NousResearch/hermes-agent

Fix compaction gates to use real provider usage

Cluster 100381. Data as of 2026-10-25 11:21 UTC

Nothing open on GitHub. Fix merged in #104555 on 6 Sep 2026. Check it covers your case.

open issues

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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 #104555. Check it covers your case. No release data is tracked.
Tracker: The maintainers' tracker marks this resolved, deciding PR #104555. That is separate from the fix event.
Still open: Nothing open on GitHub.

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These items address a bug where thread compaction decisions were based on a local byte-estimate heuristic rather than the provider's reported token usage, causing incorrect compaction behavior on small or long-lived threads. The fix anchors compaction logic to actual reported usage figures.

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Fixes on record

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

#104555 fix(compression): compaction gates follow the provider's real usage, never the bytes/4 estimate (#104462, salvage #99585 #100447)

merged to main

files: agent/agent_init.py, agent/codex_runtime.py, agent/context_breakdown.py, agent/context_compressor.py, agent/conversation_compression.py, agent/conversation_loop.py, agent/model_metadata.py, agent/turn_context.py, agent/turn_context_compaction.py, agent/turn_preflight.py, agent/turn_preflight_gate.py, agent/turn_request_assembly.py, agent/turn_usage.py, agent/usage_anchor.py, evals/token_accounting/replay_gates.py, gateway/run_turn.py, hermes_cli/cli_status_bar_mixin.py, tests/agent/test_budget_reasoning_details_exclusion.py, tests/agent/test_context_compressor.py, tests/agent/test_context_compressor_cross_session_guard.py (+8 more)

1 PR closed without merging

From the close comments: done elsewhere 1

#100447 fix(compression): anchor codex app-server preflight on reported usage · done elsewhere → a9e56c0, #104555

Closed issues · 1

Closed#100381codex_app_server_auto=hermes triggers thread compaction off the local mirror estimate — compacts tiny threads, thrashes on long-lived sessions

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At a glance

Merged PRs: #104555
Closed issues: 1
Attempts: 1 PR closed without merging
Fix link checked: 6 Sep 2026

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