D0427

TODO:

• [ ] Add page-specific notes for data/datasets/d0427.md after inspecting the real project files.
• [ ] Cross-link D0427 to the most relevant code, data, testing, and safety pages.
• [ ] Name the exact folder, JSON file, or generated artifact this page covers.
• [ ] List dataset count, source, date tag, and purpose.
• [ ] Document how labels are created, reviewed, merged, and cleaned up.
• [ ] Document naming rules for image files and dataset tags.
• [ ] Add sync commands and warnings if the page involves moving data between machines.
• [ ] Add privacy review steps before public release.
• [ ] Add how to verify no stale labels or duplicate labels remain.
• [ ] Add image counts, label counts, source tag, and active/historical status.
• [ ] Add label cleanup and relabel verification commands.
• [ ] List dataset tag, image count, label count, source, and purpose.
• [ ] Add how to verify filenames, annotations, and correction labels match.
• [ ] Add the exact source path, artifact path, or hardware component name.
• [ ] Add the command or procedure needed to reproduce the result.