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third slice: artifacts and deployments...

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lda
2026-06-02 01:04:05 +07:00 Verified
parent fb8baf02ea
commit c46c636694
11 changed files with 2004 additions and 388 deletions
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src/wf_mcp/broker/service/workflow_live_checks.py
+107
View File
@@ -0,0 +1,107 @@
"""MCP-adapter-owned live source diagnostics for deployment validation.
Static deployment validation only checks the last known source catalog.
This probe intentionally performs live upstream I/O, so MCP tools keep it
disabled by default and only run it when the caller asks for liveness.
This module owns the MCP-only imports to avoid a circular import:
handlers.py -> workflow_operation_context.py -> handlers.py
"""
from __future__ import annotations
import asyncio
from collections.abc import Sequence
import anyio
import httpx
from mcp.client.streamable_http import StreamableHTTPError
from mcp.shared.exceptions import McpError
from wf_artifacts import DependencyDiagnostic, DiagnosticSeverity, WorkflowArtifact, WorkflowDeployment
from .adapters import require_adapter
from .core import WfMcpService
LIVE_SOURCE_CHECK_TIMEOUT_SECONDS = 8.0
_LIVE_SOURCE_CHECK_FAILURES = (
KeyError,
TimeoutError,
OSError,
anyio.ClosedResourceError,
anyio.EndOfStream,
anyio.BrokenResourceError,
httpx.HTTPError,
McpError,
StreamableHTTPError,
)
def _required_live_sources(
deployment: WorkflowDeployment,
artifacts: Sequence[WorkflowArtifact],
) -> dict[str, str]:
"""Return concrete upstream source ids to live-check, with one logical ref."""
bindings = deployment.binding_map()
required: dict[str, str] = {}
for artifact in artifacts:
for logical_ref, capability in artifact.required_capability_map().items():
source_id = bindings.get(capability.logical_source)
if source_id is not None:
required.setdefault(source_id, logical_ref)
return required
async def live_source_diagnostics(
service: WfMcpService,
*,
deployment: WorkflowDeployment,
artifacts: Sequence[WorkflowArtifact],
) -> list[DependencyDiagnostic]:
"""Return opt-in diagnostics for bound upstream sources that cannot answer.
Static deployment validation only checks the last known source catalog.
This probe intentionally performs live upstream I/O, so MCP tools keep it
disabled by default and only run it when the caller asks for liveness.
"""
diagnostics: list[DependencyDiagnostic] = []
for source_id, logical_ref in _required_live_sources(deployment, artifacts).items():
source = service.capability_sources.get(source_id)
if (
source is None
or not source.enabled
or not source.permissions.calls_upstream
):
continue
try:
connection = service.connections.get(source_id)
adapter = require_adapter(connection, service.adapters)
auth = service.load_auth(source_id)
await asyncio.wait_for(
adapter.list_tools(connection, auth),
timeout=LIVE_SOURCE_CHECK_TIMEOUT_SECONDS,
)
except _LIVE_SOURCE_CHECK_FAILURES as exc:
diagnostics.append(
DependencyDiagnostic(
severity=DiagnosticSeverity.ERROR,
code="source_unreachable",
logical_ref=logical_ref,
bound_source=source_id,
message=(
f"Live check for upstream source {source_id!r} failed: "
f"{type(exc).__name__}: {exc}"
),
repair_hint=(
"Start or reconnect the source, fix its transport/auth "
"configuration, or bind this deployment to another source."
