Implement Cloudflare D1 support with Prisma, update scripts, and enhance documentation

lib/prisma.ts

@@ -1,5 +1,6 @@
-// Simple Prisma client setup
+// Prisma client setup with support for Cloudflare D1
 import { PrismaClient } from "@prisma/client";
+import { PrismaD1 } from "@prisma/adapter-d1";
 
 // Add prisma to the NodeJS global type
 // This approach avoids NodeJS.Global which is not available
@@ -9,12 +10,24 @@ declare const global: {
   prisma: PrismaClient | undefined;
 };
 
-// Initialize Prisma Client
-const prisma = global.prisma || new PrismaClient();
+// Check if we're running in Cloudflare Workers environment
+const isCloudflareWorker = typeof globalThis.DB !== 'undefined';
 
-// Save in global if we're in development
-if (process.env.NODE_ENV !== "production") {
-  global.prisma = prisma;
+// Initialize Prisma Client
+let prisma: PrismaClient;
+
+if (isCloudflareWorker) {
+    // In Cloudflare Workers, use D1 adapter
+    const adapter = new PrismaD1(globalThis.DB);
+    prisma = new PrismaClient({ adapter });
+} else {
+    // In Next.js/Node.js, use regular SQLite
+    prisma = global.prisma || new PrismaClient();
+
+    // Save in global if we're in development
+    if (process.env.NODE_ENV !== "production") {
+        global.prisma = prisma;
+  }
 }
 
 export { prisma };