chore: consolidate new foundation and archive v1 (#1495)

v1/packages/db/src/client-pglite.ts

@@ -0,0 +1,17 @@
+import { PGlite } from '@electric-sql/pglite';
+import { vector } from '@electric-sql/pglite/vector';
+import { drizzle } from 'drizzle-orm/pglite';
+import * as schema from './schema.js';
+import type { DbHandle } from './client.js';
+
+export function createPgliteDb(dataDir: string): DbHandle {
+  // pgvector extension is required by migration 0001 (insights.embedding column).
+  const client = new PGlite(dataDir, { extensions: { vector } });
+  const db = drizzle(client, { schema });
+  return {
+    db: db as unknown as DbHandle['db'],
+    close: async () => {
+      await client.close();
+    },
+  };
+}