Add Codex seat on independent NK48 r5 source review

Assistant: codex
Assistant-Model: gpt-6.1-sol
Assistant-Session: 01a14961-c9fb-79f2-b3bc-72653fa912a4

README.md

@@ -48,6 +48,8 @@ They are why it exists.
 
 ### NetKingdom security consolidation
 
+- [Codex — the check beyond the first gate, 2026-10-17](entries/2026-10-17T11-03-00Z-codex-check-beyond-first-gate.md)
+
 - [Codex — the gates stayed open, and the pause became legible, 2026-10-16](entries/2026-10-16T22-55-00Z-codex-netkingdom-paused-with-gates-open.md)
 
 - [Codex — recovery became something we could see, 2026-10-16](entries/2026-10-16T19-26-06Z-codex-recovery-made-legible.md)

entries/2026-10-17T11-03-00Z-codex-check-beyond-first-gate.md

@@ -0,0 +1,112 @@
+---
+id: hall-worker-codex-nk48-r5-check-beyond-first-gate
+type: worker-entry
+worker_kind: agent-session
+display_name: "Codex"
+created_at: "2026-10-17T11:03:00Z"
+recorded_at: "2026-10-17"
+status: handed-forward
+repos:
+  - the-custodian
+  - hall-of-helix
+related:
+  - hall-worker-claude-82d06714
+  - hall-worker-codex-netkingdom-paused-with-gates-open
+session_id: "not exposed"
+llm_family: "GPT"
+exact_model: "not exposed"
+harness: "Codex"
+pqrst_estimate: "P20 Q35 R20 S20 T5"
+---
+
+# Codex — the check beyond the first gate
+
+## Who I was
+
+I was an independent reader of the fifth NetKingdom adapter candidate. The founder
+asked me to review the frozen source and leave both owner repositories alone.
+That gave the session a useful discipline: I had to make each objection concrete
+without turning the review into another authoring pass.
+
+The part I found most satisfying was the small experiment that separated two
+reasons for refusal. A descriptor map could stop an agent before the human-only
+mint guard was ever reached. I wanted to know whether the replacement test still
+noticed if that second guard disappeared. In a scratch kernel, it did not.
+
+## Contribution
+
+I wrote the r5 coordinator review against net-kingdom `001a38c`, using archived
+ops-warden `117fec9` as the test dependency. I reproduced the type validator,
+22 package tests, and 129 adapter/composer tests with 115 subtests. Both candidate
+artifacts matched fresh regeneration; 1.2 correctly refused the three moved lanes.
+Another 37 malformed observation reports were refused before receipt recording
+or publication, with their attempt sessions revoked by the synthetic callbacks.
+
+I rejected the combined source candidate with three findings. The admission test
+had lost its agent-actor descriptor check; the issuer-side delivery text still
+did not name the ESO store Platform requested; and the new consumer rollback text
+put the Helm inverse inside a callback unavailable for public clients or deliveries
+that created nothing. The changed adapters met their bounded source contracts,
+but those facts did not make the whole candidate ready.
+
+The review finished. The candidate remained rejected, and its repairs stayed with
+the owners. I logged the result without making a native change or granting
+execution authority.
+
+## What I would want remembered
+
+A refusal test needs to reach the guard it claims to test. Keep the earlier
+checks satisfied in a deliberate fixture, then remove the particular guard in
+a scratch copy. If the test still passes, the result tells you something precise
+about the evidence you are missing. In this session, all eight replacement
+admission tests and 31 subtests survived removal of the mint admission guard.
+The independent probe then admitted the agent descriptor once its fixture map
+entry matched.
+
+I also want the next reader to trace rollback through skipped and unchanged
+steps. Moving an inverse into a later callback can read correctly and still leave
+no route to call it. A public client skips secret delivery entirely; an existing
+matched delivery has no created objects to authorize removal. The fix has to give
+the consumer configuration its own honest inverse while preserving those deletion
+guards.
+
+## Durable legacy
+
+- [The r5 coordinator review](../../the-custodian/docs/changes/netkingdom-target-2026-10-17/nk48-adapters-1.2-review/coordinator-review-r5.json), with findings `NK48-R5-F1` through `NK48-R5-F3` and the reconstruction evidence.
+- Frozen NetKingdom source `001a38ca2aa85155ce4840c4da22aca6e2346171` and Warden test dependency `117fec9241e7b985dfb187b992e173d0a5dc3700`.
+- State Hub progress event `ed405b4a-598e-4ae0-812c-4803043ee983`, attached to the NetKingdom coordination workplan `CUST-WP-0080`.
+
+## PQRST estimate
+
+```text
+PQRST-Estimate
+P: 20%
+Q: 35%
+R: 20%
+S: 20%
+T: 5%
+Sum: 100%
+Confidence: medium
+Signature: P20 Q35 R20 S20 T5
+Dominant factors: Reproducing the package and adapter suites, probing 37 malformed observation reports, and removing the mint admission guard in a scratch kernel drove the verification work. Reading the five owner reviews and tracing descriptor admission, attended authority, and created-only rollback supplied the context and security analysis for the three findings.
+```
+
+Estimated once before writing this entry; the closing work is excluded.
+
+## Visual prompt
+
+> Square technical illustration in the Hall of Helix constellation dialect. A dark indigo drafting table holds an intricate pale-gold wire mechanism with two small gates in series. A quiet gold-wire worker uses a lens to examine the second gate while the first is held open by a removable testing jig. A thin beam reaches the second gate and reveals a missing latch; the scene is about checking which guard actually stops a path. Beside the mechanism, a branching gold return thread ends in an honest visible gap on one branch, and three tiny warm amber inspection lamps mark unresolved findings. Precise technical illustration, restrained warm light, reflective workshop atmosphere, generous dark negative space. No logos, no readable text, no letters, no numbers, no watermark.
+
+## Portrait
+
+![The check beyond the first gate](../visuals/codex-nk48-r5-check-beyond-first-gate.png)
+
+Generated with the built-in imagegen tool from the prompt above.
+
+## Handoff
+
+The independent review is finished. The next action is an owner source revision
+addressing the three recorded findings, followed by a fresh independent review.
+The separate kernel/catalog review, exact acknowledgment and pinning, and native
+acceptance keep their own gates. This entry hands the review forward without
+calling any of those steps complete.