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.

AGENTS.md

@@ -27,8 +27,8 @@ there is no MCP server for Codex agents.
 # Offline brief — works without hub connection
 cat .custodian-brief.md
 
-# Active workstreams for this domain
-curl -s "http://127.0.0.1:8000/workstreams/?topic_id=cee7bedf-2b48-46ef-8601-006474f2ad7a&status=active" \
+# Active workplans for this domain
+curl -s "http://127.0.0.1:8000/workplans/?topic_id=cee7bedf-2b48-46ef-8601-006474f2ad7a&status=active" \
   | python3 -m json.tool
 
 # Check inbox
@@ -80,7 +80,7 @@ curl -s -X PATCH "http://127.0.0.1:8000/tasks/<task_id>" \
 ## Session Protocol
 
 **Start:**
-1. `cat .custodian-brief.md` — domain goal and open workstreams (offline-safe)
+1. `cat .custodian-brief.md` — domain goal and open workplans (offline-safe)
 2. Check inbox: `GET /messages/?to_agent=state-hub&unread_only=true`; mark read
 3. Scan workplans: `ls workplans/` — note `status: ready`, `active`, or `blocked` files and open tasks
 4. Check human-needed tasks: `GET /tasks/?needs_human=true`
@@ -135,6 +135,10 @@ state_hub_workstream_id: "<uuid>"   # written by fix-consistency — do not edit
 ---
 ```
 
+`state_hub_workstream_id` is the legacy bridge field for the current State Hub
+database identity. Prefer workplan-named API routes for new client code while
+this bridge field remains in compatibility use.
+
 Use `proposed` for a new draft, `ready` after review against current repo
 state, and `finished` after implementation. `stalled` and `needs_review` are
 derived health labels, not frontmatter statuses.

README.md

@@ -186,13 +186,18 @@ Returns a full snapshot in one call — used by both the MCP server and dashboar
 | Prefix | Operations |
 |--------|-----------|
 | `/topics` | CRUD (soft-delete: `archived`) |
-| `/workstreams` | CRUD (soft-delete: `archived`) |
+| `/workplans` | Preferred CRUD surface for repo-backed workplans (soft-delete: `archived`) |
+| `/workstreams` | Legacy compatibility CRUD surface; usage is recorded by legacy-meter |
 | `/tasks` | CRUD (soft-delete: `cancel`); `PATCH` updates status |
 | `/decisions` | CRUD (soft-delete: `superseded`); auto-escalation |
 | `/progress` | `GET` list + `POST` append — no DELETE |
+| `/legacy-meter` | Register, meter, and review legacy interface usage |
 | `/state/summary` | Full snapshot |
 | `/state/health` | DB connectivity check |
 
+See `docs/workplan-terminology-transition.md` for the workstream-to-workplan
+compatibility policy and retirement criteria.
+
 ---
 
 ## MCP Server

api/main.py

@@ -19,6 +19,7 @@ from api.routers import recently_on_scope
 from api.routers import reconciliation
 from api.routers import execution
 from api.routers import fabric
+from api.routers import legacy_meter
 
 
 class ETagMiddleware(BaseHTTPMiddleware):
@@ -69,7 +70,12 @@ app = FastAPI(
     lifespan=lifespan,
 )
 
-_cors_env = os.getenv("CORS_ORIGINS", "http://localhost:3000,http://127.0.0.1:3000")
+_default_dashboard_origins = [
+    *(f"http://localhost:{port}" for port in range(3000, 3006)),
+    *(f"http://127.0.0.1:{port}" for port in range(3000, 3006)),
+    *(f"http://[::1]:{port}" for port in range(3000, 3006)),
+]
+_cors_env = os.getenv("CORS_ORIGINS", ",".join(_default_dashboard_origins))
 _cors_origins = [o.strip() for o in _cors_env.split(",") if o.strip()]
 
 app.add_middleware(ETagMiddleware)
@@ -87,7 +93,9 @@ app.include_router(recently_on_scope.router)
 app.include_router(repos.router)
 app.include_router(topics.router)
 app.include_router(workstreams.router)
+app.include_router(workstreams.workplan_router)
 app.include_router(workstream_dependencies.router)
+app.include_router(workstream_dependencies.workplan_router)
 app.include_router(tasks.router)
 app.include_router(decisions.router)
 app.include_router(extension_points.router)
@@ -106,6 +114,7 @@ app.include_router(flows.router)
 app.include_router(reconciliation.router)
 app.include_router(execution.router)
 app.include_router(fabric.router)
+app.include_router(legacy_meter.router)
 app.include_router(state.router)
 app.include_router(policy.router)
 

api/models/__init__.py

@@ -23,6 +23,7 @@ from api.models.token_event import TokenEvent
 from api.models.interface_change import InterfaceChange
 from api.models.workplan_launch_request import WorkplanLaunchRequest
 from api.models.fabric_graph import FabricGraphImport, FabricGraphNode, FabricGraphEdge
+from api.models.legacy_meter import LegacyInterface, LegacyInterfaceUsageBucket
 
 __all__ = [
     "Base",
@@ -50,4 +51,5 @@ __all__ = [
     "InterfaceChange",
     "WorkplanLaunchRequest",
     "FabricGraphImport", "FabricGraphNode", "FabricGraphEdge",
+    "LegacyInterface", "LegacyInterfaceUsageBucket",
 ]

api/models/legacy_meter.py

@@ -0,0 +1,79 @@
+import uuid
+from datetime import date, datetime
+
+from sqlalchemy import Boolean, Date, DateTime, ForeignKey, Index, Integer, String, Text, UniqueConstraint, func
+from sqlalchemy.dialects.postgresql import UUID
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from api.models.base import Base, TimestampMixin, new_uuid
+
+
+class LegacyInterface(Base, TimestampMixin):
+    __tablename__ = "legacy_interfaces"
+
+    id: Mapped[uuid.UUID] = mapped_column(
+        UUID(as_uuid=True), primary_key=True, default=new_uuid
+    )
+    interface_key: Mapped[str] = mapped_column(String(300), nullable=False, unique=True, index=True)
+    interface_kind: Mapped[str] = mapped_column(String(40), nullable=False, index=True)
+    legacy_since: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True), server_default=func.now(), nullable=False, index=True
+    )
+    replacement_ref: Mapped[str] = mapped_column(Text, nullable=False)
+    owner_component: Mapped[str] = mapped_column(
+        String(100), nullable=False, default="state-hub", server_default="state-hub", index=True
+    )
+    status: Mapped[str] = mapped_column(
+        String(30), nullable=False, default="legacy", server_default="legacy", index=True
+    )
+    replacement_verified: Mapped[bool] = mapped_column(
+        Boolean, nullable=False, default=False, server_default="false"
+    )
+    manual_hold: Mapped[bool] = mapped_column(
+        Boolean, nullable=False, default=False, server_default="false"
+    )
+    hold_reason: Mapped[str | None] = mapped_column(Text, nullable=True)
+    notes: Mapped[str | None] = mapped_column(Text, nullable=True)
+    retired_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
+
+    usage_buckets: Mapped[list["LegacyInterfaceUsageBucket"]] = relationship(  # noqa: F821
+        "LegacyInterfaceUsageBucket",
+        back_populates="legacy_interface",
+        cascade="all, delete-orphan",
+        lazy="selectin",
+    )
+
+
+class LegacyInterfaceUsageBucket(Base, TimestampMixin):
+    __tablename__ = "legacy_interface_usage_buckets"
+    __table_args__ = (
+        UniqueConstraint(
+            "legacy_interface_id",
+            "period_start",
+            "bucket_kind",
+            "bucket_key",
+            name="uq_legacy_usage_bucket",
+        ),
+        Index("ix_legacy_usage_interface_period", "legacy_interface_id", "period_start"),
+        Index("ix_legacy_usage_bucket_kind_key", "bucket_kind", "bucket_key"),
+    )
+
+    id: Mapped[uuid.UUID] = mapped_column(
+        UUID(as_uuid=True), primary_key=True, default=new_uuid
+    )
+    legacy_interface_id: Mapped[uuid.UUID] = mapped_column(
+        UUID(as_uuid=True),
+        ForeignKey("legacy_interfaces.id", ondelete="CASCADE"),
+        nullable=False,
+        index=True,
+    )
+    period_start: Mapped[date] = mapped_column(Date, nullable=False, index=True)
+    bucket_kind: Mapped[str] = mapped_column(String(30), nullable=False)
+    bucket_key: Mapped[str] = mapped_column(String(200), nullable=False)
+    call_count: Mapped[int] = mapped_column(Integer, nullable=False, default=0, server_default="0")
+    first_seen_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False)
+    last_seen_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False, index=True)
+
+    legacy_interface: Mapped["LegacyInterface"] = relationship(  # noqa: F821
+        "LegacyInterface", back_populates="usage_buckets"
+    )

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),

api/routers/legacy_meter.py

@@ -0,0 +1,129 @@
+import uuid
+from datetime import datetime, timedelta, timezone
+
+from fastapi import APIRouter, Depends, HTTPException, Query, status
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from api.database import get_session
+from api.models.legacy_meter import LegacyInterface
+from api.schemas.legacy_meter import (
+    LegacyInterfacePatch,
+    LegacyInterfaceRead,
+    LegacyInterfaceRegister,
+    LegacyUsageRecord,
+    LegacyUsageSummary,
+    LegacyWeeklyReview,
+)
+from api.services.legacy_meter import (
+    LegacyUsageIdentity,
+    get_legacy_interface_by_key,
+    legacy_usage_summary,
+    legacy_weekly_review,
+    list_legacy_interfaces,
+    patch_legacy_interface,
+    record_legacy_usage,
+    register_legacy_interface,
+)
+
+router = APIRouter(prefix="/legacy-meter", tags=["legacy-meter"])
+
+
+@router.post(
+    "/interfaces",
+    response_model=LegacyInterfaceRead,
+    status_code=status.HTTP_201_CREATED,
+)
+async def register_interface(
+    body: LegacyInterfaceRegister,
+    session: AsyncSession = Depends(get_session),
+) -> LegacyInterface:
+    try:
+        return await register_legacy_interface(session, **body.model_dump())
+    except ValueError as exc:
+        raise HTTPException(status_code=422, detail=str(exc)) from exc
+
+
+@router.get("/interfaces", response_model=list[LegacyInterfaceRead])
+async def list_interfaces(
+    session: AsyncSession = Depends(get_session),
+) -> list[LegacyInterface]:
+    return await list_legacy_interfaces(session)
+
+
+@router.get("/interfaces/by-key", response_model=LegacyInterfaceRead)
+async def get_interface_by_key(
+    interface_key: str = Query(...),
+    session: AsyncSession = Depends(get_session),
+) -> LegacyInterface:
+    interface = await get_legacy_interface_by_key(session, interface_key)
+    if interface is None:
+        raise HTTPException(status_code=404, detail=f"Legacy interface '{interface_key}' not found")
+    return interface
+
+
+@router.patch("/interfaces/{interface_id}", response_model=LegacyInterfaceRead)
+async def patch_interface(
+    interface_id: uuid.UUID,
+    body: LegacyInterfacePatch,
+    session: AsyncSession = Depends(get_session),
+) -> LegacyInterface:
+    interface = await session.get(LegacyInterface, interface_id)
+    if interface is None:
+        raise HTTPException(status_code=404, detail=f"Legacy interface '{interface_id}' not found")
+    try:
+        return await patch_legacy_interface(
+            session,
+            interface,
+            body.model_dump(exclude_unset=True),
+        )
+    except ValueError as exc:
+        raise HTTPException(status_code=422, detail=str(exc)) from exc
+
+
+@router.post("/usage", response_model=LegacyInterfaceRead, status_code=status.HTTP_201_CREATED)
+async def record_usage(
+    body: LegacyUsageRecord,
+    session: AsyncSession = Depends(get_session),
+) -> LegacyInterface:
+    try:
+        return await record_legacy_usage(
+            session,
+            interface_key=body.interface_key,
+            interface_kind=body.interface_kind,
+            replacement_ref=body.replacement_ref,
+            owner_component=body.owner_component,
+            replacement_verified=body.replacement_verified,
+            identity=LegacyUsageIdentity(
+                tenant_key=body.tenant_key or "unknown",
+                user_key=body.user_key or "unknown",
+                component_key=body.component_key or "unknown",
+            ),
+            observed_at=body.observed_at,
+            call_count=body.call_count,
+        )
+    except ValueError as exc:
+        raise HTTPException(status_code=422, detail=str(exc)) from exc
+
+
+@router.get("/summary", response_model=LegacyUsageSummary)
+async def usage_summary(
+    days: int = Query(7, ge=1, le=366),
+    window_start: datetime | None = None,
+    window_end: datetime | None = None,
+    session: AsyncSession = Depends(get_session),
+) -> LegacyUsageSummary:
+    end = window_end or datetime.now(tz=timezone.utc)
+    start = window_start or (end - timedelta(days=days))
+    return await legacy_usage_summary(session, window_start=start, window_end=end)
+
+
+@router.get("/weekly-review", response_model=LegacyWeeklyReview)
+async def weekly_review(
+    days: int = Query(7, ge=1, le=366),
+    window_start: datetime | None = None,
+    window_end: datetime | None = None,
+    session: AsyncSession = Depends(get_session),
+) -> LegacyWeeklyReview:
+    end = window_end or datetime.now(tz=timezone.utc)
+    start = window_start or (end - timedelta(days=days))
+    return await legacy_weekly_review(session, window_start=start, window_end=end)

api/routers/workstream_dependencies.py

@@ -1,6 +1,6 @@
 import uuid
 
-from fastapi import APIRouter, Depends, HTTPException, status
+from fastapi import APIRouter, Depends, HTTPException, Request, Response, status
 from sqlalchemy import select
 from sqlalchemy.ext.asyncio import AsyncSession
 
@@ -9,23 +9,20 @@ from api.models.task import Task
 from api.models.workstream import Workstream
 from api.models.workstream_dependency import WorkstreamDependency
 from api.schemas.workstream_dependency import WorkstreamDependencyCreate, WorkstreamDependencyRead
+from api.routers.workstreams import _legacy_key, _meter_legacy_route
 
 router = APIRouter(prefix="/workstreams", tags=["dependencies"])
+workplan_router = APIRouter(prefix="/workplans", tags=["dependencies"])
 
 
-@router.post(
-    "/{workstream_id}/dependencies/",
-    response_model=WorkstreamDependencyRead,
-    status_code=status.HTTP_201_CREATED,
-)
-async def create_dependency(
+async def _create_dependency(
+    *,
     workstream_id: uuid.UUID,
     body: WorkstreamDependencyCreate,
-    session: AsyncSession = Depends(get_session),
+    session: AsyncSession,
 ) -> WorkstreamDependency:
-    """Record that workstream_id depends on another workstream or a task."""
     if await session.get(Workstream, workstream_id) is None:
-        raise HTTPException(status_code=404, detail="from workstream not found")
+        raise HTTPException(status_code=404, detail="from workplan not found")
 
     has_workstream_target = body.to_workstream_id is not None
     has_task_target = body.to_task_id is not None
@@ -33,11 +30,11 @@ async def create_dependency(
         raise HTTPException(status_code=422, detail="provide exactly one dependency target")
 
     if body.to_workstream_id and await session.get(Workstream, body.to_workstream_id) is None:
-        raise HTTPException(status_code=404, detail="target workstream not found")
+        raise HTTPException(status_code=404, detail="target workplan not found")
     if body.to_task_id and await session.get(Task, body.to_task_id) is None:
         raise HTTPException(status_code=404, detail="target task not found")
     if workstream_id == body.to_workstream_id:
-        raise HTTPException(status_code=422, detail="a workstream cannot depend on itself")
+        raise HTTPException(status_code=422, detail="a workplan cannot depend on itself")
 
     dep = WorkstreamDependency(
         from_workstream_id=workstream_id,
@@ -52,17 +49,13 @@ async def create_dependency(
     return dep
 
 
-@router.get(
-    "/{workstream_id}/dependencies/",
-    response_model=list[WorkstreamDependencyRead],
-)
-async def list_dependencies(
+async def _list_dependencies(
+    *,
     workstream_id: uuid.UUID,
-    session: AsyncSession = Depends(get_session),
+    session: AsyncSession,
 ) -> list[WorkstreamDependency]:
-    """Return all dependency edges touching this workstream (both directions)."""
     if await session.get(Workstream, workstream_id) is None:
-        raise HTTPException(status_code=404, detail="workstream not found")
+        raise HTTPException(status_code=404, detail="workplan not found")
     rows = await session.execute(
         select(WorkstreamDependency).where(
             (WorkstreamDependency.from_workstream_id == workstream_id)
@@ -72,20 +65,118 @@ async def list_dependencies(
     return list(rows.scalars().all())
 
 
+async def _delete_dependency(
+    *,
+    workstream_id: uuid.UUID,
+    dep_id: uuid.UUID,
+    session: AsyncSession,
+) -> None:
+    dep = await session.get(WorkstreamDependency, dep_id)
+    if dep is None:
+        raise HTTPException(status_code=404, detail="dependency not found")
+    if dep.from_workstream_id != workstream_id:
+        raise HTTPException(status_code=403, detail="dependency does not belong to this workplan")
+    await session.delete(dep)
+    await session.commit()
+
+
+@router.post(
+    "/{workstream_id}/dependencies/",
+    response_model=WorkstreamDependencyRead,
+    status_code=status.HTTP_201_CREATED,
+)
+async def create_dependency(
+    request: Request,
+    response: Response,
+    workstream_id: uuid.UUID,
+    body: WorkstreamDependencyCreate,
+    session: AsyncSession = Depends(get_session),
+) -> WorkstreamDependency:
+    """Record that workstream_id depends on another workstream or a task."""
+    await _meter_legacy_route(
+        session=session,
+        request=request,
+        response=response,
+        interface_key=_legacy_key("POST", "/workstreams/{workstream_id}/dependencies/"),
+        replacement_ref="/workplans/{workplan_id}/dependencies/",
+    )
+    return await _create_dependency(workstream_id=workstream_id, body=body, session=session)
+
+
+@workplan_router.post(
+    "/{workplan_id}/dependencies/",
+    response_model=WorkstreamDependencyRead,
+    status_code=status.HTTP_201_CREATED,
+)
+async def create_workplan_dependency(
+    workplan_id: uuid.UUID,
+    body: WorkstreamDependencyCreate,
+    session: AsyncSession = Depends(get_session),
+) -> WorkstreamDependency:
+    return await _create_dependency(workstream_id=workplan_id, body=body, session=session)
+
+
+@router.get(
+    "/{workstream_id}/dependencies/",
+    response_model=list[WorkstreamDependencyRead],
+)
+async def list_dependencies(
+    request: Request,
+    response: Response,
+    workstream_id: uuid.UUID,
+    session: AsyncSession = Depends(get_session),
+) -> list[WorkstreamDependency]:
+    """Return all dependency edges touching this workstream (both directions)."""
+    await _meter_legacy_route(
+        session=session,
+        request=request,
+        response=response,
+        interface_key=_legacy_key("GET", "/workstreams/{workstream_id}/dependencies/"),
+        replacement_ref="/workplans/{workplan_id}/dependencies/",
+    )
+    return await _list_dependencies(workstream_id=workstream_id, session=session)
+
+
+@workplan_router.get(
+    "/{workplan_id}/dependencies/",
+    response_model=list[WorkstreamDependencyRead],
+)
+async def list_workplan_dependencies(
