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[Feature]: Percentage-based compaction config #72790
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P2Normal backlog priority with limited blast radius.Normal backlog priority with limited blast radius.clawsweeper:needs-product-decisionClawSweeper marked this issue as needing a product or behavior decision.ClawSweeper marked this issue as needing a product or behavior decision.clawsweeper:no-new-fix-prClawSweeper does not recommend queueing a new automated fix PR for this issue.ClawSweeper does not recommend queueing a new automated fix PR for this issue.enhancementNew feature or requestNew feature or requestimpact:session-stateSession, memory, transcript, context, or agent state can drift or corrupt.Session, memory, transcript, context, or agent state can drift or corrupt.issue-rating: 🌊 off-meta tidepoolIssue quality rating does not apply to this item.Issue quality rating does not apply to this item.
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P2Normal backlog priority with limited blast radius.Normal backlog priority with limited blast radius.clawsweeper:needs-product-decisionClawSweeper marked this issue as needing a product or behavior decision.ClawSweeper marked this issue as needing a product or behavior decision.clawsweeper:no-new-fix-prClawSweeper does not recommend queueing a new automated fix PR for this issue.ClawSweeper does not recommend queueing a new automated fix PR for this issue.enhancementNew feature or requestNew feature or requestimpact:session-stateSession, memory, transcript, context, or agent state can drift or corrupt.Session, memory, transcript, context, or agent state can drift or corrupt.issue-rating: 🌊 off-meta tidepoolIssue quality rating does not apply to this item.Issue quality rating does not apply to this item.
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Summary
Percentage-based compaction config.
Problem to solve
Current compaction settings like
reserveTokensFloorandkeepRecentTokensuse absolute token values. This creates inconsistent behavior across models with different context windows.Example:
reserveTokensFloor: 20000means:Same config, wildly different behavior.
Proposed solution
Add support for percentage values in context-aware token settings:
{ "agents": { "defaults": { "compaction": { "reserveTokensFloor": "10%", "keepRecentTokens": "15%" } } } } ### Alternatives considered Auto-scale the default floor as % of context window, even if user sets absolute number. ### Impact Config becomes portable across models Users think in relative terms ("leave 10% headroom") not absolute numbers Reduces per-model config maintenance ### Evidence/examples _No response_ ### Additional information _No response_