),
)
)
return diagnostics
__all__ = [
"LIVE_SOURCE_CHECK_TIMEOUT_SECONDS",
"live_source_diagnostics",
]
src/wf_mcp/broker/service/workflow_operation_context.py
+27 -11
View File
@@ -1,8 +1,10 @@
from __future__ import annotations
from collections.abc import Sequence
from dataclasses import dataclass
from typing import Any
from wf_artifacts import DependencyDiagnostic, WorkflowArtifact, WorkflowDeployment
from wf_api.operation_context import (
WorkflowArtifactCataloger,
WorkflowEventRecorder,
@@ -11,8 +13,10 @@ from wf_api.operation_context import (
WorkflowRuntimeRunner,
WorkflowSpecProvider,
)
from wf_mcp.events import make_event
from .core import WfMcpService
from .workflow_live_checks import live_source_diagnostics
@dataclass(frozen=True, slots=True)
@@ -24,6 +28,17 @@ class WfMcpWorkflowEventRecorder(WorkflowEventRecorder):
def record_event(self, event: Any) -> None:
self.service._record_event(event) # noqa: SLF001
def record_workflow_event(
self,
event_type: str,
*,
capability_id: str,
payload: dict[str, Any],
) -> None:
self.service._record_event( # noqa: SLF001
make_event(event_type, capability_id=capability_id, payload=payload)
)
@dataclass(frozen=True, slots=True)
class WfMcpWorkflowSpecProvider(WorkflowSpecProvider):
@@ -64,20 +79,21 @@ class WfMcpWorkflowRuntimeRunner(WorkflowRuntimeRunner):
@dataclass(frozen=True, slots=True)
class WfMcpWorkflowLiveSourceChecker(WorkflowLiveSourceChecker):
"""Placeholder live source checker while Slice 4A only defines the seam.
See `docs/superpowers/plans/2026-06-01-wf-api-extraction-roadmap.md`.
Real live source checks still live in workflow handlers until a later
capability-domain extraction can move them without dragging MCP adapters
into `wf_api`.
"""
"""Adapter-owned live source checker backed by WfMcpService."""
service: WfMcpService
async def available_sources(self) -> list[object]:
# Existing live source availability logic still lives near handlers.
# Slice 4A only creates the seam; it does not move live-check behavior.
return []
async def deployment_diagnostics(
self,
*,
deployment: WorkflowDeployment,
artifacts: Sequence[WorkflowArtifact],
) -> list[DependencyDiagnostic]:
return await live_source_diagnostics(
self.service,
deployment=deployment,
artifacts=artifacts,
)
def context_from_service(service: WfMcpService) -> WorkflowOperationContext:
src/wf_mcp/workflow_surface/handlers.py
+45 -373
View File
@@ -1,15 +1,9 @@
from __future__ import annotations
import asyncio
from collections.abc import Sequence
from dataclasses import asdict
from typing import TYPE_CHECKING, Any
import anyio
import httpx
from mcp.client.streamable_http import StreamableHTTPError
from mcp.shared.exceptions import McpError
from wf_artifacts import (
ArtifactKind,
AvailableCapability,
@@ -22,14 +16,9 @@ from wf_artifacts import (
WorkflowArtifact,
WorkflowCapabilityRef,
WorkflowDeployment,
compile_workflow_draft,
create_workflow_artifact_from_plan as build_workflow_artifact_from_plan,
validate_deployment_dependencies,
)
from wf_platform import (
CapabilityRef,
CapabilitySource,
NodeSpecInventory,
hash_json_schema,
)
from wf_authoring import build_async_registry
@@ -40,25 +29,22 @@ from wf_core.models.steps import (
)
from wf_core.paths import GraphSourcePath
from wf_api.artifacts import WorkflowArtifactApi
from wf_api.deployments import WorkflowDeploymentApi
from wf_api.drafts import WorkflowDraftApi
from wf_api.models import RawWorkflowPlan
from wf_api.next_actions import NextActions
from wf_api.refs import parse_workflow_surface_capability_id
from wf_api.saved_subgraphs import (
SavedSubgraphTree,
direct_wrapper_interrupt_diagnostic,
resolve_saved_subgraph_tree,
saved_subgraph_tree_from_snapshots,
validate_saved_subgraph_tree,
)
from wf_api.wrapper_hints import (
workflow_output_schema_for_authoring,
wrapper_hints_for_capability,
)
from ..broker.service.adapters import require_adapter
from ..broker.service.workflow_operation_context import context_from_service
from ..events import make_event
from ..shared import matches_query, paged_list_payload
from .models import TraceRange
from wf_api.run_lifecycle import (
@@ -71,19 +57,6 @@ from wf_api.run_lifecycle import (
validate_pinned_resume_environment,
)
LIVE_SOURCE_CHECK_TIMEOUT_SECONDS = 8.0
_LIVE_SOURCE_CHECK_FAILURES = (
KeyError,
TimeoutError,
OSError,
anyio.ClosedResourceError,