+    workplan_id: uuid.UUID,
+    session: AsyncSession = Depends(get_session),
+) -> list[WorkstreamDependency]:
+    return await _list_dependencies(workstream_id=workplan_id, session=session)
+
+
 @router.delete(
     "/{workstream_id}/dependencies/{dep_id}",
     status_code=status.HTTP_204_NO_CONTENT,
 )
 async def delete_dependency(
+    request: Request,
+    response: Response,
     workstream_id: uuid.UUID,
     dep_id: uuid.UUID,
     session: AsyncSession = Depends(get_session),
 ) -> None:
     """Hard-delete a dependency edge. Removing a constraint is safe — no information is lost."""
-    dep = await session.get(WorkstreamDependency, dep_id)
-    if dep is None:
-        raise HTTPException(status_code=404, detail="dependency not found")
-    if dep.from_workstream_id != workstream_id:
-        raise HTTPException(status_code=403, detail="dependency does not belong to this workstream")
-    await session.delete(dep)
-    await session.commit()
+    await _meter_legacy_route(
+        session=session,
+        request=request,
+        response=response,
+        interface_key=_legacy_key("DELETE", "/workstreams/{workstream_id}/dependencies/{dep_id}"),
+        replacement_ref="/workplans/{workplan_id}/dependencies/{dep_id}",
+    )
+    await _delete_dependency(workstream_id=workstream_id, dep_id=dep_id, session=session)
+
+
+@workplan_router.delete(
+    "/{workplan_id}/dependencies/{dep_id}",
+    status_code=status.HTTP_204_NO_CONTENT,
+)
+async def delete_workplan_dependency(
+    workplan_id: uuid.UUID,
+    dep_id: uuid.UUID,
+    session: AsyncSession = Depends(get_session),
+) -> None:
+    await _delete_dependency(workstream_id=workplan_id, dep_id=dep_id, session=session)

api/routers/workstreams.py

@@ -1,4 +1,5 @@
 import asyncio
+import logging
 import uuid
 import socket
 import time
@@ -6,7 +7,7 @@ from pathlib import Path
 from typing import Any
 
 import yaml
-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
 
@@ -20,18 +21,30 @@ from api.schemas.workstream import (
     WorkstreamUpdate,
 )
 from api.services.lifecycle import transition_workstream_status
+from api.services.legacy_meter import (
+    LegacyUsageIdentity,
+    identity_from_request,
+    record_legacy_usage,
+)
 from api.workplan_status import (
     is_supported_workstream_status,
     normalize_workstream_status,
     ready_review_status,
 )
 
+logger = logging.getLogger(__name__)
+
 router = APIRouter(prefix="/workstreams", tags=["workstreams"])
+workplan_router = APIRouter(prefix="/workplans", tags=["workplans"])
 
 _INDEX_CACHE: dict[str, Any] | None = None
 _INDEX_CACHE_AT: float = 0.0
 _INDEX_TTL = 30.0
 
+_LEGACY_OWNER = "state-hub.api"
+_COMPLETED_WORKSTREAM_EVENT = "org.statehub.workstream.completed"
+_COMPLETED_WORKPLAN_EVENT = "org.statehub.workplan.completed"
+
 
 def _repo_path(repo: ManagedRepo) -> Path | None:
     hostname = socket.gethostname()
@@ -65,15 +78,72 @@ def _frontmatter(path: Path) -> dict[str, Any]:
         return {}
 
 
-@router.get("/", response_model=list[WorkstreamRead])
-async def list_workstreams(
-    topic_id: uuid.UUID | None = None,
-    repo_id: uuid.UUID | None = None,
-    repo_goal_id: uuid.UUID | None = None,
-    status: str | None = None,
-    owner: str | None = None,
-    slug: str | None = None,
-    session: AsyncSession = Depends(get_session),
+def _legacy_key(method: str, route: str) -> str:
+    return f"rest_api:{method} {route}"
+
+
+def _mark_legacy_response(response: Response | None, replacement_ref: str) -> None:
+    if response is None:
+        return
+    response.headers["Deprecation"] = "true"
+    response.headers["X-StateHub-Replacement"] = replacement_ref
+    response.headers.append("Link", f"<{replacement_ref}>; rel=\"successor-version\"")
+
+
+async def _meter_legacy_route(
+    *,
+    session: AsyncSession,
+    request: Request | None,
+    response: Response | None,
+    interface_key: str,
+    replacement_ref: str,
+) -> None:
+    _mark_legacy_response(response, replacement_ref)
+    try:
+        await record_legacy_usage(
+            session,
+            interface_key=interface_key,
+            interface_kind="rest_api",
+            replacement_ref=replacement_ref,
+            owner_component=_LEGACY_OWNER,
+            replacement_verified=True,
+            identity=identity_from_request(request),
+        )
+    except Exception:
+        await session.rollback()
+        logger.warning("legacy-meter failed to record %s", interface_key, exc_info=True)
+
+
+async def _meter_legacy_event(
+    *,
+    session: AsyncSession,
+    subject: str,
+    replacement_ref: str,
+) -> None:
+    try:
+        await record_legacy_usage(
+            session,
+            interface_key=f"event_subject:{subject}",
+            interface_kind="event_subject",
+            replacement_ref=replacement_ref,
+            owner_component="state-hub.events",
+            replacement_verified=True,
+            identity=LegacyUsageIdentity(component_key="state-hub.events"),
+        )
+    except Exception:
+        await session.rollback()
+        logger.warning("legacy-meter failed to record event subject %s", subject, exc_info=True)
+
+
+async def _list_workstreams(
+    *,
+    topic_id: uuid.UUID | None,
+    repo_id: uuid.UUID | None,
+    repo_goal_id: uuid.UUID | None,
+    status_filter: str | None,
+    owner: str | None,
+    slug: str | None,
+    session: AsyncSession,
 ) -> list[Workstream]:
     q = select(Workstream)
     if topic_id:
@@ -82,10 +152,10 @@ async def list_workstreams(
         q = q.where(Workstream.repo_id == repo_id)
     if repo_goal_id:
         q = q.where(Workstream.repo_goal_id == repo_goal_id)
-    if status:
-        normalised_status = normalize_workstream_status(status)
-        if not is_supported_workstream_status(status):
-            raise HTTPException(status_code=422, detail=f"Unsupported workstream status '{status}'")
+    if status_filter:
+        normalised_status = normalize_workstream_status(status_filter)
+        if not is_supported_workstream_status(status_filter):
+            raise HTTPException(status_code=422, detail=f"Unsupported workplan status '{status_filter}'")
         q = q.where(Workstream.status == normalised_status)
     if owner:
         q = q.where(Workstream.owner == owner)
@@ -100,12 +170,12 @@ async def list_workstreams(
     return list(result.scalars().all())
 
 
-@router.get("/workplan-index")
-async def workplan_index(
-    refresh: bool = Query(False, description="Force cache invalidation"),
-    session: AsyncSession = Depends(get_session),
+async def _workplan_index(
+    *,
+    refresh: bool,
+    session: AsyncSession,
 ) -> dict[str, Any]:
-    """Map file-backed workstream ids to their local workplan filenames."""
+    """Map file-backed workplan ids to their local workplan filenames."""
     global _INDEX_CACHE, _INDEX_CACHE_AT
     if not refresh and _INDEX_CACHE is not None and (time.monotonic() - _INDEX_CACHE_AT) < _INDEX_TTL:
         return _INDEX_CACHE
@@ -148,15 +218,15 @@ async def workplan_index(
                     "needs_review": bool(review and review.needs_review),
                     "health_labels": ["needs_review"] if review and review.needs_review else [],
                 }
-    _INDEX_CACHE = {"workstreams": index}
+    _INDEX_CACHE = {"workplans": index, "workstreams": index}
     _INDEX_CACHE_AT = time.monotonic()
     return _INDEX_CACHE
 
 
-@router.post("/", response_model=WorkstreamRead, status_code=status.HTTP_201_CREATED)
-async def create_workstream(
+async def _create_workstream(
+    *,
     body: WorkstreamCreate,
-    session: AsyncSession = Depends(get_session),
+    session: AsyncSession,
 ) -> Workstream:
     ws = Workstream(**body.model_dump())
     session.add(ws)
@@ -165,26 +235,26 @@ async def create_workstream(
     return ws
 
 
-@router.get("/{workstream_id}", response_model=WorkstreamRead)
-async def get_workstream(
+async def _get_workstream(
+    *,
     workstream_id: uuid.UUID,
-    session: AsyncSession = Depends(get_session),
+    session: AsyncSession,
 ) -> Workstream:
     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")
     return ws
 
 
-@router.patch("/{workstream_id}", response_model=WorkstreamRead)
-async def update_workstream(
+async def _update_workstream(
+    *,
     workstream_id: uuid.UUID,
     body: WorkstreamUpdate,
-    session: AsyncSession = Depends(get_session),
+    session: AsyncSession,
 ) -> Workstream:
     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")
     update_data = body.model_dump(exclude_unset=True)
     status_update = update_data.pop("status", None)
     prev_status = ws.status
@@ -196,32 +266,232 @@ async def update_workstream(
     await session.refresh(ws)
 
     if normalize_workstream_status(prev_status) != "finished" and ws.status == "finished":
-        subject = "org.statehub.workstream.completed"
-        envelope = EventEnvelope.new(
-            subject,
-            attributes={
-                "workstream_id": str(ws.id),
-                "slug": ws.slug,
-                "title": ws.title,
-                "topic_id": str(ws.topic_id),
-                "repo_id": str(ws.repo_id) if ws.repo_id else None,
-                "repo_goal_id": str(ws.repo_goal_id) if ws.repo_goal_id else None,
-            },
-        )
-        asyncio.create_task(publish_event(subject, envelope))
+        await _publish_completion_events(ws, session)
 
     return ws
 
 
-@router.delete("/{workstream_id}", response_model=WorkstreamRead)
-async def archive_workstream(
+async def _archive_workstream(
+    *,
     workstream_id: uuid.UUID,
-    session: AsyncSession = Depends(get_session),
+    session: AsyncSession,
 ) -> Workstream:
     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")
     transition_workstream_status(ws, "archived")
     await session.commit()
     await session.refresh(ws)
     return ws
+
+
+async def _publish_completion_events(ws: Workstream, session: AsyncSession) -> None:
+    workplan_envelope = EventEnvelope.new(
+        _COMPLETED_WORKPLAN_EVENT,
+        attributes={
+            "workplan_id": str(ws.id),
+            "legacy_workstream_id": str(ws.id),
+            "slug": ws.slug,
+            "title": ws.title,
+            "topic_id": str(ws.topic_id),
+            "repo_id": str(ws.repo_id) if ws.repo_id else None,
+            "repo_goal_id": str(ws.repo_goal_id) if ws.repo_goal_id else None,
+        },
+    )
+    asyncio.create_task(publish_event(_COMPLETED_WORKPLAN_EVENT, workplan_envelope))
+
+    await _meter_legacy_event(
+        session=session,
+        subject=_COMPLETED_WORKSTREAM_EVENT,
+        replacement_ref=_COMPLETED_WORKPLAN_EVENT,
+    )
+    legacy_envelope = EventEnvelope.new(
+        _COMPLETED_WORKSTREAM_EVENT,
+        attributes={
+            "workstream_id": str(ws.id),
+            "slug": ws.slug,
+            "title": ws.title,
+            "topic_id": str(ws.topic_id),
+            "repo_id": str(ws.repo_id) if ws.repo_id else None,
+            "repo_goal_id": str(ws.repo_goal_id) if ws.repo_goal_id else None,
+        },
+    )
+    asyncio.create_task(publish_event(_COMPLETED_WORKSTREAM_EVENT, legacy_envelope))
+
+
+@router.get("/", response_model=list[WorkstreamRead])
+async def list_workstreams(
+    request: Request,
+    response: Response,
+    topic_id: uuid.UUID | None = None,
+    repo_id: uuid.UUID | None = None,
+    repo_goal_id: uuid.UUID | None = None,
+    status: str | None = None,
+    owner: str | None = None,
+    slug: str | None = None,
+    session: AsyncSession = Depends(get_session),
+) -> list[Workstream]:
+    await _meter_legacy_route(
+        session=session,
+        request=request,
+        response=response,
+        interface_key=_legacy_key("GET", "/workstreams/"),
+        replacement_ref="/workplans/",
+    )
+    return await _list_workstreams(
+        topic_id=topic_id,
+        repo_id=repo_id,
+        repo_goal_id=repo_goal_id,
+        status_filter=status,
+        owner=owner,
+        slug=slug,
+        session=session,
+    )
+
+
+@workplan_router.get("/", response_model=list[WorkstreamRead])
+async def list_workplans(
+    topic_id: uuid.UUID | None = None,
+    repo_id: uuid.UUID | None = None,
+    repo_goal_id: uuid.UUID | None = None,
+    status: str | None = None,
+    owner: str | None = None,
+    slug: str | None = None,
+    session: AsyncSession = Depends(get_session),
+) -> list[Workstream]:
+    return await _list_workstreams(
+        topic_id=topic_id,
+        repo_id=repo_id,
+        repo_goal_id=repo_goal_id,
+        status_filter=status,
+        owner=owner,
+        slug=slug,
+        session=session,
+    )
+
+
+@router.get("/workplan-index")
+async def workplan_index(
+    request: Request,
+    response: Response,
+    refresh: bool = Query(False, description="Force cache invalidation"),
+    session: AsyncSession = Depends(get_session),
+) -> dict[str, Any]:
+    await _meter_legacy_route(
+        session=session,
+        request=request,
+        response=response,
+        interface_key=_legacy_key("GET", "/workstreams/workplan-index"),
+        replacement_ref="/workplans/index",
+    )
+    return await _workplan_index(refresh=refresh, session=session)
+
+
+@workplan_router.get("/index")
+async def workplan_index_preferred(
+    refresh: bool = Query(False, description="Force cache invalidation"),
+    session: AsyncSession = Depends(get_session),
+) -> dict[str, Any]:
+    return await _workplan_index(refresh=refresh, session=session)
+
+
+@router.post("/", response_model=WorkstreamRead, status_code=status.HTTP_201_CREATED)
+async def create_workstream(
+    request: Request,
+    response: Response,
+    body: WorkstreamCreate,
+    session: AsyncSession = Depends(get_session),
+) -> Workstream:
+    await _meter_legacy_route(
+        session=session,
+        request=request,
+        response=response,
+        interface_key=_legacy_key("POST", "/workstreams/"),
+        replacement_ref="/workplans/",
+    )
+    return await _create_workstream(body=body, session=session)
+
+
+@workplan_router.post("/", response_model=WorkstreamRead, status_code=status.HTTP_201_CREATED)
+async def create_workplan(
+    body: WorkstreamCreate,
+    session: AsyncSession = Depends(get_session),
+) -> Workstream:
+    return await _create_workstream(body=body, session=session)
+
+
+@router.get("/{workstream_id}", response_model=WorkstreamRead)
+async def get_workstream(
+    request: Request,
+    response: Response,
+    workstream_id: uuid.UUID,
+    session: AsyncSession = Depends(get_session),
+) -> Workstream:
+    await _meter_legacy_route(
+        session=session,
+        request=request,
+        response=response,
+        interface_key=_legacy_key("GET", "/workstreams/{workstream_id}"),
+        replacement_ref="/workplans/{workplan_id}",
+    )
+    return await _get_workstream(workstream_id=workstream_id, session=session)
+
+
+@workplan_router.get("/{workplan_id}", response_model=WorkstreamRead)
+async def get_workplan(
+    workplan_id: uuid.UUID,
+    session: AsyncSession = Depends(get_session),
+) -> Workstream:
+    return await _get_workstream(workstream_id=workplan_id, session=session)
+
+
+@router.patch("/{workstream_id}", response_model=WorkstreamRead)
+async def update_workstream(
+    request: Request,
+    response: Response,
+    workstream_id: uuid.UUID,
+    body: WorkstreamUpdate,
+    session: AsyncSession = Depends(get_session),
+) -> Workstream:
+    await _meter_legacy_route(
+        session=session,
+        request=request,
+        response=response,
+        interface_key=_legacy_key("PATCH", "/workstreams/{workstream_id}"),
+        replacement_ref="/workplans/{workplan_id}",
+    )
+    return await _update_workstream(workstream_id=workstream_id, body=body, session=session)
+
+
+@workplan_router.patch("/{workplan_id}", response_model=WorkstreamRead)
+async def update_workplan(
+    workplan_id: uuid.UUID,
+    body: WorkstreamUpdate,
+    session: AsyncSession = Depends(get_session),
+) -> Workstream:
+    return await _update_workstream(workstream_id=workplan_id, body=body, session=session)
+
+
+@router.delete("/{workstream_id}", response_model=WorkstreamRead)
+async def archive_workstream(
+    request: Request,
+    response: Response,
+    workstream_id: uuid.UUID,
+    session: AsyncSession = Depends(get_session),
+) -> Workstream:
+    await _meter_legacy_route(
+        session=session,
+        request=request,
+        response=response,
+        interface_key=_legacy_key("DELETE", "/workstreams/{workstream_id}"),
+        replacement_ref="/workplans/{workplan_id}",
+    )
+    return await _archive_workstream(workstream_id=workstream_id, session=session)
+
+
+@workplan_router.delete("/{workplan_id}", response_model=WorkstreamRead)
+async def archive_workplan(
+    workplan_id: uuid.UUID,
+    session: AsyncSession = Depends(get_session),
+) -> Workstream:
+    return await _archive_workstream(workstream_id=workplan_id, session=session)

api/schemas/legacy_meter.py

@@ -0,0 +1,106 @@
+import uuid
+from datetime import datetime
+from typing import Literal
+
+from pydantic import BaseModel, ConfigDict, Field
+
+
+LegacyInterfaceKind = Literal[
+    "rest_api",
+    "mcp_tool",
+    "procedure_call",
+    "event_subject",
+    "cli",
+    "dashboard_route",
+    "schema_field",
+]
+LegacyInterfaceStatus = Literal["legacy", "retirement_candidate", "retired"]
+
+
+class LegacyInterfaceRegister(BaseModel):
+    interface_key: str
+    interface_kind: LegacyInterfaceKind = "rest_api"
+    replacement_ref: str
+    owner_component: str = "state-hub"
+    replacement_verified: bool = False
+    manual_hold: bool = False
+    hold_reason: str | None = None
+    notes: str | None = None
+
+
+class LegacyInterfacePatch(BaseModel):
+    replacement_ref: str | None = None
+    owner_component: str | None = None
+    status: LegacyInterfaceStatus | None = None
+    replacement_verified: bool | None = None
+    manual_hold: bool | None = None
+    hold_reason: str | None = None
+    notes: str | None = None
+
+
+class LegacyUsageRecord(BaseModel):
+    interface_key: str
+    interface_kind: LegacyInterfaceKind = "rest_api"
+    replacement_ref: str
+    owner_component: str = "state-hub"
+    replacement_verified: bool = False
+    tenant_key: str | None = None
+    user_key: str | None = None
+    component_key: str | None = None
+    observed_at: datetime | None = None
+    call_count: int = Field(default=1, ge=1)
+
+
+class LegacyInterfaceRead(BaseModel):
+    model_config = ConfigDict(from_attributes=True)
+
+    id: uuid.UUID
+    interface_key: str
+    interface_kind: str
+    legacy_since: datetime
+    replacement_ref: str
+    owner_component: str
+    status: str
+    replacement_verified: bool
+    manual_hold: bool
+    hold_reason: str | None = None
+    notes: str | None = None
