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2786afb2b5
* fix(core): compact on the window ceiling (min), not the max of the ladder
computeThresholds combined the proportional term (pct*window) and the
absolute term (effectiveWindow - AUTOCOMPACT_BUFFER) with Math.max, which
pushed the auto-compaction trigger toward the top of the window on large
windows — a 1M-token window compacted at ~97%, leaving ~33K headroom.
The absolute term is structurally a ceiling ("compact before the prompt
leaves too little room for the summarization side-query, which needs up
to SUMMARY_RESERVE of output"), so it composes with Math.min, matching
the claude-code reference (services/compact/autoCompact.ts, which uses
Math.min and whose default trigger is the absolute term alone).
auto = absoluteCeiling > 0 ? min(pct*window, absoluteCeiling) : pct*window
warn = max(0, auto - WARN_BUFFER) // WARN_PCT_OFFSET retired
hard = unchanged
Effect: large windows compact at ~85% (the DEFAULT_PCT ceiling) instead
of ~97%; small/mid windows keep room to run compaction (a 128K window's
summary now provably fits); sub-33K windows are unchanged. A lower
context.autoCompactThreshold now pulls compaction earlier on large
windows, matching the reference's Math.min override semantics.
Updates the threshold unit tests, the settings schema description, and
the user docs to describe the setting as a ceiling on the trigger.
* refactor(core): trim threshold doc comments; name the hard-edge term
Post-review cleanup (no behavior change):
- Collapse the duplicated regime explanation shared between the DEFAULT_PCT
and computeThresholds doc comments into one canonical block; point the
constant's doc at computeThresholds.
- Rename rawHard -> hardEdge and note it is the window-edge ceiling, so the
two roles of the hard tier (window edge vs. auto + HARD_BUFFER) are legible.
- Shorten the context.autoCompactThreshold description in settings.md to the
concise schema wording (also un-widens the docs table).
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| design | ||
| developers | ||
| e2e-tests | ||
| plans | ||
| users | ||
| verification/abort-controller-refactor | ||
| _meta.ts | ||
| index.md | ||