anyio.EndOfStream,
anyio.BrokenResourceError,
httpx.HTTPError,
McpError,
StreamableHTTPError,
)
if TYPE_CHECKING:
from wf_core import RunState
@@ -95,7 +68,10 @@ class WorkflowSurfaceHandlers:
def __init__(self, service: WfMcpService) -> None:
self.service = service
self._drafts = WorkflowDraftApi(context_from_service(service))
context = context_from_service(service)
self._drafts = WorkflowDraftApi(context)
self._artifacts = WorkflowArtifactApi(context)
self._deployments = WorkflowDeploymentApi(context)
async def list_artifacts(
self,
@@ -112,27 +88,12 @@ class WorkflowSurfaceHandlers:
"""
if self.service.artifact_store is None:
return paged_list_payload("nodes", [], cursor=cursor, limit=limit)
entries = [
self.service.workflow_artifact_catalog_entry(artifact).model_dump(
mode="json"
)
for artifact in self.service.artifact_store.list_artifacts()
if kind is None or artifact.kind == kind
]
entries = [
entry
for entry in entries
if matches_query(
entry.get("name"),
entry.get("artifact_id"),
entry.get("display_name"),
entry.get("description"),
entry.get("kind"),
query=query,
)
]
entries.sort(key=lambda entry: str(entry["name"]))
return paged_list_payload("nodes", entries, cursor=cursor, limit=limit)
return await self._artifacts.list_artifacts(
query=query,
kind=kind,
cursor=cursor,
limit=limit,
)
async def list_capabilities(
self,
@@ -406,23 +367,7 @@ class WorkflowSurfaceHandlers:
async def save_artifact(self, artifact: dict[str, Any]) -> dict[str, Any]:
if self.service.artifact_store is None:
raise KeyError("workflow artifact store is not configured")
workflow_artifact = WorkflowArtifact.model_validate(artifact)
self.service.artifact_store.save_artifact(workflow_artifact)
self.service._record_event(
make_event(
"workflow_artifact_saved",
capability_id=_artifact_capability_id(workflow_artifact),
payload={
"artifact_id": workflow_artifact.id,
"version": workflow_artifact.version,
},
)
)
return {
"artifact_id": workflow_artifact.id,
"version": workflow_artifact.version,
"saved": True,
}
return await self._artifacts.save_artifact(artifact)
async def create_artifact_from_plan(
self,
@@ -440,44 +385,18 @@ class WorkflowSurfaceHandlers:
) -> dict[str, Any]:
if self.service.artifact_store is None:
raise KeyError("workflow artifact store is not configured")
typed_plan = (
plan
if isinstance(plan, RawWorkflowPlan)
else RawWorkflowPlan.model_validate(plan)
)
workflow_artifact = build_workflow_artifact_from_plan(
return await self._artifacts.create_artifact_from_plan(
artifact_id=artifact_id,
version=version,
title=title,
plan=plan,
outcomes=outcomes,
kind=kind,
description=description,
plan=typed_plan.model_dump(mode="json", by_alias=True),
outcomes=tuple(outcomes),
required_capabilities={
name: RequiredCapability.model_validate(capability)
for name, capability in (required_capabilities or {}).items()
},
required_capabilities=required_capabilities,
source_bindings=source_bindings,
observed_node_specs=_observed_node_specs(self.service),
created_from_catalog_version=created_from_catalog_version,
)
self.service.artifact_store.save_artifact(workflow_artifact)
self.service._record_event(
make_event(
"workflow_artifact_saved",
capability_id=_artifact_capability_id(workflow_artifact),
payload={
"artifact_id": workflow_artifact.id,
"version": workflow_artifact.version,
"created_from_plan": True,
},
)
)
return {
"artifact_id": workflow_artifact.id,
"version": workflow_artifact.version,
"saved": True,
}
async def validate_draft(self, *, draft: dict[str, Any]) -> dict[str, Any]:
return await self._drafts.validate_draft(draft=draft)
@@ -501,48 +420,18 @@ class WorkflowSurfaceHandlers:
) -> dict[str, Any]:
if self.service.artifact_store is None:
raise KeyError("workflow artifact store is not configured")
plan = compile_workflow_draft(draft)
workflow_artifact = build_workflow_artifact_from_plan(
return await self._artifacts.create_artifact_from_draft(
artifact_id=artifact_id,
version=version,
title=title,
draft=draft,
outcomes=outcomes,
kind=kind,
description=description,
plan=plan,
outcomes=tuple(outcomes),
required_capabilities={
name: RequiredCapability.model_validate(capability)
for name, capability in (required_capabilities or {}).items()
},
required_capabilities=required_capabilities,
source_bindings=source_bindings,
observed_node_specs=_observed_node_specs(self.service),
