feat(database): add

packages/database/.env.example

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+# Postgres database url
+DATABASE_URL=""

packages/database/.gitignore

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+dist
+.env

packages/database/drizzle.config.ts

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+import { defineConfig } from "drizzle-kit";
+import { env } from "~/env";
+
+export default defineConfig({
+  dialect: "postgresql",
+  out: "./drizzle",
+  schema: "./src/schema/index.ts",
+  dbCredentials: {
+    url: env.DATABASE_URL,
+  },
+});

packages/database/package.json

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+{
+  "name": "@lbf-bot/database",
+  "type": "module",
+  "main": "dist/index.js",
+  "module": "dist/index.js",
+  "types": "dist/index.d.ts",
+  "exports": {
+    ".": {
+      "types": "./dist/index.d.ts",
+      "import": "./dist/index.js",
+      "default": "./dist/index.js"
+    }
+  },
+  "files": [
+    "dist"
+  ],
+  "scripts": {
+    "build": "rm -rf dist && tsc -p tsconfig.build.json && tsc-alias -p tsconfig.build.json",
+    "db:push": "drizzle-kit push",
+    "db:studio": "drizzle-kit studio"
+  },
+  "dependencies": {
+    "@lbf-bot/utils": "workspace:*",
+    "drizzle-orm": "0.44.7",
+    "pg": "8.16.3",
+    "zod": "4.1.11"
+  },
+  "devDependencies": {
+    "drizzle-kit": "0.31.7",
+    "tsc-alias": "1.8.16",
+    "typescript": "5.9.3"
+  }
+}

packages/database/src/env.ts

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+import { z } from "zod";
+import { parseEnv } from "@lbf-bot/utils";
+
+export const env = parseEnv({
+  DATABASE_URL: z.url().min(1, "Required"),
+});

packages/database/src/index.ts

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+import { drizzle } from "drizzle-orm/postgres-js";
+import { env } from "~/env";
+import * as schema from "~/schema";
+
+export const db = drizzle(env.DATABASE_URL, {
+  schema,
+});

packages/database/src/schema/index.ts

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+export * from "./relations";
+export * from "./tables";

packages/database/src/schema/relations.ts

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+import { relations } from "drizzle-orm";
+import { trackedPlayers, usernameHistory } from "./tables";
+
+/**
+ * TRACKING SYSTEM
+ */
+export const trackedPlayersRelations = relations(
+  trackedPlayers,
+  ({ many }) => ({
+    usernameHistory: many(usernameHistory),
+  }),
+);
+
+export const usernameHistoryRelations = relations(
+  usernameHistory,
+  ({ one }) => ({
+    trackedPlayer: one(trackedPlayers, {
+      fields: [usernameHistory.playerId],
+      references: [trackedPlayers.playerId],
+    }),
+  }),
+);

packages/database/src/schema/tables.ts

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+import { integer, pgTable, text, timestamp, uuid } from "drizzle-orm/pg-core";
+
+/**
+ * ECONOMY SYSTEM
+ */
+export const accounts = pgTable("accounts", {
+  playerId: uuid("player_id").primaryKey(),
+  balance: integer("balance").notNull().default(0),
+  createdAt: timestamp("created_at").notNull().defaultNow(),
+  updatedAt: timestamp("updated_at").notNull().defaultNow(),
+});
+
+/**
+ * TRACKING SYSTEM
+ */
+export const trackedPlayers = pgTable("tracked_players", {
+  playerId: uuid("player_id").primaryKey(),
+  createdAt: timestamp("created_at").notNull().defaultNow(),
+  updatedAt: timestamp("updated_at").notNull().defaultNow(),
+});
+
+export const usernameHistory = pgTable("username_history", {
+  id: uuid("id").primaryKey().defaultRandom(),
+  playerId: uuid("player_id")
+    .notNull()
+    .references(() => trackedPlayers.playerId, { onDelete: "cascade" }),
+  username: text("username").notNull(),
+  firstSeenAt: timestamp("first_seen_at").notNull().defaultNow(),
+});

packages/database/tsconfig.build.json

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+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "outDir": "dist",
+    "declaration": true,
+    "declarationMap": true,
+    "sourceMap": true,
+    "removeComments": false
+  },
+  "tsc-alias": {
+    "resolveFullPaths": true
+  },
+  "include": ["src"]
+}

packages/database/tsconfig.json

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+{
+  "compilerOptions": {
+    "lib": ["ESNext"],
+    "target": "ESNext",
+    "module": "ESNext",
+    "moduleDetection": "force",
+
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": false,
+    "baseUrl": ".",
+    "paths": {
+      "~/*": ["./src/*"],
+      "~": ["./src/index"]
+    },
+
+    "strict": true,
+    "skipLibCheck": true,
+    "noFallthroughCasesInSwitch": true,
+    "esModuleInterop": true,
+    "resolveJsonModule": true,
+
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "noPropertyAccessFromIndexSignature": false
+  },
+  "include": ["src", "drizzle.config.ts"],
+  "exclude": ["node_modules", "dist"]
+}