Cairn

Compaction alternation repair drops unaccounted rows

NousResearch/hermes-agent · cluster 129123

Data as of

Nothing open on GitHub. Fix merged in #130672. Check it covers your case.

The short answer

0open issues
0open PRs
6items grouped
Known?
Yes. 6 related items grouped here, 1 issue already closed.
Fix event
A fix was merged to main in PR #130672. Check it covers your case. No release data is tracked.
Tracker
The maintainers' tracker marks this resolved, deciding PR #130672. That is separate from the fix event.
Still open
Nothing open on GitHub.

These issues and pull requests address a bug where rows dropped or merged by the alternation repair step during in-place compaction are not properly accounted for, causing incorrect row sequencing. Multiple fix attempts or iterations are represented across the members.

Open issues0

No open issues.

Open PRs0

No open pull requests.

Fixes on record

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

  • #130672 In-place compaction no longer re-sends old prompts or re-orders a killed turn's tool call after a reload (#125564, #129123, salvage #129749, #125567)

    merged to main

    files: agent/agent_runtime_helpers.py, agent/conversation_compression.py, agent/conversation_compression_archive.py, agent/message_metadata.py, contributors/emails/[redacted:email], gateway/run.py, hermes_state.py, hermes_state_coverage.py, hermes_state_messages.py, tests/agent/test_in_place_merged_user_rows.py, tests/agent/test_message_sequence_repair.py, tests/hermes_state/test_repaired_history_commit_coverage.py

4 PRs closed without merging

From the close comments: merged via another change 3 · superseded by another PR 1

  • #125567 fix(compression): in-place compaction accounts for every row the alternation repair merged or dropped · merged via another change → 6a1a762, #130672
  • #129124 fix(agent): account for dropped tool rows during compaction · merged via another change → 6a1a762, #130672
  • #129162 fix(compaction): account for alternation repair dropped rows (#129123) · superseded by another PR → 6a1a762, #130672
  • #129749 fix(compression): account for rows the alternation repair drops or merges · merged via another change → 6a1a762, #130672
Closed issues · 1
  • Closed#129123[Bug]: In-place compaction re-sequences a killed turn's tool call behind the running turn (rows the alternation repair drops are not accounted for)
How this cluster was grouped
  • Link evidence (structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
  • Pairwise link density 0.40: 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

Merged PRs
#130672
Closed issues
1
Attempts
4 PRs closed without merging
Fix link checked
3 Oct 2026

For your agent

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