feat: add workplan aliases and legacy meter

Adds preferred workplan REST/event surfaces, legacy-meter telemetry and weekly review summaries, documentation/dashboard terminology updates, dashboard API loading fixes, and close-out sync for STATE-WP-0052 and STATE-WP-0054.

api/routers/execution.py

@@ -1,6 +1,6 @@
 import uuid
 
-from fastapi import APIRouter, Depends, HTTPException, Query, status
+from fastapi import APIRouter, Depends, HTTPException, Query, Request, Response, status
 from sqlalchemy import select
 from sqlalchemy.ext.asyncio import AsyncSession
 
@@ -27,6 +27,7 @@ from api.services.execution_queue import (
     queue_sort_key,
     workstream_blockers,
 )
+from api.routers.workstreams import _legacy_key, _meter_legacy_route
 from api.workplan_status import CLOSED_WORKSTREAM_STATUSES, normalize_workstream_status
 
 router = APIRouter(prefix="/execution", tags=["execution"])
@@ -43,15 +44,15 @@ async def execution_semantics() -> ExecutionSemantics:
     )
 
 
-@router.patch("/workstreams/{workstream_id}/intent", response_model=ExecutionIntentRead)
-async def update_execution_intent(
+async def _update_execution_intent(
+    *,
     workstream_id: uuid.UUID,
     body: ExecutionIntentUpdate,
-    session: AsyncSession = Depends(get_session),
+    session: AsyncSession,
 ) -> ExecutionIntentRead:
     ws = await session.get(Workstream, workstream_id)
     if ws is None:
-        raise HTTPException(status_code=404, detail="Workstream not found")
+        raise HTTPException(status_code=404, detail="Workplan not found")
 
     for field, value in body.model_dump(exclude_unset=True).items():
         setattr(ws, field, value)
@@ -60,6 +61,33 @@ async def update_execution_intent(
     return _intent_read(ws)
 
 
+@router.patch("/workstreams/{workstream_id}/intent", response_model=ExecutionIntentRead)
+async def update_execution_intent(
+    request: Request,
+    response: Response,
+    workstream_id: uuid.UUID,
+    body: ExecutionIntentUpdate,
+    session: AsyncSession = Depends(get_session),
+) -> ExecutionIntentRead:
+    await _meter_legacy_route(
+        session=session,
+        request=request,
+        response=response,
+        interface_key=_legacy_key("PATCH", "/execution/workstreams/{workstream_id}/intent"),
+        replacement_ref="/execution/workplans/{workplan_id}/intent",
+    )
+    return await _update_execution_intent(workstream_id=workstream_id, body=body, session=session)
+
+
+@router.patch("/workplans/{workplan_id}/intent", response_model=ExecutionIntentRead)
+async def update_workplan_execution_intent(
+    workplan_id: uuid.UUID,
+    body: ExecutionIntentUpdate,
+    session: AsyncSession = Depends(get_session),
+) -> ExecutionIntentRead:
+    return await _update_execution_intent(workstream_id=workplan_id, body=body, session=session)
+
+
 @router.get("/workplan-stack", response_model=list[WorkplanQueueItem])
 async def workplan_stack(
     include_manual: bool = Query(True),