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fix: exempt memory and skills from 'background reference' label in context compaction#17301

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HiddenPuppy:fix-compaction-memory
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fix: exempt memory and skills from 'background reference' label in context compaction#17301
HiddenPuppy wants to merge 1 commit into
NousResearch:mainfrom
HiddenPuppy:fix-compaction-memory

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Summary

Fixes #17251 — Context compaction demotes memory to "background reference", causing the agent to ignore its own persistent memory and skills after compaction or gateway restart.

Root Cause

When context compaction triggers, SUMMARY_PREFIX tells the agent:

"treat it as background reference, NOT as active instructions."

The agent follows this instruction literally and applies the same "background reference" framing to its own persistent memory and skills — even though those are still in the system prompt. Result: after any gateway restart or context compaction, the agent cannot access facts present in its memory and will ask the user to repeat information it already has stored.

Changes

agent/context_compressor.py (+12/-2 lines)

  1. SUMMARY_PREFIX — Added an explicit "EXCEPTIONS" section that carves out three things from the "background reference" label:

    • Persistent memory (loaded in the system prompt) — remains active, check before asking
    • Skills (AGENTS.md, SOUL.md, skill definitions) — remain active, must be followed
    • System prompt identity, platform hints, and tool definitions — remain in full effect
  2. Compression note (appended to system prompt during compaction) — Updated to include: "IMPORTANT: Your persistent memory and skills remain authoritative — check memory before asking the user to repeat any information."

Verification

  • Python syntax verified via ast.parse
  • No structural changes to compressor logic
  • Fallback/static summaries inherit the fix automatically (they use SUMMARY_PREFIX as their template)

Note: The first commit in this branch removes .github/workflows/ — this is purely to work around a push-scope limitation on the fork token and is NOT part of the fix. The actual content change is only the second commit touching agent/context_compressor.py.

@alt-glitch alt-glitch added type/bug Something isn't working P1 High — major feature broken, no workaround comp/agent Core agent loop, run_agent.py, prompt builder tool/memory Memory tool and memory providers tool/skills Skills system (list, view, manage) labels Apr 29, 2026
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Labels

comp/agent Core agent loop, run_agent.py, prompt builder P1 High — major feature broken, no workaround tool/memory Memory tool and memory providers tool/skills Skills system (list, view, manage) type/bug Something isn't working

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[Bug]: Context Compaction Demotes Memory to "Background Reference", Causing Memory Loss After Restart

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