LOCKED — PM-RATIFY-VERTEX-BATCH-ELIGIBILITY Verdict, INFEASIBLE ACCEPT, Branch A CLOSED

Date: 2026-04-24 Ratified by: Marko Marković (via PM adjudication) PM: claude-opus-4-7 (Cowork) Prerequisite gate: §1.3e strict hold → §1.3f Branch A activation → Vertex AI Batch Prediction eligibility probe Probe cost: $0.02 (under $0.05 cap)

Odluka

INFEASIBLE ACCEPT — gemini-3.1-pro-preview nije u Vertex AI Batch Prediction registry-ju, iako jeste u publisher catalog-u. Branch A (Vertex Batch rerouting za Gemini cell) CLOSED permanently dok Google ne promeni product posture za preview modele. §1.3e fallback matrix redukovana na jedan aktivni branch (B).

Evidence chain

CC-1 probe (anchor 8ad0567, 9-commit parent chain od v4 anchor-a dedd698) tri data points:

REST GET publisher catalog HTTP 200 — model postoji u opštem catalog-u.
SDK BatchPredictionJob.submit() 404 na oba naming forma (gemini-3.1-pro-preview i publishers/google/models/gemini-3.1-pro-preview). Error message: The PublisherModel gemini-3.1-pro-preview does not exist.
Control test: gemini-2.5-flash submit PENDING state (job ID 7779966002640453632) kroz identičnu SDK plumbing. Control pokazuje da plumbing radi; rejection je model-specific.

Interpretacija: Vertex Batch maintain-uje separate registry od publisher catalog-a. Preview modeli su u potonjem, odsutni iz prvog. Error message je semantički misleading ("does not exist") ali operativno jasan: not batch-enabled.

Scope discipline

CC-1 ispoštovao sve guards:

§11 frozen paths netaknuti (runner, judge-runner, failure-mode-judge, health-check, litellm-config.yaml)
Manifest v5 anchor fc16925 intact, NO v6 emission
Ne Vertex adapter u benchmark execution path-u
Samo benchmarks/probes/vertex-batch-eligibility/ + .gitignore + .gitattributes modifikovani (doc-infra additions za probe artefact pass-through + LF pin)
NO N=400 kick attempted
pip install google-cloud-aiplatform google-cloud-storage — pre-authorized one-off, versions logged u memo-u

Artefakt SHAs LF-pinned:

script: 4c30d25e...
input: 2c90f83b...
log: 5ef76b46...
memo: f3c0a747...
output: NOT CREATED (correct under INFEASIBLE)

Posledice za §1.3e fallback matrix

Bila: tri branka (A — Vertex Batch; B — manifest v6 reduced; C — P8 multi-project). Sad: jedan aktivni branch (B).

Branch A (Vertex Batch): CLOSED. Preview model ne eligible. Future: kada gemini-3.1-pro-preview promoted u GA, batch eligibility tipično sledi. Strategic signal za kalendar, ne immediate action.
Branch B (Manifest v6 reduced Gemini coverage): STANDBY. Aktivacija samo ako Google quota ticket ne stigne do 2026-04-26 18:00 CET.
Branch C (P8 multi-project): već odbačen pre §1.3f (audit/ToS rizik).

Matrix binary sada

Google approval ≤48h → GATE-D-REKICK-GO sa pre-flight sequence (gcloud quota verify + probe v3 + N=400 kick). Manifest v5 path po planu.
Google ne-approval @ 48h checkpoint → Branch B pivot = manifest v6 proposal brief (Gemini judge samo na primary hypothesis cells, ~800 calls umesto 2005; Opus+GPT duo nosi sekundarne cells; small κ re-validation $15-30).

Nus-produkt (permanent retention)

gcloud SDK + ADC na CC-1 hostu ostaje operational za §1.3e GATE-D-REKICK-GO Step 1 (gcloud alpha services quota list). Python SDK-ovi (google-cloud-aiplatform, google-cloud-storage) ostaju za eventualne buduće Vertex potrebe. P-A1 investicija (~15 min) trajno korisna, ne propada sa Branch A retraction-om.

GCS bucket egzakta-vertex-batch-probe-2026-04 ostaje u projektu gen-lang-client-0674908699; trivial storage cost, Marko discretion da obriše posle 7 dana.

Parent commit chain

fc16925  v5 anchor (MD/YAML pre-registration)
ad324cc  Step 2 primary rpm:20 (gemini-3.1-pro alias)
3a146ef  §1.3c probe v2 PASS (30/30 HTTP 200)
e5696f4  Fold-in 3.5a alias naming reconciliation
d0ab680  Fold-in 3.5b sibling alias defensive mirror
1d3851d  §1.3e RPD feasibility memo
8ad0567  §1.3f Vertex Batch eligibility probe INFEASIBLE

8 commits (tačno) od v4 anchor dedd698. HEAD intact. Zero N=400 calls executed.

Task #29 progress

§1.1 Path L-1 ✓
§1.2 Task 2.6 path ✓
§1.3 FAIL → §1.3b IN_SCOPE ✓
§1.3c PASS ✓
§1.3e RPD strict hold ✓
§1.3f Vertex Batch INFEASIBLE ✓ → Branch A CLOSED
GATE-D-REKICK-GO blocked: Google quota approval pending
48h checkpoint: 2026-04-26 18:00 CET → Branch B activation if no approval

CC-1 state

HALTED. Awaiting either: (a) Marko ping "Google approval confirmed" → PM emituje GATE-D-REKICK-GO brief sa pre-flight sequence-om; (b) Marko ping "48h timeout" @ 2026-04-26 18:00 → PM emituje manifest v6 proposal brief za Branch B.

Odbacivanja

Retry na different region (npr. europe-west4 umesto us-central1): rejection je model-specific not region-specific; control test prošao u us-central1, isti plumbing radi.
Workaround kroz batch-eligible substitute model (Gemini 2.5 Pro batch): §5.2 consistency_constraint break + judge ensemble quality degradation. Odbačeno kao i P3 ranije.
Retry za 24h: Google batch registry promene sa GA promotion-om, ne na dnevnoj osnovi. Čekanje je bez merit-a.

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