## QA Verification - PASSED ✓ Verified that TRCKR-522 is a duplicate of TRCKR-664. The requested E2E tests for uploading attachments to projects already exist and are fully functional. **Test File**: tests/e2e/test_project_attachment_upload.py (merged in commit b213874) **Test Results**: 8/8 tests PASSED in 17.76s - ✓ Basic file upload flow - ✓ Upload with custom title - ✓ Image gallery rendering - ✓ Multiple sequential uploads - ✓ Cancel button behavior - ✓ Download verification - ✓ Header count updates - ✓ Mixed files and images **Branch Status**: TRCKR-522 branch has no changes (points to same commit as master) **Conclusion**: Functionality exists, tests pass, implementation is verified. Marking as done. **Full QA Report**: /tmp/qa-TRCKR-522.md

## Investigation and Findings The E2E tests for uploading attachments to projects already exist in `tests/e2e/test_project_attachment_upload.py`. This work was completed as part of **TRCKR-664**. ### Test File Location - `tests/e2e/test_project_attachment_upload.py` ### Tests Implemented (8 total) 1. `test_upload_file_attachment_to_project` - Basic file upload flow 2. `test_upload_attachment_with_custom_title` - Upload with custom title 3. `test_upload_image_attachment_shows_in_gallery` - Image appears in gallery 4. `test_upload_multiple_attachments_to_project` - Sequential uploads 5. `test_upload_attachment_cancel_button` - Cancel discards upload 6. `test_uploaded_project_attachment_can_be_downloaded` - Download verification 7. `test_project_attachment_header_count_updates` - Header count updates correctly 8. `test_upload_mixed_files_and_images_to_project` - Mixed file types ### Verification All 8 tests pass when run against a local server: ``` E2E_BASE_URL=http://localhost:8421 E2E_API_KEY=test-key uv run pytest tests/e2e/test_project_attachment_upload.py -v # Result: 8 passed in 17.95s ``` ### Status The tests were merged to master in commit b213874 (TRCKR-664). This issue is effectively a duplicate of that work. Marking as in-review for verification.