feat: initial Papo bot scaffold

src/config/env.ts

@@ -0,0 +1,25 @@
+import dotenv from 'dotenv';
+import path from 'path';
+
+dotenv.config({ path: path.resolve(process.cwd(), '.env') });
+
+const required = ['DISCORD_TOKEN', 'DISCORD_CLIENT_ID', 'DISCORD_GUILD_ID', 'DATABASE_URL'] as const;
+
+required.forEach((key) => {
+  if (!process.env[key]) {
+    console.warn(`[config] Missing environment variable ${key}`);
+  }
+});
+
+export const env = {
+  token: process.env.DISCORD_TOKEN ?? '',
+  clientId: process.env.DISCORD_CLIENT_ID ?? '',
+  guildId: process.env.DISCORD_GUILD_ID ?? '',
+  guildIds: (process.env.DISCORD_GUILD_IDS ?? process.env.DISCORD_GUILD_ID ?? '')
+    .split(',')
+    .map((s) => s.trim())
+    .filter(Boolean),
+  databaseUrl: process.env.DATABASE_URL ?? '',
+  port: Number(process.env.PORT ?? 3000),
+  sessionSecret: process.env.SESSION_SECRET ?? 'papo_dev_secret'
+};