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

src/lib/server/services/repository.service.test.ts

@@ -11,6 +11,8 @@ import Database from 'better-sqlite3';
 import { readFileSync } from 'node:fs';
 import { join } from 'node:path';
 import { RepositoryService } from './repository.service';
+import { loadSqliteVec, sqliteVecRowidTableName, sqliteVecTableName } from '$lib/server/db/sqlite-vec.js';
+import { SqliteVecStore } from '$lib/server/search/sqlite-vec.store.js';
 import {
 	AlreadyExistsError,
 	InvalidInputError,
@@ -25,6 +27,7 @@ import {
 function createTestDb(): Database.Database {
 	const client = new Database(':memory:');
 	client.pragma('foreign_keys = ON');
+	loadSqliteVec(client);
 
 	const migrationsFolder = join(import.meta.dirname, '../db/migrations');
 
@@ -33,7 +36,9 @@ function createTestDb(): Database.Database {
 		'0001_quick_nighthawk.sql',
 		'0002_silky_stellaris.sql',
 		'0003_multiversion_config.sql',
-		'0004_complete_sentry.sql'
+		'0004_complete_sentry.sql',
+		'0005_fix_stage_defaults.sql',
+		'0006_yielding_centennial.sql'
 	]) {
 		const statements = readFileSync(join(migrationsFolder, migration), 'utf-8')
 			.split('--> statement-breakpoint')
@@ -331,6 +336,41 @@ describe('RepositoryService.remove()', () => {
 	it('throws NotFoundError when the repository does not exist', () => {
 		expect(() => service.remove('/not/found')).toThrow(NotFoundError);
 	});
+
+	it('removes derived vec rows before the repository cascade deletes snippets', () => {
+		const docId = crypto.randomUUID();
+		const snippetId = crypto.randomUUID();
+		const embedding = Float32Array.from([1, 0, 0]);
+		const vecStore = new SqliteVecStore((service as unknown as { db: Database.Database }).db);
+		const db = (service as unknown as { db: Database.Database }).db;
+		const now = Math.floor(Date.now() / 1000);
+
+		db.prepare(
+			`INSERT INTO documents (id, repository_id, version_id, file_path, checksum, indexed_at)
+			 VALUES (?, '/facebook/react', NULL, 'README.md', 'repo-doc', ?)`
+		).run(docId, now);
+		db.prepare(
+			`INSERT INTO snippets (id, document_id, repository_id, version_id, type, content, created_at)
+			 VALUES (?, ?, '/facebook/react', NULL, 'info', 'repo snippet', ?)`
+		).run(snippetId, docId, now);
+		db.prepare(
+			`INSERT INTO snippet_embeddings (snippet_id, profile_id, model, dimensions, embedding, created_at)
+			 VALUES (?, 'local-default', 'test-model', 3, ?, ?)`
+		).run(snippetId, Buffer.from(embedding.buffer), now);
+		vecStore.upsertEmbedding('local-default', snippetId, embedding);
+
+		service.remove('/facebook/react');
+
+		const vecTable = sqliteVecTableName('local-default');
+		const rowidTable = sqliteVecRowidTableName('local-default');
+		const vecCount = db.prepare(`SELECT COUNT(*) as n FROM "${vecTable}"`).get() as { n: number };
+		const rowidCount = db.prepare(`SELECT COUNT(*) as n FROM "${rowidTable}"`).get() as {
+			n: number;
+		};
+
+		expect(vecCount.n).toBe(0);
+		expect(rowidCount.n).toBe(0);
+	});
 });
 
 // ---------------------------------------------------------------------------