fix(ci): add critical environment variables and enhanced debugging for build step

Author: josegomez-dev

.github/workflows/ci.yml

@@ -78,10 +78,31 @@ jobs:
           cache: 'npm'
 
       - name: Install dependencies
-        run: npm ci
+        run: |
+          echo "Installing dependencies..."
+          npm ci
+          echo "Dependencies installed successfully"
+          echo "Checking for any dependency issues..."
+          npm ls --depth=0
 
       - name: Build application
-        run: npm run build
+        env:
+          NEXT_PUBLIC_STELLAR_NETWORK: TESTNET
+          NEXT_PUBLIC_STELLAR_HORIZON_TESTNET: https://horizon-testnet.stellar.org
+          NEXT_PUBLIC_STELLAR_HORIZON_PUBLIC: https://horizon.stellar.org
+          NEXT_PUBLIC_DEFAULT_ASSET_CODE: USDC
+          NEXT_PUBLIC_DEFAULT_ASSET_ISSUER: CBIELTK6YBZJU5UP2WWQEUCYKLPU6AUNZ2BQ4WWFEIE3USCIHMXQDAMA
+          NEXT_PUBLIC_DEFAULT_ASSET_DECIMALS: 7
+          NEXT_PUBLIC_APP_NAME: Stellar Nexus
+          NEXT_PUBLIC_APP_VERSION: 0.1.0
+          NODE_ENV: production
+        run: |
+          echo "Environment variables set:"
+          echo "NODE_ENV: $NODE_ENV"
+          echo "NEXT_PUBLIC_STELLAR_NETWORK: $NEXT_PUBLIC_STELLAR_NETWORK"
+          echo "Starting build..."
+          npm run build
+          echo "Build completed with exit code: $?"
 
       - name: List build directory contents
         run: |