created_from_catalog_version=created_from_catalog_version,
)
self.service.artifact_store.save_artifact(workflow_artifact)
self.service._record_event(
make_event(
"workflow_artifact_saved",
capability_id=_artifact_capability_id(workflow_artifact),
payload={
"artifact_id": workflow_artifact.id,
"version": workflow_artifact.version,
"created_from_draft": True,
},
)
)
required_sources = sorted(
{
capability.logical_source
for capability in workflow_artifact.required_capability_map().values()
}
)
return {
"artifact_id": workflow_artifact.id,
"version": workflow_artifact.version,
"saved": True,
"required_logical_sources": required_sources,
"suggested_bindings": _suggested_self_bindings(required_sources),
}
async def patch_draft(
self,
@@ -756,24 +645,16 @@ class WorkflowSurfaceHandlers:
source_bindings: dict[str, str] | None = None,
created_from_catalog_version: str | None = None,
) -> dict[str, Any]:
workspace = self._draft_store().get_workspace(workspace_id)
validation = await self.validate_draft(draft=workspace.draft)
if validation["status"] != "valid":
return {
"saved": False,
"workspace_id": workspace_id,
"revision": workspace.revision,
"status": validation["status"],
"diagnostics": validation["diagnostics"],
}
return await self.create_artifact_from_draft(
if self.service.artifact_store is None:
raise KeyError("workflow artifact store is not configured")
return await self._artifacts.create_artifact_from_workspace(
workspace_id=workspace_id,
artifact_id=artifact_id,
version=version,
title=title,
outcomes=outcomes,
kind=kind,
description=description,
draft=workspace.draft,
outcomes=outcomes,
required_capabilities=required_capabilities,
source_bindings=source_bindings,
created_from_catalog_version=created_from_catalog_version,
@@ -793,13 +674,14 @@ class WorkflowSurfaceHandlers:
created_from_catalog_version: str | None = None,
) -> dict[str, Any]:
"""Save the current draft workspace as a callable wrapper artifact."""
return await self.create_artifact_from_workspace(
if self.service.artifact_store is None:
raise KeyError("workflow artifact store is not configured")
return await self._artifacts.create_wrapper_from_workspace(
workspace_id=workspace_id,
artifact_id=artifact_id,
version=version,
title=title,
outcomes=outcomes,
kind="wrapper",
description=description,
required_capabilities=required_capabilities,
source_bindings=source_bindings,
@@ -811,62 +693,35 @@ class WorkflowSurfaceHandlers:
) -> dict[str, Any]:
if self.service.artifact_store is None:
raise KeyError("workflow artifact store is not configured")
artifact = self.service.artifact_store.get_artifact(artifact_id, version)
return artifact.model_dump(mode="json")
return await self._artifacts.inspect_artifact(
artifact_id=artifact_id,
version=version,
)
async def list_deployments(self) -> dict[str, Any]:
if self.service.artifact_store is None:
return {"deployments": []}
return {
"deployments": [
_deployment_summary(deployment)
for deployment in self.service.artifact_store.list_deployments()
]
}
return await self._deployments.list_deployments()
async def inspect_deployment(self, *, deployment_id: str) -> dict[str, Any]:
if self.service.artifact_store is None:
raise KeyError("workflow artifact store is not configured")
return self.service.artifact_store.get_deployment(deployment_id).model_dump(
mode="json"
return await self._deployments.inspect_deployment(
deployment_id=deployment_id,
)
async def save_deployment(self, deployment: dict[str, Any]) -> dict[str, Any]:
if self.service.artifact_store is None:
raise KeyError("workflow artifact store is not configured")
workflow_deployment = WorkflowDeployment.model_validate(deployment)
self.service.artifact_store.save_deployment(workflow_deployment)
self.service._record_event(
make_event(
"workflow_deployment_saved",
capability_id=f"deployment.{workflow_deployment.id}",
payload={
"deployment_id": workflow_deployment.id,
"artifact_id": workflow_deployment.artifact_id,
"artifact_version": workflow_deployment.artifact_version,
},
)
)
return {
"deployment_id": workflow_deployment.id,
"artifact_id": workflow_deployment.artifact_id,
"artifact_version": workflow_deployment.artifact_version,
"saved": True,
}
return await self._deployments.save_deployment(deployment)
async def delete_deployment(self, *, deployment_id: str) -> dict[str, Any]:
"""Delete one mutable deployment environment binding."""
