Add client billing and cost evidence workplans

workplans/FIN-WP-0003-fabric-authority-boundary.md

@@ -15,6 +15,7 @@ related:
   - FIN-WP-0001
   - SHR-INV-0001
   - STATE-WP-0079
+state_hub_workstream_id: "1f6698f4-65b9-4e3b-bdf5-b079341e4581"
 ---
 
 # Fabric authority boundary for State Hub retirement
@@ -31,6 +32,7 @@ define any hub-core projection, and support State Hub fabric route disposition
 id: FIN-WP-0003-T01
 status: todo
 priority: high
+state_hub_task_id: "4471c006-5740-4241-8c81-251134c82f0d"
 ```
 
 Document which fabric entities/APIs are authoritative here vs State Hub read
@@ -42,6 +44,7 @@ models; publish consumer contract for migration.
 id: FIN-WP-0003-T02
 status: todo
 priority: high
+state_hub_task_id: "76c7ed79-8614-4e42-9e4c-f50bf789b584"
 ```
 
 With STATE-WP-0079, plan cutover for fabric ingest/read routes and dashboard
@@ -53,6 +56,7 @@ consumers; row-count and provenance checks.
 id: FIN-WP-0003-T03
 status: todo
 priority: low
+state_hub_task_id: "ae36e4e7-c39d-4027-bc49-e7abb52fb9e1"
 ```
 
 If orientation needs a hub-core projection, define port usage without copying