feat(compression): configurable protect_first_n/protect_last_n turns (reopen #756) - #27090
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Master-Rensei wants to merge 1 commit into
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feat(compression): configurable protect_first_n/protect_last_n turns (reopen #756)#27090Master-Rensei wants to merge 1 commit into
Master-Rensei wants to merge 1 commit into
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Add protect_first_n and protect_last_n to the compression config section in config.yaml, allowing users to control how many initial and recent turns are preserved during context compression. - Default values: protect_first_n=3, protect_last_n=4 (no behavior change) - Values clamped to 0-12 range (inspired by openclaw recentTurnsPreserve) - Config version bumped to 6 for migration - Also improved run_agent.py to read compression config from config.yaml (previously only read from env vars) Related: #525 (microcompact)
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Note: protect_first_n was already made configurable in #25447 (merged). This PR may still add protect_last_n configurability and config version bump. |
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Summary
Reopening closed PR #756 (not merged). Adds
protect_first_nandprotect_last_nto the compression config inconfig.yaml, allowing users to control how many initial and recent turns are preserved during context compression.Changes
hermes_cli/config.py: Addedprotect_first_n: 3andprotect_last_n: 4toDEFAULT_CONFIG.compression. Bumped config version to 6.run_agent.py: Reads protection values from config.yaml (with 0-12 clamping). Also improved to readthresholdandsummary_modelfrom config.yaml rather than only env vars.tests/test_compression_config.py: 8 tests covering defaults, config version, ContextCompressor param passing, and clamping logic.Config Example
Inspired by openclaw's
recentTurnsPreserveconfig (clamped 0-12, default 3) from v2026.3.7.Related: #525, closes #756