Release BE: stage-374 (v0.51.81) — 6-PR batch — cost-history POSIX lock + prompt-cache tokens + Plugins panel i18n + pending placeholder + journal partial recovery + RuntimeAdapter Slice 2 - #2433

Merged

nesquena-hermes merged 8 commits into

May 17, 2026

Commits on May 17, 2026

Stage 374: PR #2418 — fix(cost-history): provider-specific POSIX file lock for snapshot updates by @Michaelyklam (fixes #2402)

nesquena-hermes
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Michael Lam
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b3bf234
Stage 374: PR #2421 — fix(cache-tokens): surface provider prompt-cache read/write tokens in WebUI usage by @Michaelyklam (fixes #2419)

nesquena-hermes
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Michael Lam
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47c2108
Stage 374: PR #2425 — i18n: add internationalization for Settings Plugins panel by @mccxj

nesquena-hermes
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mccxj
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13265b7
Stage 374: PR #2431 — fix(chat): render pending assistant placeholder before /api/chat/start returns by @Michaelyklam (fixes #2429)

nesquena-hermes
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Michael Lam
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a33cd41
Stage 374: PR #2427 — fix(streaming): recover journaled partial assistant output after WebUI restart by @franksong2702 (fixes #2423)

nesquena-hermes
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Frank Song
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8f98465
Stage 374: PR #2424 — feat(runtime): add default-off RuntimeAdapter seam (HERMES_WEBUI_RUNTIME_ADAPTER=legacy-journal) by @Michaelyklam (refs #1925)

nesquena-hermes
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Michael Lam
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9fec727
Stage 374: assemble unified CHANGELOG for v0.51.81
nesquena-hermes
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b78c739
Stamp CHANGELOG for v0.51.81 (Release BE / stage-374)
nesquena-hermes
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c736554