feat: fix vercel build

Author: kalidiagne

.vercel/build.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+
+# Exit on error
+set -e
+
+echo "Starting custom Vercel build script"
+
+# Remove existing package-lock.json and node_modules to avoid npm optional dependency bug
+echo "Cleaning up existing installations"
+rm -rf package-lock.json node_modules
+rm -rf apps/client/node_modules
+
+# Install dependencies with specific flags to handle Rollup's optional dependencies
+echo "Installing dependencies"
+npm install --no-optional --force
+
+# Build the client application
+echo "Building client application"
+cd apps/client
+npm run build
+
+echo "Build completed successfully"