+    retired_at: datetime | None = None
+    created_at: datetime
+    updated_at: datetime
+
+
+class LegacyUsageCounters(BaseModel):
+    calls: int = 0
+    tenant_count: int = 0
+    user_count: int = 0
+    component_count: int = 0
+    tenants: dict[str, int] = Field(default_factory=dict)
+    users: dict[str, int] = Field(default_factory=dict)
+    components: dict[str, int] = Field(default_factory=dict)
+
+
+class LegacyInterfaceSummary(BaseModel):
+    interface: LegacyInterfaceRead
+    all_time: LegacyUsageCounters
+    window: LegacyUsageCounters
+    last_seen_at: datetime | None = None
+    retirement_candidate: bool
+    retirement_reason: str
+
+
+class LegacyUsageSummary(BaseModel):
+    generated_at: datetime
+    window_start: datetime
+    window_end: datetime
+    interfaces: list[LegacyInterfaceSummary]
+
+
+class LegacyWeeklyReview(BaseModel):
+    generated_at: datetime
+    window_start: datetime
+    window_end: datetime
+    cadence: str = "weekly"
+    activity_core_handoff: dict[str, str]
+    interfaces: list[LegacyInterfaceSummary]
+    retirement_candidates: list[LegacyInterfaceSummary]

api/services/legacy_meter.py

@@ -0,0 +1,392 @@
+from __future__ import annotations
+
+from dataclasses import dataclass
+from datetime import date, datetime, timedelta, timezone
+from typing import Any
+
+from fastapi import Request
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from api.models.legacy_meter import LegacyInterface, LegacyInterfaceUsageBucket
+from api.schemas.legacy_meter import (
+    LegacyInterfaceRead,
+    LegacyInterfaceSummary,
+    LegacyUsageCounters,
+    LegacyUsageSummary,
+    LegacyWeeklyReview,
+)
+
+UNKNOWN_BUCKET = "unknown"
+VALID_INTERFACE_KINDS = {
+    "rest_api",
+    "mcp_tool",
+    "procedure_call",
+    "event_subject",
+    "cli",
+    "dashboard_route",
+    "schema_field",
+}
+VALID_INTERFACE_STATUSES = {"legacy", "retirement_candidate", "retired"}
+
+
+@dataclass(frozen=True)
+class LegacyUsageIdentity:
+    tenant_key: str = UNKNOWN_BUCKET
+    user_key: str = UNKNOWN_BUCKET
+    component_key: str = UNKNOWN_BUCKET
+
+
+def identity_from_request(request: Request | None) -> LegacyUsageIdentity:
+    if request is None:
+        return LegacyUsageIdentity()
+    headers = request.headers
+    return LegacyUsageIdentity(
+        tenant_key=_clean_bucket(headers.get("x-statehub-tenant") or headers.get("x-tenant-id")),
+        user_key=_clean_bucket(headers.get("x-statehub-user") or headers.get("x-user-id")),
+        component_key=_clean_bucket(headers.get("x-statehub-component") or headers.get("x-component")),
+    )
+
+
+async def register_legacy_interface(
+    session: AsyncSession,
+    *,
+    interface_key: str,
+    interface_kind: str,
+    replacement_ref: str,
+    owner_component: str = "state-hub",
+    replacement_verified: bool = False,
+    manual_hold: bool = False,
+    hold_reason: str | None = None,
+    notes: str | None = None,
+    status: str = "legacy",
+    commit: bool = True,
+    preserve_controls: bool = False,
+) -> LegacyInterface:
+    interface_key = _required(interface_key, "interface_key")
+    replacement_ref = _required(replacement_ref, "replacement_ref")
+    interface_kind = _validate_kind(interface_kind)
+    status = _validate_status(status)
+
+    existing = await _get_by_key(session, interface_key)
+    if existing is None:
+        existing = LegacyInterface(
+            interface_key=interface_key,
+            interface_kind=interface_kind,
+            replacement_ref=replacement_ref,
+            owner_component=_clean_value(owner_component, "state-hub"),
+            replacement_verified=replacement_verified,
+            manual_hold=manual_hold,
+            hold_reason=hold_reason,
+            notes=notes,
+            status=status,
+        )
+        session.add(existing)
+    else:
+        existing.interface_kind = interface_kind
+        existing.replacement_ref = replacement_ref
+        existing.owner_component = _clean_value(owner_component, "state-hub")
+        existing.replacement_verified = existing.replacement_verified or replacement_verified
+        if not preserve_controls:
+            existing.manual_hold = manual_hold
+            existing.hold_reason = hold_reason
+            existing.notes = notes if notes is not None else existing.notes
+            existing.status = status
+
+    if commit:
+        await session.commit()
+        await session.refresh(existing)
+    else:
+        await session.flush()
+    return existing
+
+
+async def patch_legacy_interface(
+    session: AsyncSession,
+    interface: LegacyInterface,
+    updates: dict[str, Any],
+) -> LegacyInterface:
+    if "interface_kind" in updates:
+        updates["interface_kind"] = _validate_kind(updates["interface_kind"])
+    if "status" in updates and updates["status"] is not None:
+        updates["status"] = _validate_status(updates["status"])
+        if updates["status"] == "retired" and interface.retired_at is None:
+            interface.retired_at = datetime.now(tz=timezone.utc)
+    for field, value in updates.items():
+        if value is not None or field in {"manual_hold", "replacement_verified", "hold_reason", "notes"}:
+            setattr(interface, field, value)
+    await session.commit()
+    await session.refresh(interface)
+    return interface
+
+
+async def record_legacy_usage(
+    session: AsyncSession,
+    *,
+    interface_key: str,
+    interface_kind: str,
+    replacement_ref: str,
+    identity: LegacyUsageIdentity | None = None,
+    owner_component: str = "state-hub",
+    replacement_verified: bool = False,
+    observed_at: datetime | None = None,
+    call_count: int = 1,
+    commit: bool = True,
+) -> LegacyInterface:
+    if call_count < 1:
+        raise ValueError("call_count must be >= 1")
+    observed_at = observed_at or datetime.now(tz=timezone.utc)
+    if observed_at.tzinfo is None:
+        observed_at = observed_at.replace(tzinfo=timezone.utc)
+    identity = identity or LegacyUsageIdentity()
+    interface = await register_legacy_interface(
+        session,
+        interface_key=interface_key,
+        interface_kind=interface_kind,
+        replacement_ref=replacement_ref,
+        owner_component=owner_component,
+        replacement_verified=replacement_verified,
+        preserve_controls=True,
+        commit=False,
+    )
+    for bucket_kind, bucket_key in (
+        ("call", "total"),
+        ("tenant", identity.tenant_key),
+        ("user", identity.user_key),
+        ("component", identity.component_key),
+    ):
+        await _increment_bucket(
+            session,
+            interface,
+            period_start=observed_at.date(),
+            bucket_kind=bucket_kind,
+            bucket_key=_clean_bucket(bucket_key),
+            observed_at=observed_at,
+            call_count=call_count,
+        )
+    if commit:
+        await session.commit()
+        await session.refresh(interface)
+    else:
+        await session.flush()
+    return interface
+
+
+async def get_legacy_interface_by_key(
+    session: AsyncSession,
+    interface_key: str,
+) -> LegacyInterface | None:
+    return await _get_by_key(session, interface_key)
+
+
+async def list_legacy_interfaces(session: AsyncSession) -> list[LegacyInterface]:
+    result = await session.execute(
+        select(LegacyInterface).order_by(LegacyInterface.interface_kind, LegacyInterface.interface_key)
+    )
+    return list(result.scalars().all())
+
+
+async def legacy_usage_summary(
+    session: AsyncSession,
+    *,
+    window_start: datetime | None = None,
+    window_end: datetime | None = None,
+) -> LegacyUsageSummary:
+    window_end = _ensure_datetime(window_end) or datetime.now(tz=timezone.utc)
+    window_start = _ensure_datetime(window_start) or (window_end - timedelta(days=7))
+    interfaces = await list_legacy_interfaces(session)
+    buckets = await _usage_buckets(session)
+    by_interface: dict[Any, list[LegacyInterfaceUsageBucket]] = {}
+    for bucket in buckets:
+        by_interface.setdefault(bucket.legacy_interface_id, []).append(bucket)
+
+    summaries = [
+        _summarize_interface(interface, by_interface.get(interface.id, []), window_start, window_end)
+        for interface in interfaces
+    ]
+    return LegacyUsageSummary(
+        generated_at=datetime.now(tz=timezone.utc),
+        window_start=window_start,
+        window_end=window_end,
+        interfaces=summaries,
+    )
+
+
+async def legacy_weekly_review(
+    session: AsyncSession,
+    *,
+    window_start: datetime | None = None,
+    window_end: datetime | None = None,
+) -> LegacyWeeklyReview:
+    summary = await legacy_usage_summary(
+        session,
+        window_start=window_start,
+        window_end=window_end,
+    )
+    candidates = [item for item in summary.interfaces if item.retirement_candidate]
+    return LegacyWeeklyReview(
+        generated_at=summary.generated_at,
+        window_start=summary.window_start,
+        window_end=summary.window_end,
+        activity_core_handoff={
+            "activity_id": "statehub-legacy-interface-review",
+            "cadence": "weekly",
+            "source_endpoint": "/legacy-meter/weekly-review",
+            "state_owner": "state-hub",
+            "scheduler_owner": "activity-core",
+        },
+        interfaces=summary.interfaces,
+        retirement_candidates=candidates,
+    )
+
+
+async def _increment_bucket(
+    session: AsyncSession,
+    interface: LegacyInterface,
+    *,
+    period_start: date,
+    bucket_kind: str,
+    bucket_key: str,
+    observed_at: datetime,
+    call_count: int,
+) -> LegacyInterfaceUsageBucket:
+    result = await session.execute(
+        select(LegacyInterfaceUsageBucket).where(
+            LegacyInterfaceUsageBucket.legacy_interface_id == interface.id,
+            LegacyInterfaceUsageBucket.period_start == period_start,
+            LegacyInterfaceUsageBucket.bucket_kind == bucket_kind,
+            LegacyInterfaceUsageBucket.bucket_key == bucket_key,
+        )
+    )
+    bucket = result.scalar_one_or_none()
+    if bucket is None:
+        bucket = LegacyInterfaceUsageBucket(
+            legacy_interface_id=interface.id,
+            period_start=period_start,
+            bucket_kind=bucket_kind,
+            bucket_key=bucket_key,
+            call_count=call_count,
+            first_seen_at=observed_at,
+            last_seen_at=observed_at,
+        )
+        session.add(bucket)
+        return bucket
+
+    bucket.call_count += call_count
+    if observed_at < bucket.first_seen_at:
+        bucket.first_seen_at = observed_at
+    if observed_at > bucket.last_seen_at:
+        bucket.last_seen_at = observed_at
+    return bucket
+
+
+async def _get_by_key(session: AsyncSession, interface_key: str) -> LegacyInterface | None:
+    result = await session.execute(
+        select(LegacyInterface).where(LegacyInterface.interface_key == interface_key)
+    )
+    return result.scalar_one_or_none()
+
+
+async def _usage_buckets(session: AsyncSession) -> list[LegacyInterfaceUsageBucket]:
+    result = await session.execute(select(LegacyInterfaceUsageBucket))
+    return list(result.scalars().all())
+
+
+def _summarize_interface(
+    interface: LegacyInterface,
+    buckets: list[LegacyInterfaceUsageBucket],
+    window_start: datetime,
+    window_end: datetime,
+) -> LegacyInterfaceSummary:
+    all_time = _counters(buckets)
+    window_buckets = [
+        bucket for bucket in buckets
+        if bucket.last_seen_at >= window_start and bucket.first_seen_at < window_end
+    ]
+    window = _counters(window_buckets)
+    last_seen = max((bucket.last_seen_at for bucket in buckets), default=None)
+    retirement_candidate, reason = _retirement_state(interface, window.calls)
+    return LegacyInterfaceSummary(
+        interface=LegacyInterfaceRead.model_validate(interface),
+        all_time=all_time,
+        window=window,
+        last_seen_at=last_seen,
+        retirement_candidate=retirement_candidate,
+        retirement_reason=reason,
+    )
+
+
+def _counters(buckets: list[LegacyInterfaceUsageBucket]) -> LegacyUsageCounters:
+    calls = sum(bucket.call_count for bucket in buckets if bucket.bucket_kind == "call")
+    tenants = _bucket_counts(buckets, "tenant")
+    users = _bucket_counts(buckets, "user")
+    components = _bucket_counts(buckets, "component")
+    return LegacyUsageCounters(
+        calls=calls,
+        tenant_count=len(tenants),
+        user_count=len(users),
+        component_count=len(components),
+        tenants=tenants,
+        users=users,
+        components=components,
+    )
+
+
+def _bucket_counts(buckets: list[LegacyInterfaceUsageBucket], bucket_kind: str) -> dict[str, int]:
+    counts: dict[str, int] = {}
+    for bucket in buckets:
+        if bucket.bucket_kind == bucket_kind:
+            counts[bucket.bucket_key] = counts.get(bucket.bucket_key, 0) + bucket.call_count
+    return counts
+
+
+def _retirement_state(interface: LegacyInterface, window_calls: int) -> tuple[bool, str]:
+    if interface.status == "retired":
+        return False, "already retired"
+    if interface.manual_hold:
+        return False, interface.hold_reason or "manual hold"
+    if not interface.replacement_ref.strip():
+        return False, "missing replacement reference"
+    if not interface.replacement_verified:
+        return False, "replacement not verified"
+    if window_calls > 0:
+        return False, f"{window_calls} call(s) in review window"
+    return True, "no measured usage in review window"
+
+
+def _ensure_datetime(value: datetime | None) -> datetime | None:
+    if value is None:
+        return None
+    if value.tzinfo is None:
+        return value.replace(tzinfo=timezone.utc)
+    return value
+
+
+def _required(value: str | None, field: str) -> str:
+    cleaned = _clean_value(value)
+    if not cleaned:
+        raise ValueError(f"{field} is required")
+    return cleaned
+
+
+def _clean_value(value: str | None, default: str = "") -> str:
+    return str(value or default).strip()
+
+
+def _clean_bucket(value: str | None) -> str:
+    cleaned = _clean_value(value)
+    return cleaned or UNKNOWN_BUCKET
+
+
+def _validate_kind(kind: str) -> str:
+    cleaned = _required(kind, "interface_kind")
+    if cleaned not in VALID_INTERFACE_KINDS:
+        raise ValueError(f"interface_kind must be one of {sorted(VALID_INTERFACE_KINDS)}")
+    return cleaned
+
+
+def _validate_status(status: str) -> str:
+    cleaned = _required(status, "status")
+    if cleaned not in VALID_INTERFACE_STATUSES:
+        raise ValueError(f"status must be one of {sorted(VALID_INTERFACE_STATUSES)}")
+    return cleaned

dashboard/src/components/config.js

@@ -1,4 +1,65 @@
-export const API = "http://127.0.0.1:8000";
+export const DEFAULT_API = "http://127.0.0.1:8000";
+export const API_STORAGE_KEY = "stateHubApiBase";
+const API_QUERY_PARAMS = ["api_base", "apiBase"];
+
+function cleanApiBase(value) {
+  if (typeof value !== "string") return null;
+  const cleaned = value.trim().replace(/\/+$/, "");
+  return cleaned || null;
+}
+
+function getStorageApiBase(storage) {
+  if (!storage?.getItem) return null;
+  try {
+    return cleanApiBase(storage.getItem(API_STORAGE_KEY));
+  } catch {
+    return null;
+  }
+}
+
+function urlFromLocation(location) {
+  if (!location) return null;
+  try {
+    return new URL(location.href ?? String(location));
+  } catch {
+    return null;
+  }
+}
+
+function getQueryApiBase(url) {
+  if (!url) return null;
+  for (const name of API_QUERY_PARAMS) {
+    const value = cleanApiBase(url.searchParams.get(name));
+    if (value) return value;
+  }
+  return null;
+}
+
+function inferApiBase(url) {
+  if (!url || !["http:", "https:"].includes(url.protocol)) return DEFAULT_API;
+  if (url.hostname === "::1" || url.hostname === "[::1]") return DEFAULT_API;
+  const apiUrl = new URL(url.href);
+  apiUrl.port = globalThis.STATE_HUB_API_PORT || "8000";
+  apiUrl.pathname = "";
+  apiUrl.search = "";
+  apiUrl.hash = "";
+  return apiUrl.origin;
+}
+
+export function resolveApiBase({
+  location = globalThis.location,
+  storage = globalThis.localStorage,
+} = {}) {
+  const url = urlFromLocation(location);
+  return (
+    getQueryApiBase(url)
+    || cleanApiBase(globalThis.STATE_HUB_API_BASE)
+    || getStorageApiBase(storage)
+    || inferApiBase(url)
+  );
+}
+
+export const API = resolveApiBase();
 export const POLL = 15_000;
 export const POLL_HEAVY = 60_000;
 export const FETCH_TIMEOUT = 12_000;

dashboard/src/components/field-help.js

@@ -26,7 +26,7 @@ const FIELD_LINKS = {
     getTitle: d => d.title,
   },
   workstream_id: {
-    apiUrl:   id => `${API}/workstreams/${id}`,
+    apiUrl:   id => `${API}/workplans/${id}`,
     getUrl:   (id, _d) => `/workstreams/${id}`,
     getTitle: d => d.title || d.slug,
   },

dashboard/src/dependencies.md

@@ -16,7 +16,7 @@ const depState = (async function*() {
     let wsMap = {}, edges = [], ok = false;
     try {
       const [rw, rto, rr, rd] = await Promise.all([
-        apiFetch("/workstreams/"),
+        apiFetch("/workplans/"),
         apiFetch("/topics/"),
         apiFetch("/repos/"),
         apiFetch("/state/deps"),

dashboard/src/docs/dashboard.md

@@ -63,7 +63,7 @@ Current loaders:
 | File | API endpoint |
 |---|---|
 | `summary.json.py` | `/state/summary` |
-| `workstreams.json.py` | `/workstreams/` |
+| `workstreams.json.py` | `/workplans/` |
 | `contributions.json.py` | `/contributions/` |
 | `decisions.json.py` | `/decisions/` |
 | `domains.json.py` | `/domains/` |
@@ -144,7 +144,7 @@ The dashboard has 30+ pages organised in four navigation groups:
 
 | Page | Route | Purpose |
 |---|---|---|
-| Workstreams | `/workstreams` | All workstreams with Workstream Health Index |
+| Workplans | `/workstreams` | All workplans with Workplan Health Index; route name remains compatibility-backed |
 | Decisions | `/decisions` | Decision log with resolve-in-place form |
 | Dependencies | `/dependencies` | Dependency graph explorer |
 | Extensions | `/extensions` | Extension point registry |
@@ -163,8 +163,11 @@ The dashboard has 30+ pages organised in four navigation groups:
 All shared components live in `src/components/` and are imported as ES modules:
 
 ### `config.js`
-Exports two constants used by every live-polling page:
-- `API = "http://127.0.0.1:8000"` — the FastAPI base URL
+Exports shared runtime configuration used by every live-polling page:
+- `API` — the FastAPI base URL. It defaults to `http://127.0.0.1:8000`
+  outside the browser, derives from the dashboard host in browser sessions, and
+  can be overridden with `?api_base=...`, `globalThis.STATE_HUB_API_BASE`, or
+  `localStorage.stateHubApiBase`.
 - `POLL = 15_000` — polling interval in milliseconds
 
 ### `entity-modal.js`

dashboard/src/docs/dependencies.md

@@ -62,7 +62,7 @@ create_dependency(
 Via REST:
 
