docs(OPS-WP-0003): propose extension contract alignment

Parent prj-state-hub-retirement SHR-WP-0001 stream S6.

workplans/OPS-WP-0003-extension-contract-alignment.md

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+---
+id: OPS-WP-0003
+type: workplan
+title: "Extension contract alignment"
+domain: infotech
+repo: ops-hub
+status: proposed
+owner: codex
+topic_slug: infotech
+created: "2026-08-09"
+updated: "2026-08-09"
+parent_project: prj-state-hub-retirement
+parent_workplan: SHR-WP-0001
+related:
+  - HUB-WP-0004
+  - CORE-WP-0010
+  - SHR-ARCH-HUB-0001
+---
+
+# Extension contract alignment
+
+## Goal
+
+Make ops-hub a **conformant domain/aspect hub** under `helixforge.hub-extension`:
+descriptor, reuse-surface id, versioned manifest, health, and consumer
+registration without secrets.
+
+## Author hub package artefacts
+
+```task
+id: OPS-WP-0003-T01
+status: todo
+priority: high
+```
+
+Produce hub descriptor + capability manifest referencing
+`capability.infotech.ops-hub` (or current registry id), events emitted/consumed,
+and non-secret endpoints.
+
+## Pass Tier 2 conformance against hub-core
+
+```task
+id: OPS-WP-0003-T02
+status: todo
+priority: high
+```
+
+When HUB-WP-0004 harness exists, run C1–C10 checks; fix gaps in ops-hub.
+
+## Bootstrap dual-run on consolidated runtime
+
+```task
+id: OPS-WP-0003-T03
+status: todo
+priority: high
+```
+
+Verify bootstrap/smokes against hub-core-hosted `/api/v2` during CORE-WP-0010
+dual-run and after cutover.
+
+## Acceptance
+
+- [ ] Hub package artefacts present and versioned
+- [ ] Tier 2 conformance green (or residual-owned gaps)
+- [ ] Bootstrap works on consolidated runtime