chore: migrate to PostgreSQL with Prisma

scripts/seed.ts

@@ -0,0 +1,66 @@
+import { prisma } from "../lib/prisma";
+import { getUsers } from "../lib/users";
+import "dotenv/config";
+
+async function main() {
+  console.log("Seeding database...");
+
+  // 1. Migrate Users
+  const users = await getUsers();
+  for (const user of users) {
+    console.log(`Migrating user: ${user.email}`);
+    await prisma.user.upsert({
+      where: { email: user.email },
+      update: {
+        name: user.name,
+        password: user.password,
+        role: user.role,
+        domains: user.domains,
+        telegramId: user.telegramId,
+      },
+      create: {
+        email: user.email,
+        name: user.name,
+        password: user.password,
+        role: user.role,
+        domains: user.domains,
+        telegramId: user.telegramId,
+      },
+    });
+  }
+
+  // 2. Migrate Mailbox Mappings
+  const mappingsRaw = process.env.MAIL_USER_MAPPINGS || "{}";
+  try {
+    const mappings = JSON.parse(mappingsRaw);
+    for (const [email, userKey] of Object.entries(mappings)) {
+      const userIndex = parseInt((userKey as string).replace("USER_", ""));
+      const userEmail = process.env[`USER_${userIndex}_EMAIL`];
+      
+      if (userEmail) {
+        const dbUser = await prisma.user.findUnique({ where: { email: userEmail } });
+        if (dbUser) {
+          console.log(`Creating mapping: ${email} -> ${userEmail}`);
+          await prisma.mailboxMapping.upsert({
+            where: { email },
+            update: { userId: dbUser.id },
+            create: { email, userId: dbUser.id },
+          });
+        }
+      }
+    }
+  } catch (e) {
+    console.error("Mapping migration failed:", e);
+  }
+
+  console.log("Seeding complete.");
+}
+
+main()
+  .catch((e) => {
+    console.error(e);
+    process.exit(1);
+  })
+  .finally(async () => {
+    await prisma.$disconnect();
+  });