diff --git a/workplans/MKTT-WP-0019-source-adapter-contract-refinement.md b/workplans/MKTT-WP-0019-source-adapter-contract-refinement.md
index e92c97f..9917c07 100644
--- a/workplans/MKTT-WP-0019-source-adapter-contract-refinement.md
+++ b/workplans/MKTT-WP-0019-source-adapter-contract-refinement.md
@@ -17,7 +17,7 @@ related_workplans:
   - MKTT-WP-0011
 created: "2026-05-14"
 updated: "2026-05-14"
-state_hub_workstream_id: "702e94d9-35e8-4a83-b0ea-40cc19afbe51"
+state_hub_workstream_id: "10a85934-a4b2-4661-83f7-92ac8d322af4"
 ---
 
 # MKTT-WP-0019: Source Adapter Contract Refinement
@@ -84,7 +84,7 @@ The v1 source adapter contract should be:
 id: MKTT-WP-0019-T001
 status: done
 priority: high
-state_hub_task_id: "0aa1d9a3-6cf8-47ab-8585-f23b2512d19b"
+state_hub_task_id: "7ecc6976-c549-47ba-9a16-4d55d1173b41"
 ```
 
 Define the v1 source adapter scope:
@@ -109,7 +109,7 @@ and compatibility boundary for `markitect-filter`.
 id: MKTT-WP-0019-T002
 status: done
 priority: high
-state_hub_task_id: "fabd3e76-3c2c-43cb-92b2-2322bd933fa7"
+state_hub_task_id: "7b164d67-8374-4aea-9948-f54912ef4cf5"
 ```
 
 Specify the field-level v1 model for:
@@ -141,7 +141,7 @@ examples.
 id: MKTT-WP-0019-T003
 status: done
 priority: high
-state_hub_task_id: "2d559e3b-1515-4c88-8ed9-3895026cd2ca"
+state_hub_task_id: "f7cc1956-a6f3-4181-b4df-786cbba39198"
 ```
 
 Define the v1 read protocol:
@@ -168,7 +168,7 @@ and dependency-missing inputs.
 id: MKTT-WP-0019-T004
 status: done
 priority: high
-state_hub_task_id: "3d661d24-2496-405a-b525-c7e6d8eb4e68"
+state_hub_task_id: "5db7448c-c0d0-48eb-8e44-9f694782af7f"
 ```
 
 Define how external source adapter packages register with `markitect-tool`:
@@ -197,7 +197,7 @@ provides the fake entry point fixture.
 id: MKTT-WP-0019-T005
 status: done
 priority: medium
-state_hub_task_id: "2c30b0c7-683e-4d60-8268-0b49660f2e30"
+state_hub_task_id: "b57a2fd1-e528-4481-b11b-12b15979a85f"
 ```
 
 Specify the public source commands and library functions:
@@ -225,7 +225,7 @@ fixtures.
 id: MKTT-WP-0019-T006
 status: done
 priority: high
-state_hub_task_id: "f6845a4d-3465-40b3-970a-714cfafe282c"
+state_hub_task_id: "a7cb10fd-e1bd-4aee-81af-c93f09496ff8"
 ```
 
 Define the contract tests that `MKTT-WP-0018` must implement: