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docs/decisions/2026-04-24-gate-d-option-a-ratified.md

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+# LOCKED — Gate D Deviation Adjudication Option A Ratified
+
+**Date**: 2026-04-24
+**Ratified by**: Marko Marković
+**PM**: claude-opus-4-7 (Cowork)
+
+## Odluka
+
+**Option A ACCEPT** — Gemini 3.1 Pro Tier 2 upgrade kao primary resolution za Gate D deviation halt. Manifest v4 anchor `dedd698` ostaje validan ex-ante lock. Code freeze HEAD `373516c` nepromenjen.
+
+## Uslovi
+
+Tri blocker prerequisites pre N=400 re-kick-a ratifikovani kao non-negotiable:
+
+1. **Lock semantics clarification memo** (Path L-1 preferred, L-2 fallback sa manifest v5 trigger)
+2. **Runner early-exit RCA memo** (tech-debt preferred, patch-required triggers manifest v5)
+3. **Gate P+ pre-flight probe** (50 Gemini calls u 30s, 0 × 429 required)
+
+Sva tri moraju biti PM-ratifikovana pre re-kick autorizacije.
+
+## Billing state
+
+- Account: Egzakta (ID 01DBA5-921E58-9DAF46)
+- Tier: **Tier 2 LIVE** 2026-04-24
+- Credit balance: $63.20
+- Visa ending 7475, postpay mode
+
+## Odbačene opcije
+
+- C (judge swap) → §5.2 break
+- D (token-bucket limiter) → code-freeze break
+- E (Promise.allSettled + quorum) → code-freeze + §5.2 break
+- G (no-op) → bad EV
+
+## Fallback
+
+- **Option B** (manifest v5, concurrency=1, ~16h wall-clock) ako bilo koji prerequisite pokrene manifest v5 trigger
+- **Option F** (stop at Gate C, publish sa caveats) kao last-resort
+
+## Carry-over
+
+Task 2.6 entries:
+- Subject-only per-cell budget gap (`runner.ts:396`, `line 428`)
+- Judge-ensemble defensive error handling (Promise.allSettled + quorum, ako RCA potvrdi "isključivo 429")
+- Runner-lock race permanent fix (ako §1.1 Path L-1 prođe waiver)
+- Gate P+ probe template (reusable pre-flight check)
+
+## Reference
+
+- Brief: `briefs/2026-04-24-cc-task25-stage3-rekick-option-a.md`
+- Deviation halt: `sessions/2026-04-24-task25-stage3-n400-deviation-halt.md`
+- Manifest v4 MD: `D:\Projects\waggle-os\benchmarks\results\manifest-v4-preregistration.md`
+- Manifest v4 YAML: `D:\Projects\waggle-os\benchmarks\results\manifest-v4-preregistration.yaml`