docs: add GLD pricing and underlying selector roadmap items

docs/roadmap/ROADMAP.yaml

@@ -1,5 +1,5 @@
 version: 1
-updated_at: 2026-03-26
+updated_at: 2026-03-27
 structure:
   backlog_dir: docs/roadmap/backlog
   in_progress_dir: docs/roadmap/in-progress
@@ -13,9 +13,13 @@ 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:
+  - PRICING-001
+  - PRICING-003
   - EXEC-002
+  - PRICING-002
   - DATA-002A
   - DATA-001A
+  - DATA-004
   - OPS-001
   - BT-003
   - BT-002A
@@ -39,10 +43,14 @@ recently_completed:
   - CORE-002B
 states:
   backlog:
+    - PRICING-001
+    - PRICING-003
+    - PRICING-002
+    - EXEC-002
     - DATA-002A
     - DATA-001A
+    - DATA-004
     - OPS-001
-    - EXEC-002
     - BT-003
     - BT-002A
   in_progress: []