Replace PostgreSQL and Docker deployment with embedded Turso, Drizzle relational queries v2, native systemd deployment on port 43821, and fresh SQLite migrations.

Hop-State: A_06FP5KEDBTB4A9ZT7QB498G
Hop-Proposal: R_06FP5KDWMCKVVMQZT4MVZ28
Hop-Task: T_06FP5DZ7T0G45FG93PT90B8
Hop-Attempt: AT_06FP5DZ7T0PKQW99V27JCV8

drizzle.config.ts

@@ -7,8 +7,8 @@ dotenv.config();
 export default defineConfig({
     schema: './src/db/schema.ts',
     out: './drizzle',
-    dialect: 'postgresql',
+    dialect: 'sqlite',
     dbCredentials: {
-        url: process.env.DATABASE_URL!,
+        url: process.env.DATABASE_PATH || './data/synapsis.db',
     },
 });