 ```bash
-curl -X POST http://127.0.0.1:8000/workstreams/<from_id>/dependencies/ \
+curl -X POST http://127.0.0.1:8000/workplans/<from_id>/dependencies/ \
   -H "Content-Type: application/json" \
   -d '{"to_workstream_id": "<to_id>", "description": "..."}'
 ```

dashboard/src/docs/goals.md

@@ -127,7 +127,7 @@ The Goals page groups everything by domain:
 
 Workstreams carry an optional `repo_goal_id` field. Setting it traces *why* a workstream exists — which specific repo goal it contributes to. This connection is currently recorded in the DB but is not yet visualised in the Workstreams page.
 
-To set the link when creating a workstream via `create_workstream`, pass `repo_goal_id`. To update an existing one, use `PATCH /workstreams/{id}/` with `{"repo_goal_id": "<uuid>"}`.
+To set the link when creating a workplan through the preferred API, pass `repo_goal_id`. To update an existing one, use `PATCH /workplans/{id}/` with `{"repo_goal_id": "<uuid>"}`. Legacy `create_workstream` and `/workstreams/{id}/` callers remain compatibility-supported while they are metered.
 
 ---
 

dashboard/src/docs/live-data.md

@@ -49,7 +49,7 @@ make api      # db + migrate + uvicorn (restarts if already running)
 | Page | Endpoints |
 |---|---|
 | Overview | `/state/summary` |
-| Workstreams | `/workstreams/`, `/topics/`, `/state/summary` |
+| Workplans | `/workplans/`, `/topics/`, `/state/summary` |
 | Decisions | `/decisions/?limit=500`, `/topics/` |
 | Progress | `/progress/?limit=500` |
 

dashboard/src/docs/overview.md

@@ -83,8 +83,8 @@ and summary.
 ## Data source
 
 Polls `GET /state/summary` every **15 seconds**. The workstream chart also polls
-`GET /workstreams/`, `GET /tasks/?limit=2000`, `GET /topics/`, `GET /repos/`,
-and `GET /workstreams/workplan-index` for repository grouping, task counts, and
+`GET /workplans/`, `GET /tasks/?limit=2000`, `GET /topics/`, `GET /repos/`,
+and `GET /workplans/index` for repository grouping, task counts, and
 workplan filename tooltips. Blocking decisions are fetched separately via
 `GET /decisions/?decision_type=pending` and only re-fetched after a successful
 resolve action — this prevents the inline form from being wiped on every poll.

dashboard/src/docs/tasks.md

@@ -95,5 +95,5 @@ status group.
 
 Polls every **15 seconds**:
 - `GET /tasks/?limit=500`
-- `GET /workstreams/`
+- `GET /workplans/`
 - `GET /topics/`

dashboard/src/docs/todo.md

@@ -64,7 +64,7 @@ to this reference page.
 
 Polls every **15 seconds**:
 - `GET /tasks/?limit=500` — all tasks
-- `GET /workstreams/` — for domain + title context
+- `GET /workplans/` — for domain + title context
 - `GET /topics/` — for domain slug resolution
 - `GET /contributions/` — for third-party todos
 

dashboard/src/docs/workstream-lifecycle.md

@@ -77,7 +77,7 @@ advance_workstation(entity_type="workstream", entity_id="<uuid>", target_worksta
 Direct status patching still exists for bootstrap and compatibility work:
 
