feat(tasks): adopt canonical task statuses

api/schemas/state.py

@@ -30,11 +30,11 @@ class WorkstreamTotals(BaseModel):
 
 
 class TaskTotals(BaseModel):
+    wait: int = 0
     todo: int = 0
-    in_progress: int = 0
-    blocked: int = 0
+    progress: int = 0
     done: int = 0
-    cancelled: int = 0
+    cancel: int = 0
     total: int = 0
 
 
@@ -75,7 +75,8 @@ class StateSummary(BaseModel):
     totals: Totals
     topics: list[TopicWithWorkstreams]
     blocking_decisions: list[DecisionRead]
-    blocked_tasks: list[TaskRead]
+    waiting_tasks: list[TaskRead]
+    blocked_tasks: list[TaskRead] = []
     recent_progress: list[ProgressEventRead]
     open_workstreams: list[WorkstreamWithDeps]
     next_steps: list[NextStep] = []