docs(BT-003B): record completed drilldown validation

docs/roadmap/ROADMAP.yaml

@@ -13,7 +13,6 @@ notes:
   - Pre-alpha policy: we may cut or replace old features without backward compatibility until alpha is declared.
   - Alpha migration policy: once alpha is declared, compatibility only needs to move forward; backward migrations are not required.
 priority_queue:
-  - DEV-DOCKER-001
   - PORT-003
   - BT-002
   - BT-001C
@@ -24,6 +23,7 @@ priority_queue:
   - OPS-001
   - BT-003
 recently_completed:
+  - BT-003B
   - CORE-001D
   - CORE-001D3C
   - CORE-001D2D
@@ -41,15 +41,13 @@ states:
     - DATA-002A
     - DATA-001A
     - OPS-001
-    - DEV-DOCKER-001
     - PORT-003
     - EXEC-001
     - EXEC-002
     - BT-002
     - BT-003
     - BT-001C
-  in_progress:
-    - BT-003B
+  in_progress: []
   done:
     - DATA-001
     - DATA-002
@@ -64,6 +62,7 @@ states:
     - BT-001
     - BT-001A
     - BT-003A
+    - BT-003B
     - CORE-001A
     - CORE-001B
     - CORE-001C