🤖Headless spec gate (non-blocking, #204 first slice)
Spec-gate agent produced no text output — check runner logs.
Deterministic floors still govern the merge
This comment is advisory. Required checks (lint, tests, canaries, type-check, coverage, dependency lock, impact gate) remain the merge authority per docs/adversarial-review.md proportionality.
🤖 **Headless spec gate (non-blocking, #204 first slice)**
Spec-gate agent produced no text output — check runner logs.
<details><summary>Deterministic floors still govern the merge</summary>
This comment is advisory. Required checks (lint, tests, canaries, type-check, coverage, dependency lock, impact gate) remain the merge authority per docs/adversarial-review.md proportionality.</details>
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TASK I: PL0 passive Experience Ledger (epic #284)
Observation and evidence capture only. No autonomous self-editing.
scripts/process_experience.py: ExperienceLedger with 12 root-cause layers, 3 result types, confidence tracking, evidence references, correction tracking, recurrence classification, cost measurement, reusable flag.
10 seed Process Experiences from real runs (#161/#163/#164/#310/#311): 5 failures, 3 successes, 2 inefficiencies — all marked reusable_lesson=True.
Root-cause layers populated: SCHEMA (2), PROMPT_CONTRACT (1), VALIDATOR (2), STAGE_ARCHITECTURE (2), MODEL_BEHAVIOR (1), ROUTING (1), DETERMINISTIC_RUNTIME (1).
Failure-learning: schema drift, field naming, missing disposition, validator mismatch, duplicate contract authority.
Success-learning: gate blocked missing M1, INNOVATION correctly skipped, real external evidence produced decision-changing results, fingerprinting detected mutation classes porcelain could miss.
🤖 Headless spec gate (non-blocking, #204 first slice)
Spec-gate agent produced no text output — check runner logs.
Deterministic floors still govern the merge
This comment is advisory. Required checks (lint, tests, canaries, type-check, coverage, dependency lock, impact gate) remain the merge authority per docs/adversarial-review.md proportionality.