Improve backtest lazy loading and test automation

docs/roadmap/ROADMAP.yaml

@@ -1,5 +1,5 @@
 version: 1
-updated_at: 2026-03-29
+updated_at: 2026-04-07
 structure:
   backlog_dir: docs/roadmap/backlog
   in_progress_dir: docs/roadmap/in-progress
@@ -13,16 +13,18 @@ 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:
-  - EXEC-002
-  - DATA-DB-005
+  - DATA-DB-007
   - DATA-002A
   - DATA-001A
+  - DATA-DB-005
   - OPS-001
   - BT-003
   - BT-002A
   - GCF-001
   - DATA-DB-006
+  - EXEC-002
 recently_completed:
+  - UX-002
   - BT-004
   - BT-005
   - CORE-003
@@ -50,15 +52,16 @@ recently_completed:
   - CORE-002B
 states:
   backlog:
+    - DATA-DB-007
     - DATA-DB-005
     - DATA-DB-006
-    - EXEC-002
     - DATA-002A
     - DATA-001A
     - OPS-001
     - BT-003
     - BT-002A
     - GCF-001
+    - EXEC-002
   in_progress: []
   done:
     - BT-004
@@ -109,5 +112,6 @@ states:
     - CORE-002B
     - CORE-002C
     - UX-001
+    - UX-002
   blocked: []
   cancelled: []