add Ubuntu/Fedora/Arch + custom images, streaming hash, and real E2E tests#18

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userhaptop wants to merge 21 commits intobuck2hub:mainfrom

userhaptop:main

Commits on Feb 7, 2026

Commits on Feb 10, 2026

feat(log): add multi-distro image support, custom image handling, and streaming hash computation
userhaptop
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feat(log): Solving the problem of comments being abnormally overwritten
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Commits on Feb 23, 2026

feat(log): Fixed and enhanced issues raised in the review regarding mirror download integrity, E2E testing gating, and maintainability.
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Commits on Feb 24, 2026

Commits on Feb 25, 2026

Commits on Mar 5, 2026

feat(log): With QLEAN_RUN_E2E=1, Fedora/Arch integration tests run the full E2E flow (build image → boot VM → SSH → run checks → shutdown) with no skips, no WSL special-casing, and no “KVM missing …
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Commits on Mar 8, 2026