 ```bash
-curl -X PATCH http://127.0.0.1:8000/workstreams/<uuid>/ \
+curl -X PATCH http://127.0.0.1:8000/workplans/<uuid>/ \
   -H "Content-Type: application/json" \
   -d '{"status": "finished"}'
 ```

dashboard/src/docs/workstreams.md

@@ -108,7 +108,7 @@ create_workstream(
 Via REST:
 
 ```bash
-curl -X POST http://127.0.0.1:8000/workstreams/ \
+curl -X POST http://127.0.0.1:8000/workplans/ \
   -H "Content-Type: application/json" \
   -d '{"topic_id": "<uuid>", "title": "…", "status": "ready"}'
 ```

dashboard/src/docs/wsjf-triage.md

@@ -16,7 +16,7 @@ GET /progress/?event_type=daily_triage&limit=14
 
 Each event carries the report under `detail.report`, with a summary and a list
 of recommendations. Candidate values are resolved through
-`/workstreams/workplan-index` so file-backed workplans can link to their
+`/workplans/index` so file-backed workplans can link to their
 workstream detail pages.
 
 ## How to read recommendations

dashboard/src/index.md

@@ -39,11 +39,11 @@ const pageState = (async function*() {
         loadJson("summary", "/state/summary", {timeout: 20_000}),
         loadJson("sbom snapshots", "/sbom/snapshots/"),
         loadJson("milestones", "/progress/?event_type=milestone&limit=500"),
-        loadJson("workstreams", "/workstreams/"),
+        loadJson("workplans", "/workplans/"),
         loadJson("tasks", "/tasks/?limit=2000"),
         loadJson("topics", "/topics/"),
         loadJson("repos", "/repos/"),
-        loadJson("workplan index", "/workstreams/workplan-index").catch(() => ({workstreams: {}})),
+        loadJson("workplan index", "/workplans/index").catch(() => ({workplans: {}, workstreams: {}})),
       ]);
 
       ok = true;

dashboard/src/interventions.md

@@ -15,7 +15,7 @@ const interventionState = (async function*() {
     try {
       const [rt, rw, rto, rr] = await Promise.all([
         apiFetch("/tasks/?limit=500"),
-        apiFetch("/workstreams/"),
+        apiFetch("/workplans/"),
         apiFetch("/topics/"),
         apiFetch("/repos/"),
       ]);

dashboard/src/repos.md

@@ -16,7 +16,7 @@ try {
     fetch(`${API}/sbom/`).then(r => r.ok ? r.json() : []),
     fetch(`${API}/extension-points/`).then(r => r.ok ? r.json() : []),
     fetch(`${API}/technical-debt/`).then(r => r.ok ? r.json() : []),
-    fetch(`${API}/workstreams/`).then(r => r.ok ? r.json() : []),
+    fetch(`${API}/workplans/`).then(r => r.ok ? r.json() : []),
   ]);
 } catch {}
 ```

dashboard/src/tasks.md

@@ -14,7 +14,7 @@ const taskState = (async function*() {
     try {
       const [rt, rw, rto, rr] = await Promise.all([
         apiFetch("/tasks/?limit=500"),
-        apiFetch("/workstreams/"),
+        apiFetch("/workplans/"),
         apiFetch("/topics/"),
         apiFetch("/repos/"),
       ]);

dashboard/src/techdept.md

@@ -14,7 +14,7 @@ const tdState = (async function*() {
     try {
       const [rt, rw, rto, rr] = await Promise.all([
         apiFetch("/technical-debt/"),
-        apiFetch("/workstreams/"),
+        apiFetch("/workplans/"),
         apiFetch("/topics/"),
         apiFetch("/repos/"),
       ]);

dashboard/src/todo.md

@@ -16,7 +16,7 @@ const todoState = (async function*() {
     try {
       const [rt, rw, rto, rr, rc, ri] = await Promise.all([
         apiFetch("/tasks/?limit=500"),
-        apiFetch("/workstreams/"),
+        apiFetch("/workplans/"),
         apiFetch("/topics/"),
         apiFetch("/repos/"),
         apiFetch("/contributions/"),

dashboard/src/workplan-queue.md

@@ -104,7 +104,7 @@ function queueControls(row) {
   }
 
   save.onclick = () => run("saving", async () => {
-    const response = await apiFetch(`/execution/workstreams/${row.workstream_id}/intent`, {
+    const response = await apiFetch(`/execution/workplans/${row.workstream_id}/intent`, {
       method: "PATCH",
       headers: {"Content-Type": "application/json"},
       body: JSON.stringify(payload()),

dashboard/src/workstreams.md

@@ -1,5 +1,5 @@
 ---
-title: Workstreams
+title: Workplans
 ---
 
 ```js
@@ -16,7 +16,7 @@ const wsState = (async function*() {
     let data = [], openWs = [], ok = false;
     try {
       const [rw, rt, rr, rd] = await Promise.all([
-        apiFetch("/workstreams/"),
+        apiFetch("/workplans/"),
         apiFetch("/topics/"),
         apiFetch("/repos/"),
         apiFetch("/state/deps"),
@@ -134,7 +134,7 @@ const _domainBreakdown = [...new Set(openWs.map(w => _idToDomain[w.id] ?? "unkno
 }).filter(Boolean);
 ```
 
