✨ feature: Enhance output options with Google Sheets integration and improve Excel writer functionality

tests/run.test.ts

@@ -41,4 +41,49 @@ describe('run orchestration', () => {
     expect(result.linksExtracted).toBe(1);
     expect(writes).toHaveLength(0);
   });
+
+  it('only sends locally marked sponsored links to the sponsored output', async () => {
+    const stateFile = join(dir, 'state.json');
+    const writes: any[] = [];
+
+    await runCatalog({
+      config: {
+        gmail: { folder: 'Newsletters' },
+        output: { name: 'Catalog', excel: { enabled: true, path: join(dir, 'out.xlsx') } },
+        stateFile
+      },
+      messages: [
+        {
+          id: 'msg-1',
+          messageId: '<msg-1>',
+          from: 'Web Tools Weekly <w@example.com>',
+          date: '2026-05-16T00:00:00.000Z',
+          html: `
+            <div>
+              <a href="https://cascade.example">Cascade</a> - CSS property icons.
+              <a href="https://frames.example">Fancy Frames</a> - Decorative borders.
+              SPONSORED
+              <a href="https://flexboxle.example">flexboxle</a> - A daily puzzle game.
+              <a href="https://types.example">Typescale AI</a> - A typescale generator.
+            </div>
+          `
+        }
+      ],
+      writers: [{ write: async (payload) => writes.push(payload) }]
+    });
+
+    expect(writes[0].sponsors).toEqual([
+      {
+        Newsletter: 'Web Tools Weekly',
+        Sponsor: 'flexboxle',
+        Link: 'https://flexboxle.example/',
+        Description: 'A daily puzzle game.'
+      }
+    ]);
+    expect(writes[0].rows.map((row: any) => row.Title)).toEqual([
+      'Cascade',
+      'Fancy Frames',
+      'Typescale AI'
+    ]);
+  });
 });