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feat(M293): wire PHASE6_MAX_CONSECUTIVE_TEXT_TURNS env var into phase-6-bench.sh #261

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Merged
noahgift merged 1 commit into from
May 21, 2026
Merged

feat(M293): wire PHASE6_MAX_CONSECUTIVE_TEXT_TURNS env var into phase-6-bench.sh #261

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20 changes: 20 additions & 0 deletions scripts/phase-6-bench.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,10 @@
# - PHASE6_MAX_TURNS caps multi-turn dialog (defaults 20)
# - PHASE6_WALL_SECONDS caps session wall (defaults 3600s)
# - PHASE6_MAX_CONSECUTIVE_COMPLIANCE_FAILURES Compliance-Trap cap (defaults 3)
# - PHASE6_MAX_CONSECUTIVE_TEXT_TURNS Agent-Text-Loop cap (defaults 0 = disabled).
# Opt-in: when >0, session terminates with ArenaOutcome::AgentTextLoop after
# N consecutive text-only turns (no tool_call). See M292 evidence doc.
# Leave at 0 for historical evidence comparisons (M270/M280/M287/M291).
# - PHASE6_COMPLIANCE_ENFORCED (M276): 1 (default, treatment, writes to
# evidence/under-contract/) OR 0 (control baseline, --compliance-enforced
# DISABLED, writes to evidence/under-contract-control/). The treatment
Expand Down Expand Up @@ -72,6 +76,12 @@ PHASE6_MAX_TURNS="${PHASE6_MAX_TURNS:-20}"
PHASE6_WALL_SECONDS="${PHASE6_WALL_SECONDS:-3600}"
PHASE6_ORACLE_INTERVAL="${PHASE6_ORACLE_INTERVAL:-3}"
PHASE6_MAX_CONSECUTIVE_COMPLIANCE_FAILURES="${PHASE6_MAX_CONSECUTIVE_COMPLIANCE_FAILURES:-3}"
# M292: Agent-Text-Loop detector cap (0 = disabled, default). When >0,
# session terminates with ArenaOutcome::AgentTextLoop after N consecutive
# text-only turns (no tool_call). See evidence/phase-6/v1004-agent-text-loop-detector-2026-05-21.md.
# Operator-opt-in: changes outcome distributions, so existing bench evidence
# comparisons (M270, M280, M287, M291) must stay at 0 for apples-to-apples.
PHASE6_MAX_CONSECUTIVE_TEXT_TURNS="${PHASE6_MAX_CONSECUTIVE_TEXT_TURNS:-0}"

CLAUDE_BIN="$(command -v claude 2>/dev/null || command -v claude-code 2>/dev/null || true)"
APR_BIN="$(command -v apr 2>/dev/null || command -v apr-cli 2>/dev/null || true)"
Expand Down Expand Up @@ -280,6 +290,15 @@ for fixture_dir in $(ls -d "${CORPUS_DIR}"/*/[0-9]*/ 2>/dev/null | sort); do
"--max-consecutive-compliance-failures=${PHASE6_MAX_CONSECUTIVE_COMPLIANCE_FAILURES}"
)
fi
# M292: opt-in Agent-Text-Loop detector. Threaded through only when
# PHASE6_MAX_CONSECUTIVE_TEXT_TURNS > 0 to preserve historical
# outcome distributions for any run that leaves the env var unset.
text_loop_args=()
if [[ "${PHASE6_MAX_CONSECUTIVE_TEXT_TURNS}" -gt 0 ]]; then
text_loop_args+=(
"--max-consecutive-text-turns=${PHASE6_MAX_CONSECUTIVE_TEXT_TURNS}"
)
fi
"${BENCH_BIN}" \
--cwd="${side_cwd}" \
--prompt-file="${prompt_file}" \
Expand All @@ -290,6 +309,7 @@ for fixture_dir in $(ls -d "${CORPUS_DIR}"/*/[0-9]*/ 2>/dev/null | sort); do
--oracle-check-interval="${PHASE6_ORACLE_INTERVAL}" \
--driver-per-turn-timeout="${APR_TIMEOUT_S}" \
"${compliance_args[@]}" \
"${text_loop_args[@]}" \
"${driver_args[@]}" > "${bench_out}" 2> "${fixture_evidence}/${side}.bench.stderr" || bench_status=$?
if [[ -s "${bench_out}" ]]; then
outcome_kind=$(jq -r '.outcome.kind // "unknown"' "${bench_out}" 2>/dev/null || echo "parse_error")
Expand Down
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