diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 8351474..64c9354 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup Node.js
         uses: actions/setup-node@v4
@@ -27,8 +27,42 @@ jobs:
           node-version: 20
           cache: npm
 
+      - name: Create CI environment file
+        run: |
+          cat <<'EOF' > .env
+          # Frontend (Vite) - Using placeholder values for CI build
+          VITE_FIREBASE_API_KEY=
+          VITE_FIREBASE_AUTH_DOMAIN=
+          VITE_FIREBASE_PROJECT_ID=
+          VITE_FIREBASE_STORAGE_BUCKET=
+          VITE_FIREBASE_MESSAGING_SENDER_ID=
+          VITE_FIREBASE_APP_ID=
+          VITE_FIREBASE_MEASUREMENT_ID=
+          VITE_FIREBASE_RECAPTCHA_SITE_KEY=
+          VITE_GOOGLE_OAUTH_CLIENT_ID=
+          VITE_GEMINI_API_KEY=
+          VITE_PUBLIC_ONCHAINKIT_API_KEY=
+          VITE_BASE_RPC_URL=https://sepolia.base.org
+          VITE_FRACTAL_RECIPE_CONTRACT_ADDRESS=
+          VITE_FRACTAL_RECIPE_DEPLOY_BLOCK=0
+
+          # Backend (server) - Using minimal values for build
+          PORT=4000
+          JWT_SECRET=ci-secret
+          JWT_TTL_SECONDS=3600
+          CORS_ORIGIN=http://localhost:5173
+          FIREBASE_PROJECT_ID=ci
+          FIREBASE_CLIENT_EMAIL=
+          FIREBASE_PRIVATE_KEY="-----BEGIN PRIVATE KEY-----\n\n-----END PRIVATE KEY-----\n"
+          GOOGLE_OAUTH_CLIENT_ID=
+          PASSWORD_MIN_LENGTH=10
+          PWD_RESET_OTP_TTL_MS=600000
+          PWD_RESET_MAX_ATTEMPTS=5
+          GITHUB_WEBHOOK_SECRET=ci-webhook-secret
+          EOF
+
       - name: Install dependencies
-        run: npm install
+        run: npm ci
 
       - name: Build project
         run: npm run build
diff --git a/.github/workflows/static-analysis.yml b/.github/workflows/static-analysis.yml
index 1dc0e1e..162e695 100644
--- a/.github/workflows/static-analysis.yml
+++ b/.github/workflows/static-analysis.yml
@@ -57,7 +57,7 @@ jobs:
           PASSWORD_MIN_LENGTH=10
           PWD_RESET_OTP_TTL_MS=600000
           PWD_RESET_MAX_ATTEMPTS=5
-          WEBHOOK_SECRET=ci-webhook-secret
+          GITHUB_WEBHOOK_SECRET=ci-webhook-secret
           EOF
 
       - name: Install dependencies
diff --git a/components/auth/EmailLinkAuthExample.tsx b/components/auth/EmailLinkAuthExample.tsx
index 1a40691..1a9faa4 100644
--- a/components/auth/EmailLinkAuthExample.tsx
+++ b/components/auth/EmailLinkAuthExample.tsx
@@ -1,4 +1,4 @@
-import { useState, useEffect } from 'react';
+import { useState, useEffect, useCallback } from 'react';
 import type { ActionCodeSettings } from 'firebase/auth';
 import {
   sendMagicLink,
@@ -19,14 +19,37 @@ export function EmailLinkAuthExample() {
   const [error, setError] = useState('');
   const [isCompletingSignIn, setIsCompletingSignIn] = useState(false);
 
+  const handleCompleteSignIn = useCallback(async (providedEmail?: string) => {
+    setError('');
+    setStatus('Completing sign-in...');
+
+    try {
+      const result = await completeEmailSignIn(providedEmail || email);
+      
+      setStatus(`Successfully signed in as ${result.user.email}`);
+      // Handle successful sign-in (e.g., redirect to dashboard)
+      
+    } catch (err) {
+      const errorMessage = err instanceof Error ? err.message : 'Failed to complete sign-in';
+      
+      // If email is missing, prompt user to enter it
+      if (errorMessage.includes('Email address is required')) {
+        setError('Please enter your email to complete sign-in');
+        setIsCompletingSignIn(true);
+      } else {
+        setError(errorMessage);
+      }
+      setStatus('');
+    }
+  }, [email]);
+
   useEffect(() => {
     // Check if current URL is a sign-in link
     if (isMagicLink()) {
       setIsCompletingSignIn(true);
       void handleCompleteSignIn();
     }
-    // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, []);
+
 
   const handleSendLink = async () => {
     setError('');
@@ -55,29 +78,6 @@ export function EmailLinkAuthExample() {
     }
   };
 
-  const handleCompleteSignIn = async (providedEmail?: string) => {
-    setError('');
-    setStatus('Completing sign-in...');
-
-    try {
-      const result = await finishMagicLink(providedEmail || email);
-
-      setStatus(`Successfully signed in as ${result.user.email}`);
-      // Handle successful sign-in (e.g., redirect to dashboard)
-
-    } catch (err) {
-      const errorMessage = err instanceof Error ? err.message : 'Failed to complete sign-in';
-
-      // If email is missing, prompt user to enter it
-      if (errorMessage.includes('Email address is required')) {
-        setError('Please enter your email to complete sign-in');
-        setIsCompletingSignIn(true);
-      } else {
-        setError(errorMessage);
-      }
-      setStatus('');
-    }
-  };
 
   if (isCompletingSignIn) {
     return (