docs(CORE-WP-0010): propose runtime absorption and archive

Parent prj-state-hub-retirement SHR-WP-0001 stream S3.

workplans/CORE-WP-0010-runtime-absorption-and-archive.md

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+---
+id: CORE-WP-0010
+type: workplan
+title: "Runtime absorption into hub-core and archive"
+domain: infotech
+repo: core-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:
+  - CORE-WP-0009
+  - HUB-WP-0004
+  - SHR-ARCH-HUB-0001
+---
+
+# Runtime absorption into hub-core and archive
+
+## Goal
+
+Move production framework responsibility from this repository into the
+consolidated **hub-core runtime**, preserve `/api/v2` consumer compatibility
+through dual-run, then **archive core-hub** read-only with evidence.
+
+Parent project: `prj-state-hub-retirement`. Depends on **HUB-WP-0004**.
+
+## Inventory runtime surfaces to absorb
+
+```task
+id: CORE-WP-0010-T01
+status: todo
+priority: high
+```
+
+List routes, models, widgets, manifests, consumer smokes, and deploy assets that
+must move or remain as historical fixtures. Cross-check Inter-Hub inventory and
+ops-hub bootstrap.
+
+## Dual-run design
+
+```task
+id: CORE-WP-0010-T02
+status: todo
+priority: high
+```
+
+Define how hub-core serves equivalent `/api/v2` (or compatible gateway) while
+core-hub remains rollback. Include feature flags, traffic shift, and smoke
+ownership.
+
+## Execute absorption slices
+
+```task
+id: CORE-WP-0010-T03
+status: todo
+priority: high
+```
+
+Migrate in slices with consumer smokes (ops-hub, activity-core) after each.
+Record row counts and fixture replays per slice.
+
+## Cutover production traffic
+
+```task
+id: CORE-WP-0010-T04
+status: todo
+priority: high
+```
+
+With operator approval, point production at hub-core runtime; verify consumer
+smokes and interaction evidence path.
+
+## Archive repository
+
+```task
+id: CORE-WP-0010-T05
+status: todo
+priority: medium
+```
+
+Write completion record (revisions, PRs, residual owners), set read-only archive
+on forge, and hand residual work as live records outside this repo.
+
+## Acceptance
+
+- [ ] Absorption inventory complete
+- [ ] Dual-run design approved/recorded
+- [ ] Consumer smokes pass on hub-core host
+- [ ] Production traffic cut over with evidence
+- [ ] core-hub archived read-only; residuals owned elsewhere