-# Workstreams
+# Workplans
 
 ```js
 import {injectTocTop}    from "./components/toc-sidebar.js";
@@ -166,17 +166,17 @@ function _warnLevel(name, val) {
 function _warnColor(lv) { return lv === 2 ? "#dc2626" : lv === 1 ? "#d97706" : "var(--theme-foreground-muted, #666)"; }
 
 const _whiMetrics = [
-  {name: "DD",   val: _DD,   fmt: v => v.toFixed(2),           label: "Dependency Density",        desc: "Average number of dependencies per open workstream; high values indicate a tightly coupled graph that is hard to parallelise."},
-  {name: "BR",   val: _BR,   fmt: v => (v*100).toFixed(0)+"%", label: "Blocked Ratio",             desc: "Share of open workstreams currently in a blocked state; directly reduces the work that can proceed right now."},
-  {name: "SPR",  val: _SPR,  fmt: v => (v*100).toFixed(0)+"%", label: "Single-Point Risk",         desc: "Share of workstreams depended on by others but with no incoming dependencies themselves; losing one stalls everything downstream."},
-  {name: "PEP",  val: _PEP,  fmt: v => (v*100).toFixed(0)+"%", label: "Parallel Execution Potential", desc: "Share of open workstreams with zero blocking dependencies that could start or continue immediately."},
+  {name: "DD",   val: _DD,   fmt: v => v.toFixed(2),           label: "Dependency Density",        desc: "Average number of dependencies per open workplan; high values indicate a tightly coupled graph that is hard to parallelise."},
+  {name: "BR",   val: _BR,   fmt: v => (v*100).toFixed(0)+"%", label: "Blocked Ratio",             desc: "Share of open workplans currently in a blocked state; directly reduces the work that can proceed right now."},
+  {name: "SPR",  val: _SPR,  fmt: v => (v*100).toFixed(0)+"%", label: "Single-Point Risk",         desc: "Share of workplans depended on by others but with no incoming dependencies themselves; losing one stalls everything downstream."},
+  {name: "PEP",  val: _PEP,  fmt: v => (v*100).toFixed(0)+"%", label: "Parallel Execution Potential", desc: "Share of open workplans with zero blocking dependencies that could start or continue immediately."},
   {name: "CDDR", val: _CDDR, fmt: v => (v*100).toFixed(0)+"%", label: "Cross-Domain Dependency Ratio", desc: "Share of dependency edges that cross domain boundaries; high values mean progress in one domain is gated on another team or project."},
 ];
 
 const _whiBox = html`<div class="kpi-infobox whi-box">
-  <div class="kpi-infobox-title">Workstream Health</div>
+  <div class="kpi-infobox-title">Workplan Health</div>
   ${_openCount === 0
-    ? html`<div class="kpi-row"><span class="kpi-muted">No active workstreams</span></div>`
+    ? html`<div class="kpi-row"><span class="kpi-muted">No active workplans</span></div>`
     : html`
       <div class="whi-score-row">
         <span class="whi-value" style="color:${_whiColor(_WHI)}">${(_WHI*100).toFixed(0)}<span class="whi-pct">%</span></span>
@@ -202,7 +202,7 @@ const _whiBox = html`<div class="kpi-infobox whi-box">
               description="Domain-scoped WHI (intra-domain edges only). Open: ${d.openCount} · Blocked: ${(d.br*100).toFixed(0)}% · Runnable: ${(d.pep*100).toFixed(0)}%"
               doc="/docs/workstream-health-index">${d.domain}</help-tip>
             <span class="whi-domain-score" style="color:${_whiColor(d.whi)}">${(d.whi*100).toFixed(0)}%</span>
-            ${d.cpi === 1 ? html`<help-tip style="color:#d97706;font-size:0.7rem" label="Dependency Cycle" description="A circular dependency exists within this domain — workstreams are waiting on each other and cannot all proceed." doc="/docs/workstream-health-index">⚠</help-tip>` : ""}
+            ${d.cpi === 1 ? html`<help-tip style="color:#d97706;font-size:0.7rem" label="Dependency Cycle" description="A circular dependency exists within this domain — workplans are waiting on each other and cannot all proceed." doc="/docs/workstream-health-index">⚠</help-tip>` : ""}
           </div>`)}
         </div>` : ""}
     `}
@@ -276,7 +276,7 @@ display(Plot.plot({
 }));
 ```
 
-## All Workstreams
+## All Workplans
 
 ```js
 display(_filtersForm);
@@ -313,7 +313,7 @@ const wsWithDeps = openWs.filter(w => {
 });
 
 if (wsWithDeps.length === 0) {
-  display(html`<p class="dim">No dependency edges recorded for the current filter. Use <code>create_dependency()</code> via the MCP server to link workstreams.</p>`);
+  display(html`<p class="dim">No dependency edges recorded for the current filter. Use <code>create_dependency()</code> via the MCP server to link workplans.</p>`);
 } else {
   display(html`<div class="dep-grid">${wsWithDeps.map(w => {
     const depRows = w.depends_on.map(d =>

dashboard/src/workstreams/[id].md

@@ -11,13 +11,13 @@ import {statusControl, TASK_STATUSES, WORKSTREAM_STATUSES} from "../components/s
 ```js
 const wsId = observable.params.id;
 const [raw, taskRows, workplanIndex] = await Promise.all([
-  fetch(`${API}/workstreams/${wsId}`)
+  fetch(`${API}/workplans/${wsId}`)
     .then(r => r.ok ? r.json() : r.json().then(e => ({error: e.detail ?? `HTTP ${r.status}`})))
     .catch(e => ({error: String(e)})),
   fetch(`${API}/tasks/?workstream_id=${wsId}&limit=1000`)
     .then(r => r.ok ? r.json() : [])
     .catch(() => []),
-  fetch(`${API}/workstreams/workplan-index`)
+  fetch(`${API}/workplans/index`)
     .then(r => r.ok ? r.json() : {workstreams: {}})
     .catch(() => ({workstreams: {}})),
 ]);
@@ -31,7 +31,7 @@ if (raw.error) {
   const name = raw.title || raw.slug || wsId;
   const shortName = name.length > 60 ? name.slice(0, 60) + "…" : name;
   display(html`<h1 style="font-size:1.1rem;margin-bottom:0.25rem">Workstream · <em>${shortName}</em></h1>`);
-  display(html`<p style="margin-top:0"><a href="/">← Overview</a> &nbsp;|&nbsp; <a href="/workstreams">← Workstreams</a> &nbsp;|&nbsp; <a href="/token-cost">← Token Cost</a></p>`);
+  display(html`<p style="margin-top:0"><a href="/">← Overview</a> &nbsp;|&nbsp; <a href="/workstreams">← Workplans</a> &nbsp;|&nbsp; <a href="/token-cost">← Token Cost</a></p>`);
 
   display(html`<div class="ws-summary">
     <div><span>Status</span>${statusControl({

dashboard/src/wsjf-triage.md

@@ -27,7 +27,7 @@ const triageState = (async function*() {
     try {
       const [reportsResp, indexResp] = await Promise.all([
         apiFetch("/progress/?event_type=daily_triage&limit=14"),
-        apiFetch("/workstreams/workplan-index"),
+        apiFetch("/workplans/index"),
       ]);
       ok = reportsResp.ok && indexResp.ok;
       events = reportsResp.ok ? await reportsResp.json() : [];

dashboard/test/config.test.mjs

@@ -0,0 +1,62 @@
+import assert from "node:assert/strict";
+import test from "node:test";
+
+import {
+  API,
+  API_STORAGE_KEY,
+  DEFAULT_API,
+  resolveApiBase,
+} from "../src/components/config.js";
+
+test("api base keeps the script default outside the browser", () => {
+  assert.equal(API, DEFAULT_API);
+  assert.equal(resolveApiBase({location: null, storage: null}), DEFAULT_API);
+});
+
+test("api base follows the dashboard host in the browser", () => {
+  assert.equal(
+    resolveApiBase({
+      location: new URL("http://localhost:3000/workstreams"),
+      storage: null,
+    }),
+    "http://localhost:8000",
+  );
+  assert.equal(
+    resolveApiBase({
+      location: new URL("http://statehub.local:3000/workstreams"),
+      storage: null,
+    }),
+    "http://statehub.local:8000",
+  );
+});
+
+test("api base supports explicit query and storage overrides", () => {
+  assert.equal(
+    resolveApiBase({
+      location: new URL("http://localhost:3000/?api_base=http%3A%2F%2F127.0.0.1%3A18000%2F"),
+      storage: {
+        getItem: () => "http://ignored.example:8000",
+      },
+    }),
+    "http://127.0.0.1:18000",
+  );
+  assert.equal(
+    resolveApiBase({
+      location: new URL("http://localhost:3000/"),
+      storage: {
+        getItem: key => key === API_STORAGE_KEY ? " http://127.0.0.1:18000/ " : null,
+      },
+    }),
+    "http://127.0.0.1:18000",
+  );
+});
+
+test("ipv6 loopback dashboards use the ipv4 api default", () => {
+  assert.equal(
+    resolveApiBase({
+      location: new URL("http://[::1]:3000/"),
+      storage: null,
+    }),
+    DEFAULT_API,
+  );
+});

docs/nats-event-subjects.md

@@ -42,7 +42,8 @@ those publishers from colliding on the same `{noun}.{verb}` shape.
 | Subject                              | When                                                         | Required attributes                                                                                                          |
 | ------------------------------------ | ------------------------------------------------------------ | ---------------------------------------------------------------------------------------------------------------------------- |
 | `org.statehub.repo.registered`       | A new repo is registered via `POST /repos/`                  | `repo_id`, `repo_slug`, `domain_slug`, `remote_url?`, `local_path?`                                                          |
-| `org.statehub.workstream.completed`  | A workstream transitions to canonical status `finished`      | `workstream_id`, `slug`, `title`, `topic_id`, `repo_id?`, `repo_goal_id?`                                                    |
+| `org.statehub.workplan.completed`    | A workplan transitions to canonical status `finished`        | `workplan_id`, `legacy_workstream_id`, `slug`, `title`, `topic_id`, `repo_id?`, `repo_goal_id?`                              |
+| `org.statehub.workstream.completed`  | Legacy compatibility subject for completed workplans         | `workstream_id`, `slug`, `title`, `topic_id`, `repo_id?`, `repo_goal_id?`                                                    |
 | `org.statehub.decision.resolved`     | A decision is resolved via `POST /decisions/{id}/resolve`    | `decision_id`, `title`, `topic_id?`, `workstream_id?`, `decided_by`, `rationale_snippet`                                     |
 | `org.statehub.domain.goal.activated` | A domain goal transitions to `active`                        | `goal_id`, `domain_id`, `domain_slug`, `title`, `superseded_goal_ids[]`                                                      |
 | `org.statehub.task.stale`            | `scripts/cleanup_stale_tasks.py` cancels an out-of-date task | `task_id`, `workstream_id`, `workstream_status`, `task_title`, `task_status_before`                                          |

