feat: persist and inspect run step budgets

src/wf_mcp/broker/service/core.py

@@ -15,6 +15,7 @@ from wf_artifacts import (
 )
 from wf_authoring import NodeSpec
 from wf_core import (
+    RunLimits,
     RunState,
     Workflow,
 )
@@ -343,6 +344,7 @@ class WfMcpService:
         deployment: WorkflowDeployment | None = None,
         artifact: WorkflowArtifact | None = None,
         saved_subgraph_tree: SavedSubgraphTree | None = None,
+        limits: RunLimits | None = None,
     ):
         return await self.workflow_runtime.run_workflow_from_plan(
             plan,
@@ -350,6 +352,7 @@ class WfMcpService:
             deployment=deployment,
             artifact=artifact,
             saved_subgraph_tree=saved_subgraph_tree,
+            limits=limits,
         )
 
     async def resume_workflow_from_plan(

src/wf_mcp/broker/service/workflow_operation_context.py

@@ -13,6 +13,7 @@ from wf_api.operation_context import (
 )
 from wf_artifacts import DependencyDiagnostic, WorkflowArtifact, WorkflowDeployment
 from wf_authoring import NodeSpec
+from wf_core import RunLimits
 
 from .core import WfMcpService
 from .events import BrokerEventRecorder
@@ -70,6 +71,7 @@ class WfMcpWorkflowRuntimeRunner(WorkflowRuntimeRunner):
         deployment=None,
         artifact=None,
         saved_subgraph_tree=None,
+        limits: RunLimits | None = None,
     ):
         return await self.runtime.run_workflow_from_plan(
             plan,
@@ -77,6 +79,7 @@ class WfMcpWorkflowRuntimeRunner(WorkflowRuntimeRunner):
             deployment=deployment,
             artifact=artifact,
             saved_subgraph_tree=saved_subgraph_tree,
+            limits=limits,
         )
 
     async def resume_workflow_from_plan(

src/wf_mcp/broker/service/workflow_runtime.py

@@ -16,6 +16,7 @@ from wf_artifacts import WorkflowArtifact, WorkflowArtifactStore, WorkflowDeploy
 from wf_authoring import NodeSpec
 from wf_core import (
     NodeUse,
+    RunLimits,
     RunState,
     RunStatus,
     Workflow,
@@ -163,6 +164,7 @@ class WorkflowRuntimeService:
         deployment: WorkflowDeployment | None = None,
         artifact: WorkflowArtifact | None = None,
         saved_subgraph_tree: SavedSubgraphTree | None = None,
+        limits: RunLimits | None = None,
     ) -> RunState:
         self.emit_event(
             make_event(
@@ -186,6 +188,7 @@ class WorkflowRuntimeService:
             reducers=reducers,
             subgraphs=prepared_subgraphs,
             platform=platform_context,
+            limits=limits,
         )
         self.emit_event(
             make_event(