refactor: move mcp sdk protocols to wf_sources_mcp

src/wf_mcp/broker/discovery.py

@@ -9,11 +9,10 @@ from mcp.types import METHOD_NOT_FOUND
 
 from wf_authoring import NodeSpec
 from wf_sources_mcp.catalog import DiscoveredPrompt, DiscoveredResource, DiscoveredTool
+from wf_sources_mcp.sdk import BackendAdapter, ToolExecutor
 
 from ..auth import AuthRecord
 from ..models import ConnectionConfig
-from ..runtime import ToolExecutor
-from ..sdk import BackendAdapter
 from ..shared import root_exception
 from ..workflow import wrap_discovered_tool
 from .events import McpEvent

src/wf_mcp/broker/service/adapters.py

@@ -2,8 +2,9 @@ from __future__ import annotations
 
 from collections.abc import Mapping
 
+from wf_sources_mcp.sdk import BackendAdapter
+
 from ...models import ConnectionConfig
-from ...sdk import BackendAdapter
 
 
 def require_adapter(

src/wf_mcp/broker/service/core.py

@@ -26,6 +26,7 @@ from wf_sources_mcp.catalog import (
     CatalogPromptEntry,
     CatalogResourceEntry,
 )
+from wf_sources_mcp.sdk import BackendAdapter, ToolExecutor
 from wf_sources_mcp.source_registry import SourceRegistryStore
 from wf_sources_mcp.storage import AuthStore, CatalogStore, Store
 
@@ -36,8 +37,6 @@ from ...models import (
     CatalogSnapshot,
     ConnectionConfig,
 )
-from ...runtime import ToolExecutor
-from ...sdk import BackendAdapter
 from ..admin_capabilities import admin_source
 from ..catalog import CombinedCatalog
 from .builtins import builtin_sources

src/wf_mcp/broker/service/source_catalog.py

@@ -23,6 +23,7 @@ from wf_sources_mcp.catalog import (
     CatalogPromptEntry,
     CatalogResourceEntry,
 )
+from wf_sources_mcp.sdk import ToolExecutor
 from wf_sources_mcp.storage import CatalogStore
 
 from ...connections import ConnectionConfig, qualify_node_name
@@ -30,7 +31,6 @@ from ...events import McpEvent, make_event
 from ...models import (
     CatalogSnapshot,
 )
-from ...runtime import ToolExecutor
 from ...workflow.wrappers import _model_from_schema
 from ..catalog import CombinedCatalog, snapshot_from_specs
 from .specs import get_qualified_spec, qualify_spec

src/wf_mcp/broker/service/upstream_transport.py

@@ -24,11 +24,10 @@ from wf_mcp.broker.discovery import (
 )
 from wf_mcp.events import McpEvent, make_event
 from wf_mcp.models import ConnectionConfig
-from wf_mcp.runtime import ToolExecutor
-from wf_mcp.sdk import BackendAdapter
 from wf_mcp.shared.errors import error_payload
 from wf_sources_mcp.auth import AuthRecord, connection_auth_diagnostic
 from wf_sources_mcp.catalog.models import CatalogSnapshot
+from wf_sources_mcp.sdk import BackendAdapter, ToolExecutor
 from wf_sources_mcp.storage import AuthStore, CatalogStore
 
 from .adapters import require_adapter