feat(trash): migration v3 + Note type extension (#4 v0.2.3)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

tests/unit/migrations.test.ts

@@ -29,3 +29,47 @@ describe('migrations', () => {
     db.close();
   });
 });
+
+describe('migration v3 — soft delete columns', () => {
+  it('adds deleted_at, last_recalled_at, recall_dismissed_at to notes', () => {
+    const db = new Database(':memory:');
+    runMigrations(db);
+    const cols = db.prepare(`PRAGMA table_info(notes)`).all().map((r: any) => r.name);
+    expect(cols).toEqual(
+      expect.arrayContaining(['deleted_at', 'last_recalled_at', 'recall_dismissed_at'])
+    );
+    db.close();
+  });
+
+  it('creates idx_notes_deleted_at index', () => {
+    const db = new Database(':memory:');
+    runMigrations(db);
+    const indexes = db
+      .prepare(`SELECT name FROM sqlite_master WHERE type='index' AND tbl_name='notes'`)
+      .all() as Array<{ name: string }>;
+    expect(indexes.map((i) => i.name)).toContain('idx_notes_deleted_at');
+    db.close();
+  });
+
+  it('user_version reaches 3', () => {
+    const db = new Database(':memory:');
+    runMigrations(db);
+    const row = db.prepare('PRAGMA user_version').get() as { user_version: number };
+    expect(row.user_version).toBe(3);
+    db.close();
+  });
+
+  it('all 3 new columns default to NULL', () => {
+    const db = new Database(':memory:');
+    runMigrations(db);
+    db.prepare(
+      `INSERT INTO notes (id, raw_text, ai_status, created_at, updated_at)
+       VALUES ('n1', 't', 'pending', '2026-05-01T00:00:00Z', '2026-05-01T00:00:00Z')`
+    ).run();
+    const row = db.prepare('SELECT deleted_at, last_recalled_at, recall_dismissed_at FROM notes WHERE id=?').get('n1') as any;
+    expect(row.deleted_at).toBeNull();
+    expect(row.last_recalled_at).toBeNull();
+    expect(row.recall_dismissed_at).toBeNull();
+    db.close();
+  });
+});

tests/unit/store.tagFilter.test.ts

@@ -18,6 +18,9 @@ function sample(id: string, tags: string[]): Note {
     intentPromptedAt: null,
     dueDate: null,
     dueDateEditedByUser: false,
+    deletedAt: null,
+    lastRecalledAt: null,
+    recallDismissedAt: null,
     createdAt: '2026-04-26T00:00:00Z',
     updatedAt: '2026-04-26T00:00:00Z',
     tags: tags.map((name) => ({ name, source: 'ai' as const })),