fix(test): migrations user_version latest 7 → 8 (m008 추가 잔여 fix)

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

tests/unit/migrations.test.ts

@@ -51,11 +51,11 @@ describe('migration v3 — soft delete columns', () => {
     db.close();
   });
 
-  it('user_version reaches latest (7)', () => {
+  it('user_version reaches latest (8)', () => {
     const db = new Database(':memory:');
     runMigrations(db);
     const row = db.prepare('PRAGMA user_version').get() as { user_version: number };
-    expect(row.user_version).toBe(7);
+    expect(row.user_version).toBe(8);
     db.close();
   });