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

src/lib/server/pipeline/indexing.pipeline.ts

@@ -22,6 +22,7 @@ import type { EmbeddingService } from '$lib/server/embeddings/embedding.service.
 import { RepositoryMapper } from '$lib/server/mappers/repository.mapper.js';
 import { IndexingJob } from '$lib/server/models/indexing-job.js';
 import { Repository, RepositoryEntity } from '$lib/server/models/repository.js';
+import { SqliteVecStore } from '$lib/server/search/sqlite-vec.store.js';
 import { resolveConfig, type ParsedConfig } from '$lib/server/config/config-parser.js';
 import { parseFile } from '$lib/server/parser/index.js';
 import { computeTrustScore } from '$lib/server/search/trust-score.js';
@@ -63,12 +64,16 @@ function sha256(content: string): string {
 // ---------------------------------------------------------------------------
 
 export class IndexingPipeline {
+	private readonly sqliteVecStore: SqliteVecStore;
+
 	constructor(
 		private readonly db: Database.Database,
 		private readonly githubCrawl: typeof GithubCrawlFn,
 		private readonly localCrawler: LocalCrawler,
 		private readonly embeddingService: EmbeddingService | null
-	) {}
+	) {
+		this.sqliteVecStore = new SqliteVecStore(db);
+	}
 
 	// -------------------------------------------------------------------------
 	// Public — run a job end to end
@@ -593,6 +598,12 @@ export class IndexingPipeline {
 							emb.embedding,
 							emb.created_at
 						);
+					this.sqliteVecStore.upsertEmbeddingBuffer(
+						emb.profile_id,
+						newSnippetId,
+						emb.embedding,
+						emb.dimensions
+					);
 				}
 			}
 		})();
@@ -623,6 +634,8 @@ export class IndexingPipeline {
 		);
 
 		this.db.transaction(() => {
+			this.sqliteVecStore.deleteEmbeddingsForDocumentIds(changedDocIds);
+
 			// Delete stale documents (cascade deletes their snippets via FK).
 			if (changedDocIds.length > 0) {
 				const placeholders = changedDocIds.map(() => '?').join(',');