Iter 40. Pins BfldPipeline::current_gate_action() as a stable operator-
facing diagnostic surface. Iter 11 covered the underlying CoherenceGate
state machine; this iter validates the same transitions through the
public BfldPipeline facade so operators can observe gate behavior
without descending into the lower-level types.
Added (in tests/pipeline_gate_observability.rs, 7 named tests):
fresh_pipeline_starts_in_accept
low_risk_processing_stays_in_accept (3 inputs at 0.1^4 risk)
first_high_risk_input_does_not_immediately_promote_gate
(pending != current — debounce hasn't elapsed)
sustained_high_risk_promotes_gate_to_reject_after_debounce
(two inputs across DEBOUNCE_NS boundary → Reject)
sustained_recalibrate_grade_score_reaches_recalibrate
(same pattern with 1.0^4 score → Recalibrate)
returning_to_low_risk_restores_accept_via_hysteresis
(round trip: 0.9^3 * 0.85 PredictOnly → 0.1^4 Accept via debounce)
current_gate_action_is_read_only_does_not_advance_state
*** Important property for operator-facing surface ***
Three reads between processes must return the same value and not
perturb pipeline state. A polling monitor calling this in a tight
loop must not influence what the next process() observes.
ADR-124 status (iter step 0 sibling check):
- docs/adr/ADR-124-rvagent-mcp-ruvector-npm-integration.md unchanged
at 431 lines. SENSE-BRIDGE scope remains orthogonal.
ACs progressed:
- ADR-118 §2.1 operator diagnostic surface — current_gate_action()
now provably read-only and observably transitioning through the
full 4-action band. Operators wiring HA notifications or fleet
dashboards to "gate Reject means something to investigate" have
a stable contract.
- ADR-121 §2.4 + §2.5 — gate transitions visible at the facade
layer match the underlying CoherenceGate semantics; hysteresis
and debounce work end-to-end through process().
Test config:
- cargo test --no-default-features → 80 passed (gate_observability cfg-out)
- cargo test → 269 passed (262 + 7)
Out of scope (next iter target):
- PR-readiness pivot: CHANGELOG batch, witness bundle regeneration,
AC closeout table for the eventual PR description. All 5 ACs of
ADR-118 / 7 ACs of ADR-119 / 7 ACs of ADR-120 / 7 ACs of ADR-121 /
6 ACs of ADR-122 are now covered by iters 1-40. Remaining work is
external-resource-gated (KIT BFId, Pi5/Nexmon hardware) or PR-prep.
Co-Authored-By: claude-flow <ruv@ruv.net>
ce2eaab75a