NousResearch/hermes-agent

Archive-mode rewind prefix duplication bug fix

Cluster 82956 · agent. Data as of 2026-10-29 11:48 UTC

Nothing open on GitHub. Fix merged in #117109 on 20 Sep 2026. Check it covers your case.

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Known?: Yes. 3 related items grouped here, 1 issue already closed.
Fix event: A fix was merged to main in PR #117109. Check it covers your case. No release data is tracked.
Tracker: The maintainers' tracker marks this resolved, deciding PR #117109. That is separate from the fix event.
Still open: Nothing open on GitHub.

Next step: read #117109, then check it covers your case.

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A bug causes archive-mode rewind to duplicate the kept prefix on every rewind with no pruning, leading to O(prefix × rewinds) growth. The fix changes the behavior to archive only the dropped suffix instead.

Open issues0

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No open pull requests.

Fixes on record

Merged to main. A stamp counts the issues a fix is linked to.

#117109 state: archive-mode rewind archives only the dropped suffix instead of duplicating the kept prefix on every rewind (#82956)

merged to main

files: hermes_state_messages.py, hermes_state_rewind.py, tests/hermes_state/test_replace_messages_archives_suffix_only.py, tests/tui_gateway/test_session_profile_db.py, tests/tui_gateway/test_tui_gateway_server.py, tui_gateway/methods_prompt.py

1 PR closed without merging

From the close comments: superseded by another PR 1

#102362 fix: state: archive-mode rewind duplicates the kept prefix per rewind with no pruning path (O(prefix × rewinds) growth) (#82956) · superseded by another PR → #82956, #117109

Closed issues · 1

Closed#82956state: archive-mode rewind duplicates the kept prefix per rewind with no pruning path (O(prefix × rewinds) growth)

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Link evidence (structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
Pairwise link density 0.67: the share of item pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36. 1.00 means every pair is linked.

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At a glance

Subsystem: agent
Merged PRs: #117109
Closed issues: 1
Attempts: 1 PR closed without merging
Fix link checked: 20 Sep 2026

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