docs/workplan-terminology-transition.md

@@ -0,0 +1,83 @@
+# Workplan Terminology Transition
+
+Date: 2026-06-04
+Status: implementation guide for `STATE-WP-0054`
+
+## Position
+
+`workplan` is the preferred State Hub term for repo-backed deliverable work.
+`workstream` remains a legacy compatibility term for interfaces that already
+exist in clients, database relationships, event subjects, scripts, and generated
+bridge metadata.
+
+The transition is compatibility-first:
+
+- new clients should use workplan-named interfaces;
+- existing workstream interfaces remain operational while they are used;
+- retained workstream interfaces are registered in `legacy-meter`;
+- every legacy registration records the preferred replacement; and
+- weekly activity-core review uses legacy-meter data to decide when a legacy
+  interface is safe to retire.
+
+Physical database renames are intentionally out of scope for this workplan.
+
+## Preferred Interfaces
+
+| Interface | Preferred path or subject | Legacy compatibility path or subject | Legacy-meter key |
+| --- | --- | --- | --- |
+| List workplans | `GET /workplans/` | `GET /workstreams/` | `rest_api:GET /workstreams/` |
+| Create workplan | `POST /workplans/` | `POST /workstreams/` | `rest_api:POST /workstreams/` |
+| Read workplan | `GET /workplans/{workplan_id}` | `GET /workstreams/{workstream_id}` | `rest_api:GET /workstreams/{workstream_id}` |
+| Update workplan | `PATCH /workplans/{workplan_id}` | `PATCH /workstreams/{workstream_id}` | `rest_api:PATCH /workstreams/{workstream_id}` |
+| Archive workplan | `DELETE /workplans/{workplan_id}` | `DELETE /workstreams/{workstream_id}` | `rest_api:DELETE /workstreams/{workstream_id}` |
+| Workplan index | `GET /workplans/index` | `GET /workstreams/workplan-index` | `rest_api:GET /workstreams/workplan-index` |
+| Workplan dependencies | `GET/POST /workplans/{workplan_id}/dependencies/` | `GET/POST /workstreams/{workstream_id}/dependencies/` | matching `rest_api:* /workstreams/...` keys |
+| Delete dependency | `DELETE /workplans/{workplan_id}/dependencies/{dep_id}` | `DELETE /workstreams/{workstream_id}/dependencies/{dep_id}` | `rest_api:DELETE /workstreams/{workstream_id}/dependencies/{dep_id}` |
+| Execution intent | `PATCH /execution/workplans/{workplan_id}/intent` | `PATCH /execution/workstreams/{workstream_id}/intent` | `rest_api:PATCH /execution/workstreams/{workstream_id}/intent` |
+| Completion event | `org.statehub.workplan.completed` | `org.statehub.workstream.completed` | `event_subject:org.statehub.workstream.completed` |
+
+Legacy REST responses include:
+
+- `Deprecation: true`
+- `X-StateHub-Replacement: <preferred interface>`
+- `Link: <<preferred interface>>; rel="successor-version"`
+
+## Legacy Meter
+
+`legacy-meter` stores two kinds of data:
+
+- `legacy_interfaces`: the registry of legacy interfaces, their legacy
+  timestamp, preferred replacement, owner component, hold status, and replacement
+  verification state.
+- `legacy_interface_usage_buckets`: daily usage buckets for calls, tenants,
+  users, and components.
+
+When identity headers are missing, usage is recorded in the explicit `unknown`
+bucket. Clients can provide:
+
+- `X-StateHub-Tenant`
+- `X-StateHub-User`
+- `X-StateHub-Component`
+
+Useful endpoints:
+
+| Endpoint | Purpose |
+| --- | --- |
+| `POST /legacy-meter/interfaces` | Register or update a legacy interface. |
+| `GET /legacy-meter/interfaces` | List registered legacy interfaces. |
+| `POST /legacy-meter/usage` | Record explicit usage outside an instrumented route. |
+| `GET /legacy-meter/summary` | Show usage counters for a review window. |
+| `GET /legacy-meter/weekly-review` | Activity-core-friendly weekly review payload. |
+
+## Retirement Rule
+
+An interface is a retirement candidate only when all of the following are true:
+
+- it is registered as legacy;
+- it has a replacement reference;
+- the replacement has been verified;
+- it has no manual hold;
+- it had zero measured calls in the review window.
+
+State Hub owns the usage state and the review payload. Activity-core owns the
+weekly wakeup, review activity, and any follow-up dispatch.

migrations/versions/a4v5w6x7y8z0_legacy_meter.py

@@ -0,0 +1,107 @@
+"""add legacy meter tables
+
+Revision ID: a4v5w6x7y8z0
+Revises: z3u4v5w6x7y8
+Create Date: 2026-06-04
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects.postgresql import UUID
+
+revision = "a4v5w6x7y8z0"
+down_revision = "z3u4v5w6x7y8"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        "legacy_interfaces",
+        sa.Column("id", UUID(as_uuid=True), primary_key=True),
+        sa.Column("interface_key", sa.String(length=300), nullable=False),
+        sa.Column("interface_kind", sa.String(length=40), nullable=False),
+        sa.Column("legacy_since", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
+        sa.Column("replacement_ref", sa.Text(), nullable=False),
+        sa.Column("owner_component", sa.String(length=100), server_default="state-hub", nullable=False),
+        sa.Column("status", sa.String(length=30), server_default="legacy", nullable=False),
+        sa.Column("replacement_verified", sa.Boolean(), server_default=sa.text("false"), nullable=False),
+        sa.Column("manual_hold", sa.Boolean(), server_default=sa.text("false"), nullable=False),
+        sa.Column("hold_reason", sa.Text(), nullable=True),
+        sa.Column("notes", sa.Text(), nullable=True),
+        sa.Column("retired_at", sa.DateTime(timezone=True), nullable=True),
+        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
+        sa.Column("updated_at", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
+        sa.UniqueConstraint("interface_key", name="uq_legacy_interfaces_interface_key"),
+    )
+    op.create_index("ix_legacy_interfaces_interface_key", "legacy_interfaces", ["interface_key"])
+    op.create_index("ix_legacy_interfaces_interface_kind", "legacy_interfaces", ["interface_kind"])
+    op.create_index("ix_legacy_interfaces_legacy_since", "legacy_interfaces", ["legacy_since"])
+    op.create_index("ix_legacy_interfaces_owner_component", "legacy_interfaces", ["owner_component"])
+    op.create_index("ix_legacy_interfaces_status", "legacy_interfaces", ["status"])
+
+    op.create_table(
+        "legacy_interface_usage_buckets",
+        sa.Column("id", UUID(as_uuid=True), primary_key=True),
+        sa.Column(
+            "legacy_interface_id",
+            UUID(as_uuid=True),
+            sa.ForeignKey("legacy_interfaces.id", ondelete="CASCADE"),
+            nullable=False,
+        ),
+        sa.Column("period_start", sa.Date(), nullable=False),
+        sa.Column("bucket_kind", sa.String(length=30), nullable=False),
+        sa.Column("bucket_key", sa.String(length=200), nullable=False),
+        sa.Column("call_count", sa.Integer(), server_default="0", nullable=False),
+        sa.Column("first_seen_at", sa.DateTime(timezone=True), nullable=False),
+        sa.Column("last_seen_at", sa.DateTime(timezone=True), nullable=False),
+        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
+        sa.Column("updated_at", sa.DateTime(timezone=True), server_default=sa.text("now()"), nullable=False),
+        sa.UniqueConstraint(
+            "legacy_interface_id",
+            "period_start",
+            "bucket_kind",
+            "bucket_key",
+            name="uq_legacy_usage_bucket",
+        ),
+    )
+    op.create_index(
+        "ix_legacy_interface_usage_buckets_legacy_interface_id",
+        "legacy_interface_usage_buckets",
+        ["legacy_interface_id"],
+    )
+    op.create_index(
+        "ix_legacy_interface_usage_buckets_period_start",
+        "legacy_interface_usage_buckets",
+        ["period_start"],
+    )
+    op.create_index(
+        "ix_legacy_interface_usage_buckets_last_seen_at",
+        "legacy_interface_usage_buckets",
+        ["last_seen_at"],
+    )
+    op.create_index(
+        "ix_legacy_usage_interface_period",
+        "legacy_interface_usage_buckets",
+        ["legacy_interface_id", "period_start"],
+    )
+    op.create_index(
+        "ix_legacy_usage_bucket_kind_key",
+        "legacy_interface_usage_buckets",
+        ["bucket_kind", "bucket_key"],
+    )
+
+
+def downgrade() -> None:
+    op.drop_index("ix_legacy_usage_bucket_kind_key", table_name="legacy_interface_usage_buckets")
+    op.drop_index("ix_legacy_usage_interface_period", table_name="legacy_interface_usage_buckets")
+    op.drop_index("ix_legacy_interface_usage_buckets_last_seen_at", table_name="legacy_interface_usage_buckets")
+    op.drop_index("ix_legacy_interface_usage_buckets_period_start", table_name="legacy_interface_usage_buckets")
+    op.drop_index("ix_legacy_interface_usage_buckets_legacy_interface_id", table_name="legacy_interface_usage_buckets")
+    op.drop_table("legacy_interface_usage_buckets")
+    op.drop_index("ix_legacy_interfaces_status", table_name="legacy_interfaces")
+    op.drop_index("ix_legacy_interfaces_owner_component", table_name="legacy_interfaces")
+    op.drop_index("ix_legacy_interfaces_legacy_since", table_name="legacy_interfaces")
+    op.drop_index("ix_legacy_interfaces_interface_kind", table_name="legacy_interfaces")
+    op.drop_index("ix_legacy_interfaces_interface_key", table_name="legacy_interfaces")
+    op.drop_table("legacy_interfaces")

tests/test_cors.py

@@ -0,0 +1,31 @@
+from __future__ import annotations
+
+
+async def _preflight(client, origin: str):
+    return await client.options(
+        "/state/summary",
+        headers={
+            "Origin": origin,
+            "Access-Control-Request-Method": "GET",
+        },
+    )
+
+
+async def test_dashboard_cors_allows_observable_fallback_ports(client):
+    for origin in (
+        "http://localhost:3000",
+        "http://127.0.0.1:3000",
+        "http://localhost:3001",
+        "http://127.0.0.1:3001",
+        "http://[::1]:3000",
+    ):
+        response = await _preflight(client, origin)
+
+        assert response.status_code == 200
+        assert response.headers["access-control-allow-origin"] == origin
+
+
+async def test_dashboard_cors_still_rejects_non_dashboard_ports(client):
+    response = await _preflight(client, "http://localhost:5173")
+
+    assert response.status_code == 400

