Changelog

- Added explicit changelog coverage for source-batch updates, daily source-health checks, methodology changes, removals, disputes, and correction-policy changes.

- Added clearer scanner failure states for denied permission, missing cameras, unreadable barcodes, and uncertain OCR.

- Added public appeals/dispute process language and version dates for methodology and policy.

- Updated offline PWA behavior so guidance pages can be cached while live lookup results still require a network connection.

- Cleaned the methodology sequence and clarified that evidence numbers are internal weights, not counts.

- Added public About, Changelog, and Record Schema pages.

- Added correction review targets, abuse policy, donor conflict-of-interest language, and privacy retention details.

- Added camera/privacy microcopy to the scan page and visible helper text to the submission form.

- Expanded product, brand, producer, parent, owner, investor, shareholder, and creditor relationship checks.

- Tightened entity matching to reduce false links from short fragments.

- Improved result explanations so evidence conduct appears before source metadata.

- Added free and optional public product identity source lanes.

- Added lookup caching and unknown-review workflows so repeated barcodes do not waste quota.

- Added public privacy, support, and moderation framing for the PWA.