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Store guide images in B2 with DVC restoration - #211

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codekiln merged 1 commit into
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codex/204-guide-images-b2
Oct 8, 2026
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codekiln merged 1 commit into
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codex/204-guide-images-b2

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@codekiln codekiln commented Oct 8, 2026 •

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Launchpad and Microfreak figures now use verified public B2 URLs. Each of the 178 guide images has an Asset/B2 page and adjacent DVC metadata; working copies remain under assets/.remote/. Replaced the image links on 139 guide pages and removed only the specified committed PNGs. Other assets, including the slot-397 preset export, remain outside the migration.

The uploader uses B2's authenticated discovery of its S3 endpoint for public downloads, retaining complete MIME, length and SHA-256 verification. Private downloads retain their authenticated Native endpoint. Asset add/push/fetch/status no longer install FFmpeg, while conversion and media validation retain it. The asset, upload-task and book-section definitions describe the resulting workflow.

Validation: all named uploads and complete public downloads pass; all DVC backups pass. A repeated named upload retains the same file ID and upload timestamp. Proxy tests (22), pinned DVC/conversion tests (5), media tests (17), and commit identity/format checks pass. A separate fresh checkout restored every image through asset:fetch using an independent initially empty cache. All 178 restored SHA-256 values match; 153 unique DVC objects account for content deduplication. An independent acceptance audit passes scope, links, metadata, protected tags/block IDs, and restoration checks.

Gitpa PR #23 Launchpad references and PR #24 Microfreak references must re-sync from this source and remove their scoped PNG copies before they become ready for review.

Closes #204.

--AI(gpt-6-unspecified guide image B2 migration)

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Publish Launchpad and Microfreak guide images from B2

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