AntFleet

Disagreement · 7739d5f2-openai-2

Persisting derived state ('mode') alongside thresholds risks drift and inconsistent behavior

mismatch
repo 53606958·PR #2·reviewed 1 week ago

Primary finding

Persisting derived state ('mode') alongside thresholds risks drift and inconsistent behavior

mediummaintainabilitymedium
  • memory/goals.json:31
  • memory/goals.json:32-35
Mode can be derived from current progress and thresholds. Storing a static mode field creates a second source of truth that can become stale if modeThresholds or current progress change without updating mode, leading to divergent agent behavior.

Recommendation

Remove the persisted mode field or clearly mark it as computed-only. Derive mode at runtime from thresholds and current metrics, and/or add a check that rejects inconsistent files (persisted mode must match derived mode).

Counterpart finding

Mode field inconsistent with documented threshold semantics

lowapi-contractmedium
  • memory/goals.json:5-6
  • memory/goals.json:24-29
The milestone description says build mode triggers at 100 DIEM total, but modeThresholds also exposes buildModeOnDailyRate: 5 with no documented unit/window (per-day? in DIEM?) and no precedence rule between the two thresholds. A consumer that evaluates daily rate could flip to build mode well before the 100 DIEM milestone is met, contradicting the milestone description. The contract between mode, milestones[*].status, and the two thresholds is ambiguous.

Recommendation

Document in the file (or in an adjacent schema/spec) the precedence: e.g., 'mode becomes build when EITHER threshold is satisfied' vs. 'AND', and specify the time window/unit for buildModeOnDailyRate. Alternatively collapse to a single canonical trigger to avoid drift between mode and milestone.status.

Why this didn't post

This finding didn't meet AntFleet's unanimous agreement threshold. Both frontier models review every PR independently; only findings they both flag with the same severity and category are posted to the PR. This one fell through.

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