if self.service.artifact_store is None:
raise KeyError("workflow artifact store is not configured")
self.service.artifact_store.delete_deployment(deployment_id)
self.service._record_event(
make_event(
"workflow_deployment_deleted",
capability_id=f"deployment.{deployment_id}",
payload={"deployment_id": deployment_id},
)
return await self._deployments.delete_deployment(
deployment_id=deployment_id,
)
return {"deployment_id": deployment_id, "deleted": True}
async def validate_deployment(
self,
@@ -874,30 +729,12 @@ class WorkflowSurfaceHandlers:
deployment_id: str,
live_check: bool = False,
) -> dict[str, Any]:
deployment, artifact, diagnostics, tree = self._deployment_validation(
deployment_id
if self.service.artifact_store is None:
raise KeyError("workflow artifact store is not configured")
return await self._deployments.validate_deployment(
deployment_id=deployment_id,
live_check=live_check,
)
if live_check:
diagnostics.extend(
await _live_source_diagnostics(
self.service,
deployment=deployment,
artifacts=[artifact, *tree.artifacts_by_ref.values()],
)
)
return {
"deployment_id": deployment.id,
"artifact_id": artifact.id,
"artifact_version": artifact.version,
"status": "unrunnable" if diagnostics else "runnable",
"diagnostics": [
diagnostic.model_dump(mode="json") for diagnostic in diagnostics
],
"next_actions": NextActions.from_deployment_validation(
deployment_id=deployment.id,
diagnostics=diagnostics,
).model_dump(mode="json"),
}
async def run_deployment(
self,
@@ -906,7 +743,7 @@ class WorkflowSurfaceHandlers:
workflow_input: dict[str, Any],
trace_range: TraceRange | None = None,
) -> dict[str, Any]:
deployment, artifact, diagnostics, tree = self._deployment_validation(
deployment, artifact, diagnostics, tree = self._deployments.deployment_validation(
deployment_id
)
if diagnostics:
@@ -1091,41 +928,6 @@ class WorkflowSurfaceHandlers:
raise KeyError("workflow run store is not configured")
return self.service.run_store
def _deployment_validation(
self,
deployment_id: str,
) -> tuple[
WorkflowDeployment,
WorkflowArtifact,
list[DependencyDiagnostic],
SavedSubgraphTree,
]:
if self.service.artifact_store is None:
raise KeyError("workflow artifact store is not configured")
deployment = self.service.artifact_store.get_deployment(deployment_id)
artifact = self.service.artifact_store.get_artifact(
deployment.artifact_id,
deployment.artifact_version,
)
available_sources = _available_sources(self.service)
diagnostics = validate_deployment_dependencies(
artifact=artifact,
deployment=deployment,
sources=available_sources,
)
tree = resolve_saved_subgraph_tree(
root_artifact=artifact,
artifact_store=self.service.artifact_store,
)
diagnostics.extend(
validate_saved_subgraph_tree(
tree=tree,
deployment=deployment,
sources=available_sources,
)
)
return deployment, artifact, diagnostics, tree
def _available_sources(service: WfMcpService) -> list[AvailableSource]:
"""Convert broker capability sources into artifact validation snapshots."""
@@ -1166,102 +968,6 @@ def _available_sources(service: WfMcpService) -> list[AvailableSource]:
return sources
async def _live_source_diagnostics(
service: WfMcpService,
*,
deployment: WorkflowDeployment,
artifacts: Sequence[WorkflowArtifact],
) -> list[DependencyDiagnostic]:
"""Return opt-in diagnostics for bound upstream sources that cannot answer.
Static deployment validation only checks the last known source catalog.
This probe intentionally performs live upstream I/O, so MCP tools keep it
disabled by default and only run it when the caller asks for liveness.
