new wf_server: local static workflow server; docs

This commit is contained in:
lda
2026-06-03 06:29:56 +07:00 Verified
parent e1d71d7d37
commit f13f099949
10 changed files with 808 additions and 155 deletions
+37 -129
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@@ -1,133 +1,41 @@
"""Compatibility exports for workflow local sources.
Canonical local workflow source helpers live in `wf_api.local_sources` so
non-MCP process hosts can construct `wf.std` without importing broker internals.
"""
from __future__ import annotations
from typing import TYPE_CHECKING, Any
from wf_authoring import NodeSpec, coalesce, concat, constant, default_if_none
from wf_authoring import extract_field, filter_items, filter_items_present, first_item
from wf_authoring import first_item_maybe, first_item_or_none, is_empty, last_item
from wf_authoring import last_item_or_none, length, node, pick_key, pick_path
from wf_authoring import project_fields, rename_fields, runtime_error, truthy
from wf_authoring import extract_text_content
from wf_core.runtime.ops.merges import DEFAULT_REDUCER_DEFINITIONS
from wf_platform import (
CapabilityBuckets,
CapabilitySource,
SourcePermissions,
SourceVisibility,
from wf_api.local_sources import (
AUTHORING_STD_SPECS,
BUILTIN_CONNECTION_ID,
BUILTIN_SOURCE_ID,
MCP_SOURCE_ID,
RECIPE_SOURCE_ID,
RECIPE_SPECS,
builtin_reducer_definitions,
builtin_reducers,
builtin_sources,
builtin_specs,
get_qualified_spec,
qualify_node_name,
qualify_spec,
recipe_specs,
)
from wf_mcp.broker.service.specs import qualify_spec
if TYPE_CHECKING:
from wf_core import ReducerSpec
BUILTIN_CONNECTION_ID = "wf.std"
"""Internal source id for workflow standard-library node specs."""
MCP_SOURCE_ID = "wf.mcp"
"""Reserved source id for future workflow-safe MCP utility node specs."""
RECIPE_SOURCE_ID = "wf.recipes"
"""Internal source id for first-party composed workflow recipes."""
AUTHORING_STD_SPECS: tuple[NodeSpec[Any, Any], ...] = (
coalesce,
default_if_none,
constant,
pick_key,
pick_path,
project_fields,
rename_fields,
truthy,
runtime_error,
first_item,
first_item_or_none,
first_item_maybe,
last_item,
last_item_or_none,
length,
is_empty,
filter_items,
filter_items_present,
extract_field,
concat,
)
"""Existing authoring ops that are also exposed through the workflow stdlib."""
RECIPE_SPECS: tuple[NodeSpec[Any, Any], ...] = (extract_text_content,)
"""Composed first-party recipes exposed as capabilities."""
def _qualified_specs(
source_id: str,
specs: tuple[NodeSpec[Any, Any], ...],
) -> dict[str, NodeSpec[Any, Any]]:
"""Return specs with authoring names rewritten under one source id."""
local_specs = [
node(spec, name=spec.name.removeprefix("authoring.")) for spec in specs
]
qualified_specs = [qualify_spec(source_id, spec) for spec in local_specs]
return {spec.name: spec for spec in qualified_specs}
def builtin_specs() -> dict[str, NodeSpec[Any, Any]]:
"""Return primitive built-in NodeSpecs available to raw broker workflow plans."""
return _qualified_specs(BUILTIN_CONNECTION_ID, AUTHORING_STD_SPECS)
def recipe_specs() -> dict[str, NodeSpec[Any, Any]]:
"""Return composed first-party recipe specs.
Recipes are wrapper-node subgraphs today. They are useful workflow-facing
capabilities, but parent runs do not yet see their child graph frames.
"""
return _qualified_specs(RECIPE_SOURCE_ID, RECIPE_SPECS)
def builtin_reducers() -> dict[str, ReducerSpec]:
"""Return built-in reducers owned by the workflow standard library."""
return {
definition.spec.name: definition.spec
for definition in DEFAULT_REDUCER_DEFINITIONS.values()
}
def builtin_reducer_definitions():
"""Return executable built-in reducers for trusted runtime dependency wiring."""
return dict(DEFAULT_REDUCER_DEFINITIONS)
def builtin_sources() -> dict[str, CapabilitySource]:
"""Return all broker-local capability sources."""
return {
BUILTIN_CONNECTION_ID: CapabilitySource(
id=BUILTIN_CONNECTION_ID,
kind="system",
capabilities=CapabilityBuckets(
node_specs=builtin_specs(),
reducers=builtin_reducers(),
reducer_definitions=builtin_reducer_definitions(),
),
visibility=SourceVisibility(
planner=True,
mcp_client=True,
admin_dashboard=True,
),
permissions=SourcePermissions(safe_for_workflow=True),
description="Workflow standard-library nodes.",
),
RECIPE_SOURCE_ID: CapabilitySource(
id=RECIPE_SOURCE_ID,
kind="system",
capabilities=CapabilityBuckets(node_specs=recipe_specs()),
visibility=SourceVisibility(
planner=True,
mcp_client=True,
admin_dashboard=True,
),
permissions=SourcePermissions(safe_for_workflow=True),
description="First-party workflow recipes composed from standard nodes.",
),
}
__all__ = [
"AUTHORING_STD_SPECS",
"BUILTIN_CONNECTION_ID",
"BUILTIN_SOURCE_ID",
"MCP_SOURCE_ID",
"RECIPE_SOURCE_ID",
"RECIPE_SPECS",
"builtin_reducer_definitions",
"builtin_reducers",
"builtin_sources",
"builtin_specs",
"get_qualified_spec",
"qualify_node_name",
"qualify_spec",
"recipe_specs",
]