fix: use async postgres for autonomy http routes

src/db/pgAsync.js

@@ -0,0 +1,24 @@
+const { Pool } = require('pg');
+
+const pools = new Map();
+
+function postgresUrl() { return process.env.DURIIN_POSTGRES_URL || process.env.DATABASE_URL; }
+
+function poolFor(schema = 'intelligence') {
+  const connectionString = postgresUrl();
+  if (!connectionString) throw new Error('DURIIN_POSTGRES_URL is required');
+  const key = `${connectionString}|${schema}`;
+  if (!pools.has(key)) {
+    pools.set(key, new Pool({
+      connectionString,
+      max: Math.max(1, Number(process.env.POSTGRES_HTTP_POOL_SIZE) || 4),
+      options: `-c search_path=${schema},public`,
+    }));
+  }
+  return pools.get(key);
+}
+
+async function all(schema, sql, params = []) { return (await poolFor(schema).query(sql, params)).rows; }
+async function get(schema, sql, params = []) { return (await poolFor(schema).query(sql, params)).rows[0]; }
+
+module.exports = { poolFor, all, get };