"""
diagnostics: list[DependencyDiagnostic] = []
for source_id, logical_ref in _required_live_sources(deployment, artifacts).items():
source = service.capability_sources.get(source_id)
if (
source is None
or not source.enabled
or not source.permissions.calls_upstream
):
continue
try:
connection = service.connections.get(source_id)
adapter = require_adapter(connection, service.adapters)
auth = service.load_auth(source_id)
await asyncio.wait_for(
adapter.list_tools(connection, auth),
timeout=LIVE_SOURCE_CHECK_TIMEOUT_SECONDS,
)
except _LIVE_SOURCE_CHECK_FAILURES as exc:
diagnostics.append(
DependencyDiagnostic(
severity=DiagnosticSeverity.ERROR,
code="source_unreachable",
logical_ref=logical_ref,
bound_source=source_id,
message=(
f"Live check for upstream source {source_id!r} failed: "
f"{type(exc).__name__}: {exc}"
),
repair_hint=(
"Start or reconnect the source, fix its transport/auth "
"configuration, or bind this deployment to another source."
),
)
)
return diagnostics
def _required_live_sources(
deployment: WorkflowDeployment,
artifacts: Sequence[WorkflowArtifact],
) -> dict[str, str]:
"""Return concrete upstream source ids to live-check, with one logical ref."""
bindings = deployment.binding_map()
required: dict[str, str] = {}
for artifact in artifacts:
for logical_ref, capability in artifact.required_capability_map().items():
source_id = bindings.get(capability.logical_source)
if source_id is not None:
required.setdefault(source_id, logical_ref)
return required
def _required_capabilities_for_plan(
plan: dict[str, Any],
*,
source_bindings: dict[str, str] | None,
service: WfMcpService,
) -> dict[str, RequiredCapability]:
"""Infer a draft dependency summary without persisting an artifact."""
artifact = build_workflow_artifact_from_plan(
artifact_id="draft_preview",
version=1,
title="Draft Preview",
plan=plan,
outcomes=("completed",),
source_bindings=source_bindings,
observed_node_specs=_observed_node_specs(service),
)
requirements = artifact.required_capability_map()
for node in _plan_nodes(artifact):
raw_ref = node.get("node")
if not isinstance(raw_ref, str) or raw_ref in requirements:
continue
try:
parsed = CapabilityRef.parse(raw_ref)
except ValueError:
continue
requirements[raw_ref] = RequiredCapability(
ref=parsed,
kind="node_spec",
)
return requirements
def _required_capability_payloads(
requirements: dict[str, RequiredCapability],
) -> dict[str, dict[str, Any]]:
@@ -1271,24 +977,6 @@ def _required_capability_payloads(
}
def _suggested_self_bindings(required_sources: Sequence[str]) -> dict[str, str]:
"""Suggest local bindings for built-in sources that deploy to themselves."""
return {
source: source for source in required_sources if source in {"wf.std", "wf.mcp"}
}
def _observed_node_specs(service: WfMcpService) -> dict[str, NodeSpecInventory]:
"""Project current executable specs into serializable observed contracts."""
observed: dict[str, NodeSpecInventory] = {}
for source in service.capability_sources.values():
inventory = source.as_inventory()
observed.update(
{detail.name: detail for detail in inventory.capabilities.node_spec_details}
)
return observed
def _schema_field_names(schema: dict[str, Any]) -> list[str]:
"""Return top-level JSON object property names for compact discovery rows."""
properties = schema.get("properties")
@@ -1361,11 +1049,6 @@ def _plan_field(artifact: WorkflowArtifact, field_name: str) -> Any:
) from exc
def _plan_nodes(artifact: WorkflowArtifact) -> list[dict[str, Any]]:
nodes = artifact.plan.get("nodes", [])
return [node for node in nodes if isinstance(node, dict)]
def _run_payload(
*,
deployment: WorkflowDeployment,
@@ -1427,14 +1110,3 @@ def _interrupt_payload(run: RunState) -> dict[str, Any] | None:
if hasattr(workflow_ref, "model_dump"):
route["workflow_ref"] = workflow_ref.model_dump(mode="json")
return payload
def _deployment_summary(deployment: WorkflowDeployment) -> dict[str, Any]:
"""Return compact deployment metadata for progressive list responses."""
return {
"id": deployment.id,
"artifact_id": deployment.artifact_id,
"artifact_version": deployment.artifact_version,
"binding_count": len(deployment.binding_map()),
"drift_policy": deployment.drift_policy.value,
}