refactor(BT-001C): share historical fixture provider

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:
-  - BT-001C
   - EXEC-001
   - EXEC-002
   - DATA-002A
@@ -22,6 +21,7 @@ priority_queue:
   - BT-003
   - BT-002A
 recently_completed:
+  - BT-001C
   - BT-002
   - PORT-003
   - BT-003B
@@ -45,7 +45,6 @@ states:
     - EXEC-001
     - EXEC-002
     - BT-003
-    - BT-001C
     - BT-002A
   in_progress: []
   done:
@@ -62,6 +61,7 @@ states:
     - EXEC-001A
     - BT-001
     - BT-001A
+    - BT-001C
     - BT-002
     - BT-003A
     - BT-003B