fix: Use agiliton database instead of litellm

- Changed default database from litellm to agiliton
- Updated credentials for docker-host postgres
- Requires pgvector/pgvector:pg16 image on docker-host

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/db.ts

@@ -5,9 +5,9 @@ const { Pool } = pg;
 const config = {
   host: process.env.DB_HOST || 'localhost',
   port: parseInt(process.env.DB_PORT || '5432'),
-  database: process.env.DB_NAME || 'litellm',
-  user: process.env.DB_USER || 'litellm',
-  password: process.env.DB_PASSWORD || 'litellm',
+  database: process.env.DB_NAME || 'agiliton',
+  user: process.env.DB_USER || 'agiliton',
+  password: process.env.DB_PASSWORD || 'QtqiwCOAUpQNF6pjzOMAREzUny2bY8V1',
   max: 5,
   idleTimeoutMillis: 30000,
   connectionTimeoutMillis: 5000,