feat(bot): add session management and user tracking

- Implement Prisma storage adapter for Telegram session management
- Add middleware to upsert Telegram user data
- Extend TelegramUser model with additional fields
- Add db:push command to turbo.json and package.json
- Extend Prisma client with exists helper method

packages/database/package.json

@@ -4,7 +4,8 @@
   "scripts": {
     "db:generate": "prisma generate",
     "db:migrate": "prisma migrate dev --skip-generate",
-    "db:deploy": "prisma migrate deploy"
+    "db:deploy": "prisma migrate deploy",
+    "db:push": "prisma db push"
   },
   "dependencies": {
     "@prisma/client": "^6.11.1"

packages/database/prisma/schema.prisma

@@ -22,9 +22,13 @@ model TelegramSession {
 }
 
 model TelegramUser {
-  id        String   @id
-  username  String?
-  isBlocked Boolean  @default(false)
-  createdAt DateTime @default(now())
-  updatedAt DateTime @updatedAt
+  id           String   @id
+  username     String?
+  isBlocked    Boolean  @default(false)
+  firstName    String?
+  lastName     String?
+  languageCode String?
+  isPremium    Boolean?
+  createdAt    DateTime @default(now())
+  updatedAt    DateTime @updatedAt
 }

packages/database/src/client.ts

@@ -1,8 +1,18 @@
-import { PrismaClient } from "../generated/prisma";
+import { Prisma, PrismaClient as PrismaClientBase } from '../generated/prisma';
 
-const globalForPrisma = global as unknown as { prisma: PrismaClient };
+export const prisma = new PrismaClientBase().$extends({
+  model: {
+    $allModels: {
+      async exists<T>(
+        this: T,
+        where?: Prisma.Args<T, 'findFirst'>['where']
+      ): Promise<boolean> {
+        const context = Prisma.getExtensionContext(this);
+        const result = await (context as any).findFirst({ where });
+        return result !== null;
+      },
+    },
+  },
+});
 
-export const prisma =
-  globalForPrisma.prisma || new PrismaClient()
-
-if (process.env.NODE_ENV !== "production") globalForPrisma.prisma = prisma;
+export type PrismaClient = typeof prisma;