {
+    localStorage.removeItem(key);
+  } catch (error) {
+    console.warn('Failed to remove item:', error);
+  }
+}
diff --git a/src/lib/utils.ts b/src/lib/utils.ts
index f473387..59430e8 100644
--- a/src/lib/utils.ts
+++ b/src/lib/utils.ts
@@ -19,17 +19,6 @@ export function cn(...inputs: ClassValue[]) {
   return twMerge(clsx(inputs));
 }
 
-export function getSecretEnvVars() {
-  const seedPhrase = process.env.SEED_PHRASE;
-  const fid = process.env.FID;
-  
-  if (!seedPhrase || !fid) {
-    return null;
-  }
-
-  return { seedPhrase, fid };
-}
-
 export function getMiniAppEmbedMetadata(ogImageUrl?: string) {
   return {
     version: "next",