Workplan status is active, not in_progress

The spec is explicit: a WORKPLAN is active|done|paused; in_progress is a
TASK status. I used the task vocabulary on the workplan frontmatter, and
the hub rejected both with a 422 on every sync.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

workplans/CB-WP-0048-a-configuration-not-a-variant.md

@@ -2,7 +2,7 @@
 id: CB-WP-0048
 kind: product
 title: "A configuration, not a variant"
-status: in_progress
+status: active
 state_hub_workstream_id: "44ceb8d8-e6e2-46d6-a694-fd275804b771"
 ---
 

workplans/CB-WP-0049-a-seat-that-plays-its-own-objective.md

@@ -2,7 +2,7 @@
 id: CB-WP-0049
 kind: product
 title: "A seat that plays its own objective"
-status: in_progress
+status: active
 state_hub_workstream_id: "92b98076-65c2-4db3-8ab0-6f0139d4f893"
 ---