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Add a read-only headroom preflight before State Hub promotion.
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STATE-WP-0091: refuse Helm when remaining CPU cannot cover the API
surge, migrate hook, or unrelated pending demand. 65m fails, 105m is
narrowly sufficient, not factory admission.

Assistant: grok
Assistant-Session: 01a09dc1-b21e-77e1-919e-fcad2f82b267
This commit is contained in:
tegwick 2026-09-14 10:13:48 +02:00
parent 7a4f58b90c
commit 261a48772c
9 changed files with 446 additions and 5 deletions
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20
workplans/STATE-WP-0091-release-headroom.md
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@ -4,11 +4,11 @@ type: workplan
title: "Check release headroom and retain a capacity allocation handoff"
domain: infotech
repo: state-hub
status: ready
status: finished
owner: codex
topic_slug: infotech
created: "2026-09-10"
updated: "2026-09-10"
updated: "2026-09-14"
related: [STATE-WP-0090, RCLUSTER-WP-0014, RESOURCE-WP-0003, HFACT-WP-0001]
state_hub_workstream_id: "4c64d6a6-554d-5b16-a533-9be407fa6515"
---
@ -24,7 +24,7 @@ admission follows from this release.
```task
id: STATE-WP-0091-T01
status: todo
status: done
priority: high
state_hub_task_id: "f84c0f1b-3354-5466-a239-ef9ef85daa07"
```
@ -41,7 +41,7 @@ case, including unrelated concurrent demand. Keep atomic rollback.
```task
id: STATE-WP-0091-T02
status: todo
status: done
priority: high
state_hub_task_id: "a433e2d3-6fd4-5313-9273-e3769c2cefeb"
```
@ -58,3 +58,15 @@ allocation, procurement or scaling is authorized by this workplan. Close only
after the repeatable preflight and explicit receiving work records are verified.
Evidence: docs/evidence/2026-09-10-projection-convergence.json.
**T01 done 2026-09-14.** `scripts/release_headroom_preflight.py` plus
`make railiance-state-hub-headroom`. Fixtures prove 65m refuse, 105m narrow
pass, and 105m+50m pending refuse. Helm is not started; requests are not
lowered; `--atomic` remains required.
**T02 done 2026-09-14.** Existing 1,078 samples remain partial coverage.
Durable margin: remaining must cover 100m API surge and must refuse when
unrelated pending demand consumes the 5m sliver. Not factory admission.
Receiving records: `RCLUSTER-WP-0015`, `RESOURCE-WP-0007`, `RPF-WP-0041`.
`CUST-WP-0071` keeps weekly fleet review. Details:
`docs/evidence/2026-09-14-release-headroom.md`.