tests/test_legacy_meter.py

@@ -0,0 +1,167 @@
+from __future__ import annotations
+
+
+async def _create_domain(client, slug="legacy-domain", name="Legacy Domain"):
+    r = await client.post("/domains/", json={"slug": slug, "name": name})
+    assert r.status_code == 201, r.text
+    return r.json()
+
+
+async def _create_topic(client, domain_slug="legacy-domain", slug="legacy-topic", title="Legacy Topic"):
+    r = await client.post("/topics/", json={
+        "slug": slug,
+        "title": title,
+        "domain": domain_slug,
+    })
+    assert r.status_code == 201, r.text
+    return r.json()
+
+
+async def _create_workplan(client, topic_id, slug="legacy-wp", title="Legacy WP"):
+    r = await client.post("/workplans/", json={
+        "topic_id": topic_id,
+        "slug": slug,
+        "title": title,
+        "status": "ready",
+    })
+    assert r.status_code == 201, r.text
+    return r.json()
+
+
+def _summary_by_key(summary):
+    return {item["interface"]["interface_key"]: item for item in summary["interfaces"]}
+
+
+class TestWorkplanAliasesAndLegacyMeter:
+    async def test_preferred_workplan_routes_do_not_meter_legacy_usage(self, client):
+        await _create_domain(client)
+        topic = await _create_topic(client)
+        wp = await _create_workplan(client, topic["id"])
+
+        r = await client.get(f"/workplans/?topic_id={topic['id']}")
+        assert r.status_code == 200
+        assert [row["id"] for row in r.json()] == [wp["id"]]
+
+        r = await client.patch(f"/workplans/{wp['id']}", json={"status": "active"})
+        assert r.status_code == 200
+        assert r.json()["status"] == "active"
+
+        r = await client.get("/legacy-meter/summary")
+        assert r.status_code == 200
+        assert r.json()["interfaces"] == []
+
+    async def test_legacy_workstream_route_is_metered_with_identity_buckets(self, client):
+        await _create_domain(client)
+        topic = await _create_topic(client)
+        await _create_workplan(client, topic["id"])
+
+        r = await client.get(
+            f"/workstreams/?topic_id={topic['id']}",
+            headers={
+                "X-StateHub-Tenant": "tenant-a",
+                "X-StateHub-User": "alice",
+                "X-StateHub-Component": "old-client",
+            },
+        )
+        assert r.status_code == 200
+        assert r.headers["Deprecation"] == "true"
+        assert r.headers["X-StateHub-Replacement"] == "/workplans/"
+
+        summary = (await client.get("/legacy-meter/summary")).json()
+        item = _summary_by_key(summary)["rest_api:GET /workstreams/"]
+        assert item["window"]["calls"] == 1
+        assert item["window"]["tenants"] == {"tenant-a": 1}
+        assert item["window"]["users"] == {"alice": 1}
+        assert item["window"]["components"] == {"old-client": 1}
+        assert item["retirement_candidate"] is False
+
+    async def test_weekly_review_reports_unused_verified_legacy_interface(self, client):
+        r = await client.post("/legacy-meter/interfaces", json={
+            "interface_key": "rest_api:GET /obsolete",
+            "interface_kind": "rest_api",
+            "replacement_ref": "/workplans/",
+            "replacement_verified": True,
+        })
+        assert r.status_code == 201, r.text
+
+        review = (await client.get("/legacy-meter/weekly-review")).json()
+        assert review["activity_core_handoff"]["scheduler_owner"] == "activity-core"
+        candidates = _summary_by_key({"interfaces": review["retirement_candidates"]})
+        assert "rest_api:GET /obsolete" in candidates
+        assert candidates["rest_api:GET /obsolete"]["retirement_reason"] == "no measured usage in review window"
+
+    async def test_recent_usage_blocks_weekly_retirement_candidate(self, client):
+        r = await client.post("/legacy-meter/usage", json={
+            "interface_key": "rest_api:GET /old-but-used",
+            "interface_kind": "rest_api",
+            "replacement_ref": "/workplans/",
+            "replacement_verified": True,
+            "tenant_key": "tenant-a",
+            "user_key": "alice",
+            "component_key": "old-client",
+        })
+        assert r.status_code == 201, r.text
+
+        review = (await client.get("/legacy-meter/weekly-review")).json()
+        items = _summary_by_key(review)
+        item = items["rest_api:GET /old-but-used"]
+        assert item["window"]["calls"] == 1
+        assert item["retirement_candidate"] is False
+        assert item["retirement_reason"] == "1 call(s) in review window"
+
+    async def test_legacy_completion_event_is_metered_and_workplan_event_is_preferred(self, client):
+        await _create_domain(client)
+        topic = await _create_topic(client)
+        wp = await _create_workplan(client, topic["id"])
+
+        r = await client.patch(
+            f"/workstreams/{wp['id']}",
+            json={"status": "finished"},
+            headers={"X-StateHub-Component": "old-client"},
+        )
+        assert r.status_code == 200
+        assert r.json()["status"] == "finished"
+
+        summary = (await client.get("/legacy-meter/summary")).json()
+        items = _summary_by_key(summary)
+        assert items["rest_api:PATCH /workstreams/{workstream_id}"]["window"]["components"] == {
+            "old-client": 1
+        }
+        event = items["event_subject:org.statehub.workstream.completed"]
+        assert event["interface"]["replacement_ref"] == "org.statehub.workplan.completed"
+        assert event["window"]["components"] == {"state-hub.events": 1}
+
+    async def test_workplan_dependency_and_execution_aliases(self, client):
+        await _create_domain(client)
+        topic = await _create_topic(client)
+        first = await _create_workplan(client, topic["id"], slug="first", title="First")
+        second = await _create_workplan(client, topic["id"], slug="second", title="Second")
+
+        r = await client.post(
+            f"/workplans/{first['id']}/dependencies/",
+            json={"to_workstream_id": second["id"]},
+        )
+        assert r.status_code == 201, r.text
+
+        r = await client.get(f"/workplans/{first['id']}/dependencies/")
+        assert r.status_code == 200
+        assert len(r.json()) == 1
+
+        r = await client.patch(
+            f"/execution/workplans/{first['id']}/intent",
+            json={"execution_state": "queued", "launch_mode": "queued"},
+        )
+        assert r.status_code == 200
+        assert r.json()["execution_state"] == "queued"
+
+        r = await client.patch(
+            f"/execution/workstreams/{first['id']}/intent",
+            json={"execution_state": "manual", "launch_mode": "manual"},
+            headers={"X-StateHub-Component": "old-executor"},
+        )
+        assert r.status_code == 200
+        assert r.headers["X-StateHub-Replacement"] == "/execution/workplans/{workplan_id}/intent"
+
+        summary = (await client.get("/legacy-meter/summary")).json()
+        item = _summary_by_key(summary)["rest_api:PATCH /execution/workstreams/{workstream_id}/intent"]
+        assert item["window"]["components"] == {"old-executor": 1}

workplans/ADHOC-2026-06-04.md

@@ -0,0 +1,34 @@
+---
+id: ADHOC-2026-06-04
+type: workplan
+title: "Ad hoc fixes - 2026-06-04"
+domain: custodian
+repo: state-hub
+status: finished
+owner: codex
+topic_slug: custodian
+created: "2026-06-04"
+updated: "2026-06-04"
+state_hub_workstream_id: "2a8f3aff-8f5d-4e42-b33f-225d60e0b30b"
+---
+
+# Ad hoc fixes - 2026-06-04
+
+## Fix Dashboard Overview API Loading
+
+```task
+id: ADHOC-2026-06-04-T01
+status: done
+priority: high
+state_hub_task_id: "5f6aa1e4-ccc5-4c8b-8183-cc1578190b7b"
+```
+
+The overview page reported `Dashboard data load failed: NetworkError when
+attempting to fetch resource.` even when the API was healthy from Windows.
+The root cause was brittle browser/API connection setup: the dashboard assumed
+`http://127.0.0.1:8000`, while the API CORS defaults allowed only the exact
+dashboard origins on port 3000.
+
+Result: the dashboard now resolves its API base from the current browser host
+with explicit query/storage/global overrides, and the API allows common local
+Observable dashboard origins on ports 3000-3005, including IPv6 loopback.

workplans/STATE-WP-0052-task-state-canon-adaptation.md

@@ -4,11 +4,11 @@ type: workplan
 title: "Task State Canon Adaptation"
 domain: custodian
 repo: state-hub
-status: active
+status: finished
 owner: codex
 topic_slug: custodian
 created: "2026-05-25"
-updated: "2026-05-25"
+updated: "2026-06-04"
 state_hub_workstream_id: "bc54c18b-4d98-430d-b9ad-c4410010c897"
 ---
 
@@ -321,7 +321,7 @@ task, or a recorded no-impact classification.
 
 ```task
 id: STATE-WP-0052-T10
-status: wait
+status: done
 priority: medium
 state_hub_task_id: "1cde226a-6287-4db4-9d2f-7fa9ed0b6c4d"
 ```
@@ -342,10 +342,11 @@ Requirements:
 Done when State Hub is canon-conformant, attached repos have been notified, and
 the remaining compatibility window is explicit.
 
-Current wait condition: attached repos have been notified through interface
-change `649102a2-4373-4621-9848-cc257e67c262`; closing the compatibility window
-depends on repo-agent responses and a later decision on when aliases become
-warnings or errors.
+Close-out note: attached repos were notified through interface change
+`649102a2-4373-4621-9848-cc257e67c262`; decision
+`c386f42f-a50a-41d9-9457-f384227f8f6c` keeps legacy aliases accepted during the
+adaptation window and leaves any future warnings/errors to a later explicit
+decision.
 
 ## Acceptance Criteria
 

workplans/STATE-WP-0054-workplan-terminology-transition-legacy-meter.md

@@ -4,13 +4,13 @@ type: workplan
 title: "Workplan Terminology Transition and Legacy Meter"
 domain: custodian
 repo: state-hub
-status: proposed
+status: finished
 owner: codex
 topic_slug: custodian
 planning_priority: high
 planning_order: 54
 created: "2026-06-03"
-updated: "2026-06-03"
+updated: "2026-06-04"
 state_hub_workstream_id: "471401c8-38b2-46fd-ae34-052825710376"
 ---
 
@@ -100,7 +100,7 @@ record an explicit `unknown` bucket instead of dropping the observation.
 
 ```task
 id: STATE-WP-0054-T01
-status: todo
+status: done
 priority: high
 state_hub_task_id: "f43ed8c0-f62c-42af-b38f-d4ccd7a7bed5"
 ```
@@ -117,11 +117,15 @@ or out of scope. Map every legacy-compatible interface to its preferred
 Done when the repo has a reviewed compatibility matrix that separates semantic
 renames from high-risk storage or event-contract changes.
 
+Result 2026-06-04: added `docs/workplan-terminology-transition.md` with the
+preferred workplan interfaces, legacy workstream compatibility paths,
+legacy-meter keys, retirement rules, and activity-core handoff boundary.
+
 ### T02 - Add Preferred Workplan Interface Variants
 
 ```task
 id: STATE-WP-0054-T02
-status: todo
+status: done
 priority: high
 state_hub_task_id: "65dca8e4-a032-4b1a-a21f-8559f1fb87f5"
 ```
@@ -142,11 +146,17 @@ Likely examples:
 Done when new clients can use workplan-named interfaces without relying on
 workstream-named entry points.
 
+Result 2026-06-04: added preferred REST aliases for `/workplans`,
+`/workplans/{id}`, `/workplans/index`,
+`/workplans/{id}/dependencies/`, and
+`/execution/workplans/{id}/intent`. Completion now also emits preferred
+`org.statehub.workplan.completed` events while retaining the legacy event.
+
 ### T03 - Implement Legacy Meter Data Model And Service
 
 ```task
 id: STATE-WP-0054-T03
-status: todo
+status: done
 priority: high
 state_hub_task_id: "b4008ab7-1f59-4ea7-a728-48557473c22d"
 ```
@@ -162,11 +172,15 @@ update first/last seen timestamps.
 Done when tests can register a legacy interface and prove usage counters are
 updated without changing the legacy interface's behavior.
 
+Result 2026-06-04: added `legacy_interfaces` and
+`legacy_interface_usage_buckets` models, migration, schemas, service helpers,
+and `/legacy-meter` registration/usage/summary endpoints.
+
 ### T04 - Instrument Legacy Workstream Interfaces
 
 ```task
 id: STATE-WP-0054-T04
-status: todo
+status: done
 priority: high
 state_hub_task_id: "28c31bbc-4479-4dd9-8e2c-08235e81ba91"
 ```
@@ -182,11 +196,16 @@ must not break the legacy interface path.
 Done when calls to selected `workstream` interfaces appear in legacy-meter
 usage summaries with call counts and tenant/user/component buckets.
 
+Result 2026-06-04: instrumented retained `/workstreams` REST routes,
+dependency routes, `/execution/workstreams/{id}/intent`, and the legacy
+`org.statehub.workstream.completed` event subject. Legacy REST responses now
+include deprecation and replacement headers.
+
 ### T05 - Add Legacy Usage Review And Retirement Signals
 
 ```task
 id: STATE-WP-0054-T05
-status: todo
+status: done
 priority: high
 state_hub_task_id: "fca14802-1a15-4b5a-8267-5348666b3c50"
 ```
@@ -206,11 +225,16 @@ An interface becomes a retirement candidate only when:
 Done when State Hub can produce a precise retirement-candidate list without
 manual log scraping.
 
+Result 2026-06-04: added `/legacy-meter/summary` and
+`/legacy-meter/weekly-review` with review-window counters, last-seen timestamps,
+identity buckets, verified-replacement gating, manual holds, and retirement
+candidate reasons.
+
 ### T06 - Schedule Weekly Activity-Core Review
 
 ```task
 id: STATE-WP-0054-T06
-status: todo
+status: done
 priority: high
 state_hub_task_id: "3d6fb438-707f-45e8-9c38-3e7352ae2a93"
 ```
@@ -226,11 +250,15 @@ letting activity-core own wakeups, schedules, and dispatch.
 Done when a weekly activity-core check can read legacy-meter summaries and
 raise retirement work only for interfaces with no prior-week usage.
 
+Result 2026-06-04: exposed activity-core handoff metadata in
+`/legacy-meter/weekly-review`: weekly cadence, source endpoint, State Hub as
+state owner, and activity-core as scheduler owner.
+
 ### T07 - Update Documentation, Dashboard Labels, And Agent Guidance
 
 ```task
 id: STATE-WP-0054-T07
-status: todo
+status: done
 priority: medium
 state_hub_task_id: "55a05f68-a337-412c-8462-847e6465d15e"
 ```
@@ -243,11 +271,15 @@ interfaces and link to their preferred replacements.
 Done when new users and agents are guided toward workplan terminology without
 losing instructions for existing compatibility paths.
 
+Result 2026-06-04: updated State Hub docs, dashboard API calls/reference docs,
+NATS event docs, README, and AGENTS guidance to prefer workplan terminology and
+document legacy workstream compatibility.
+
 ### T08 - Prove Compatibility And Rollout Safety
 
 ```task
 id: STATE-WP-0054-T08
-status: todo
+status: done
 priority: high
 state_hub_task_id: "2ae2580f-4626-49fe-aec6-ca9340792afd"
 ```
@@ -263,6 +295,16 @@ exist, and what activity-core will review weekly.
 Done when existing `workstream` clients still pass, new `workplan` clients pass,
 and legacy-meter telemetry proves the compatibility window is observable.
 
+Progress 2026-06-04: added `tests/test_legacy_meter.py` for preferred
+workplan routes, legacy route metering, identity buckets, weekly retirement
+review, completion event metering, dependency aliases, and execution aliases.
+Focused verification passed with
+`.venv/bin/python -m pytest tests/test_legacy_meter.py tests/test_routers_core.py::TestWorkstreams tests/test_routers_core.py::TestExecutionQueueEndpoints`.
+
+Result 2026-06-04: full backend verification passed with
+`.venv/bin/python -m pytest` (`340 passed`), dashboard verification passed with
+`npm test` in `dashboard/` (`11 passed`), and `git diff --check` passed.
+
 ## Acceptance Criteria
 
 - `workplan` is the recommended user-facing term in State Hub docs, dashboard
@@ -279,4 +321,3 @@ and legacy-meter telemetry proves the compatibility window is observable.
   documented replacement.
 - No physical database or event-contract rename is required in this workplan
   unless compatibility evidence shows it is safe.
-