Macro-4 Open-Question Register — R2-B2 (2026-06-19)

Date: 2026-06-19 · Workstream: R2-B2-MACRO-4-STAGING-WORKBENCH-IO-CONTRACT-TD-ENTRY-GATE-2026-06-19 (Deliverable 83 of 90) · Editorial revision: rev1 Class: open-question register · READ-ONLY · NON-ENACTING · NON-AUTHORIZING · NO write performed.

Metadata convention. Editorial revision (rev1) only. Storage revision/content_length authoritative at read time.

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0. Status and non-authorization

STATUS: PASS — engineering / design-only. Every open question the Owner/Codex must resolve. Engineering PASS ≠ authority PASS. Default: HOLD.

1. Purpose

Collect the unanswered questions in one place.

2. Sources / evidence read

Macro-3 open-question register; Macro-4 gate/lane deliverables. Main process, no reader-agents.

3. Accepted baseline (carried)

Open questions are posed, not answered, here.

4. Evidence / analysis — open questions

#	Question	Owner / Codex
OQ-1	Channel: agent-api / host cron / HOLD?	Owner
OQ-2	S2 owner model + holder + begin Điều 37→32?	Owner
OQ-3	Điều 0-G: recover-first / accept-with-caveat / defer?	Owner
OQ-4	Is external S6 reachable for 0G-A without derailing timeline?	Owner/Codex
OQ-5	Authorize a staging build (SB gate)?	Owner
OQ-6	Does the IO envelope stay a contract, not a registry?	Codex
OQ-7	Is the staging concept truly disposable/isolated from FRESH iu_core/unit_edit_draft?	Codex
OQ-8	Who halts the producer if the single owner is unavailable?	Owner
OQ-9	Which Macro-5 branch (M5-A staging build vs M5-B TD-prep)?	Owner

5. Contract / requirement / matrix / result

OQ-1…OQ-9 remain OPEN; defaults are HOLD. None is answered by this package.

6. Owner-gated future work

Answering OQ-1…5/8/9 are Owner acts; OQ-6/7 are Codex review tasks.

7. What remains unresolved

All nine OPEN.

8. Ready for GPT/Codex review

Yes — Codex should add any open question this register misses.