feat(TRUEREF-0023): add sqlite-vec search pipeline

src/lib/server/embeddings/embedding.service.ts

@@ -5,6 +5,7 @@
 
 import type Database from 'better-sqlite3';
 import type { EmbeddingProvider } from './provider.js';
+import { SqliteVecStore } from '$lib/server/search/sqlite-vec.store.js';
 
 interface SnippetRow {
 	id: string;
@@ -17,11 +18,15 @@ const BATCH_SIZE = 50;
 const TEXT_MAX_CHARS = 2048;
 
 export class EmbeddingService {
+	private readonly sqliteVecStore: SqliteVecStore;
+
 	constructor(
 		private readonly db: Database.Database,
 		private readonly provider: EmbeddingProvider,
 		private readonly profileId: string = 'local-default'
-	) {}
+	) {
+		this.sqliteVecStore = new SqliteVecStore(db);
+	}
 
 	findSnippetIdsMissingEmbeddings(repositoryId: string, versionId: string | null): string[] {
 		if (versionId) {
@@ -104,13 +109,19 @@ export class EmbeddingService {
 				for (let j = 0; j < batchSnippets.length; j++) {
 					const snippet = batchSnippets[j];
 					const embedding = embeddings[j];
+
 					insert.run(
 						snippet.id,
 						this.profileId,
 						embedding.model,
 						embedding.dimensions,
-						Buffer.from(embedding.values.buffer)
+						Buffer.from(
+							embedding.values.buffer,
+							embedding.values.byteOffset,
+							embedding.values.byteLength
+						)
 					);
+					this.sqliteVecStore.upsertEmbedding(this.profileId, snippet.id, embedding.values);
 				}
 			});
 			insertMany();