refactor(memory): wrap pgvector logic as MemoryAdapter implementation

Co-Authored-By: Claude Opus 4.6 <[email protected]>

packages/memory/src/index.ts

@@ -21,3 +21,13 @@ export type {
   InsightSearchResult,
 } from './types.js';
 export { createMemoryAdapter, registerMemoryAdapter } from './factory.js';
+export { PgVectorAdapter } from './adapters/pgvector.js';
+
+// Auto-register pgvector adapter at module load time
+import { registerMemoryAdapter } from './factory.js';
+import { PgVectorAdapter } from './adapters/pgvector.js';
+import type { MemoryConfig } from './types.js';
+
+registerMemoryAdapter('pgvector', (config: MemoryConfig) => {
+  return new PgVectorAdapter(config as Extract<MemoryConfig, { type: 'pgvector' }>);
+});