feat: KnowledgeFS and New Knowledge (#44165)

Co-authored-by: Jyong <76649700+JohnJyong@users.noreply.github.com>
Co-authored-by: hjlarry <hjlarry@163.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
Co-authored-by: zhaohao1004 <zhaohao1004@gmail.com>
Co-authored-by: yyh <yuanyouhuilyz@gmail.com>
Co-authored-by: FFXN <lizy@dify.ai>

api/core/workflow/node_runtime.py

@@ -5,6 +5,7 @@ from dataclasses import dataclass
 from enum import Enum
 from typing import TYPE_CHECKING, Any, Literal, Protocol, cast, overload, override
 
+from flask import current_app
 from pydantic import JsonValue
 from sqlalchemy import select
 from sqlalchemy.orm import Session, sessionmaker
@@ -574,6 +575,7 @@ class DifyToolNodeRuntime(ToolNodeRuntimeProtocol):
                     else None
                 ),
             )
+            tool_runtime.runtime.dify_run_context = self._run_context
         except ToolNodeError:
             raise
         except Exception as exc:
@@ -1057,3 +1059,9 @@ def build_dify_llm_file_saver(
         file_reference_factory=DifyFileReferenceFactory(run_context),
         http_client=http_client,
     )
+
+
+def build_knowledge_fs_node_dependencies() -> dict[str, object]:
+    """Resolve the retrieval capabilities registered by the application composition root."""
+    factory = cast(Callable[[], dict[str, object]], current_app.extensions["knowledge_fs_node_dependencies"])
+    return factory()