Revert "feat: migrate frontend to Astro + expand AI moderation + backend admin/runtime config"

This reverts commit d59b59a7a7.

services/discord-gateway/src/shared/database/drizzle.ts

@@ -12,25 +12,19 @@ let rawPool: Pool | null = null;
 
 /**
  * Initialize the PostgreSQL database connection.
- * When called from a Piscina worker thread, pool min/max are reduced to
- * avoid exhausting PG connections across many worker processes.
  */
 export async function initializeDatabase() {
   if (db !== null) {
     return db;
   }
 
-  const isWorker = typeof process.env.PISCINA_WORKER !== "undefined";
-  const poolMin = isWorker ? 1 : config.POSTGRES_POOL_MIN;
-  const poolMax = isWorker ? 2 : config.POSTGRES_POOL_MAX;
-
   let pool: Pool;
 
   if (config.DATABASE_URL) {
     pool = new Pool({
       connectionString: config.DATABASE_URL,
-      min: poolMin,
-      max: poolMax,
+      min: config.POSTGRES_POOL_MIN,
+      max: config.POSTGRES_POOL_MAX,
     });
   } else {
     pool = new Pool({
@@ -39,8 +33,8 @@ export async function initializeDatabase() {
       user: config.POSTGRES_USER,
       password: config.POSTGRES_PASSWORD,
       database: config.POSTGRES_DB,
-      min: poolMin,
-      max: poolMax,
+      min: config.POSTGRES_POOL_MIN,
+      max: config.POSTGRES_POOL_MAX,
     });
   }