[Bugfix][Core] Backport upstream Mamba prefix-cache retention - #617

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Leonccaa wants to merge 8 commits into

1CatAI:mainfrom

Leonccaa:fix/mamba-sparse-prefix-retention

Commits on Sep 13, 2026

fix: retain aligned Mamba prefixes across long prefills
Leonccaa
committed
1cbaa2c
docs: describe sparse retention for 1Cat
Leonccaa
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5cd53e1
Configure Mamba checkpoint retention in blocks
Leonccaa
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f0be84a
Backport upstream Mamba retention configuration and recovery boundaries

Leonccaa
and
codex
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820516b
Fix sparse cache events and non-EAGLE decode retention

Leonccaa
and
codex
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6c24974
Merge remote-tracking branch 'upstream/main' into fix/mamba-sparse-prefix-retention
Leonccaa
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5d4c0e4
Fix upstream README blank line for CI

Leonccaa
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codex
committed
fdc0ffc
Move unrelated baseline CI fixes to a separate PR

Leonccaa
and
codex
committed
a9ab97a