docs: record json rpc workflow transport

docs/current_roadmap.md

@@ -90,6 +90,9 @@ implementation state.
      transactional storage, and live upstream MCP sources.
     - First slice implemented: `wf_server` can construct a local/static durable
       `WorkflowApi` without `WfMcpService`. Transport adapters remain future work.
+    - Completed: the first JSON-RPC-over-HTTP transport can expose the local/static
+      `WorkflowServer` through fixed dotted methods. Remote CLI targeting remains
+      the next transport-facing slice.
 
 5. **CLI/API alignment**
    - Let the CLI target either local process-backed stores/runtime or the future

docs/superpowers/specs/2026-06-03-long-lived-workflow-api-boundary.md

@@ -275,6 +275,15 @@ composition:
 
 It should not implement source provider management yet.
 
+Implementation status:
+
+- `wf_transport_rpc_http.create_rpc_app(server)` exposes a fixed JSON-RPC
+  method set over an existing `wf_server.WorkflowServer`.
+- `wf-rpc-server --store-root <path>` starts the local/static server over
+  `/rpc`.
+- This slice still does not include remote `wf` CLI targeting, auth,
+  streaming/progress, or live upstream MCP source management.
+
 Preferred implementation dependency:
 
 ```bash

src/wf_transport_rpc_http/app.py

@@ -72,7 +72,9 @@ def create_rpc_app(server: WorkflowServer) -> jsonrpc.API:
         except (ValueError, KeyError, LookupError, FileNotFoundError) as exc:
             raise_workflow_rpc_error(exc)
 
-    @entrypoint.method(name="workflow.drafts.create_from_capability", errors=[WorkflowRpcError])
+    @entrypoint.method(
+        name="workflow.drafts.create_from_capability", errors=[WorkflowRpcError]
+    )
     async def workflow_drafts_create_from_capability(
         params: CreateDraftFromCapabilityParams = Params(...),
     ) -> dict[str, Any]:

tests/wf_transport_rpc_http/test_app.py

@@ -11,7 +11,9 @@ from wf_server import build_local_static_workflow_server
 from wf_transport_rpc_http.app import create_rpc_app
 
 
-async def _rpc(client: httpx.AsyncClient, method: str, params: dict[str, Any]) -> dict[str, Any]:
+async def _rpc(
+    client: httpx.AsyncClient, method: str, params: dict[str, Any]
+) -> dict[str, Any]:
     response = await client.post(
         "/rpc",
         json={"jsonrpc": "2.0", "id": "test", "method": method, "params": params},
@@ -25,7 +27,9 @@ def test_rpc_health_and_capability_methods(tmp_path) -> None:
         server = build_local_static_workflow_server(tmp_path / "store")
         app = create_rpc_app(server)
         transport = httpx.ASGITransport(app=app)
-        async with httpx.AsyncClient(transport=transport, base_url="http://test") as client:
+        async with httpx.AsyncClient(
+            transport=transport, base_url="http://test"
+        ) as client:
             health_response = await client.get("/healthz")
             health = await _rpc(client, "workflow.health", {})
             listed = await _rpc(
@@ -53,7 +57,9 @@ def test_rpc_unknown_method_returns_json_rpc_error(tmp_path) -> None:
         server = build_local_static_workflow_server(tmp_path / "store")
         app = create_rpc_app(server)
         transport = httpx.ASGITransport(app=app)
-        async with httpx.AsyncClient(transport=transport, base_url="http://test") as client:
+        async with httpx.AsyncClient(
+            transport=transport, base_url="http://test"
+        ) as client:
             payload = await _rpc(client, "workflow.nope", {})
 
         assert payload["error"]["code"] == -32601
@@ -67,7 +73,9 @@ def test_rpc_draft_artifact_deployment_lifecycle(tmp_path) -> None:
         server = build_local_static_workflow_server(tmp_path / "store")
         app = create_rpc_app(server)
         transport = httpx.ASGITransport(app=app)
-        async with httpx.AsyncClient(transport=transport, base_url="http://test") as client:
+        async with httpx.AsyncClient(
+            transport=transport, base_url="http://test"
+        ) as client:
             draft_ws = await _rpc(
                 client,
                 "workflow.drafts.create_from_capability",
@@ -249,7 +257,9 @@ def test_rpc_runs_deployment_and_reads_bounded_trace(tmp_path) -> None:
 
         app = create_rpc_app(server)
         transport = httpx.ASGITransport(app=app)
-        async with httpx.AsyncClient(transport=transport, base_url="http://test") as client:
+        async with httpx.AsyncClient(
+            transport=transport, base_url="http://test"
+        ) as client:
             run = await _rpc(
                 client,
                 "workflow.runs.start",