Initial commit: LeadFlow lead generation platform

Full-stack Next.js 16 app with three scraping pipelines:
- AirScale CSV → Anymailfinder Bulk Decision Maker search
- LinkedIn Sales Navigator → Vayne → Anymailfinder email enrichment
- Apify Google SERP → domain extraction → Anymailfinder bulk enrichment

Includes Docker multi-stage build + docker-compose for Coolify deployment.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

lib/db.ts

@@ -0,0 +1,17 @@
+import { PrismaClient } from "@prisma/client";
+import { PrismaBetterSqlite3 } from "@prisma/adapter-better-sqlite3";
+
+// Prisma 7 requires a driver adapter for SQLite connections.
+function createPrisma() {
+  const url = process.env.DATABASE_URL || "file:./leadflow.db";
+  const adapter = new PrismaBetterSqlite3({ url });
+  return new PrismaClient({ adapter } as ConstructorParameters<typeof PrismaClient>[0]);
+}
+
+const globalForPrisma = globalThis as unknown as {
+  prisma: PrismaClient | undefined;
+};
+
+export const prisma = globalForPrisma.prisma ?? createPrisma();
+
+if (process.env.NODE_ENV !== "production") globalForPrisma.prisma = prisma;