Advance CUST-WP-0025: close T16/T17, add canon and fin-hub bootstrap

- Mark T16/T17 done with cutover evidence and decision coupling doc
- Add business-model-canvas and bootstrap-protocol canon (T20/T21)
- Record Core Hub readiness-summary evidence stubs
- Refresh fos-hub-bootstrap-sequence-status and core-hub-replacement-evidence

workplans/CUST-WP-0053-coordination-hygiene-improvements.md

@@ -4,11 +4,11 @@ type: workplan
 title: "Coordination hygiene: unblock sweep, inbox triage, workplan lint"
 domain: infotech
 repo: the-custodian
-status: proposed
+status: finished
 owner: the-custodian
 topic_slug: custodian
 created: "2026-07-01"
-updated: "2026-07-01"
+updated: "2026-07-08"
 state_hub_workstream_id: "735a9026-9731-4d56-94a2-1fa485f58889"
 ---
 
@@ -33,7 +33,7 @@ anchored here rather than in any single railiance repo.
 
 ```task
 id: CUST-WP-0053-T01
-status: todo
+status: done
 priority: high
 state_hub_task_id: "d570829d-7ccb-4a84-b91c-a90bc062d414"
 ```
@@ -48,7 +48,7 @@ and raises a warning ("blocker may have cleared") in the repo brief.
 
 ```task
 id: CUST-WP-0053-T02
-status: todo
+status: done
 priority: medium
 state_hub_task_id: "612d23b9-90f4-409b-9da0-b80483e49b28"
 ```
@@ -63,7 +63,7 @@ state_hub_task_id: "612d23b9-90f4-409b-9da0-b80483e49b28"
 
 ```task
 id: CUST-WP-0053-T03
-status: todo
+status: done
 priority: medium
 state_hub_task_id: "8143ef3d-48e5-4c11-8898-8d3ca8c0bbee"
 ```
@@ -77,7 +77,7 @@ renames — but new plans must conform) and detect cross-repo id collisions.
 
 ```task
 id: CUST-WP-0053-T04
-status: todo
+status: done
 priority: low
 state_hub_task_id: "039a7ec2-581c-4e84-bcf7-731bb38d1b17"
 ```
@@ -90,7 +90,7 @@ live workplan statuses, so agents don't orient on wrong facts.
 
 ```task
 id: CUST-WP-0053-T05
-status: todo
+status: done
 priority: low
 state_hub_task_id: "b906b3da-43f0-4f1d-9759-b790b1ff52ff"
 ```