chore: import upstream snapshot with attribution

workflow/runtime/runtime_context.py

@@ -0,0 +1,30 @@
+"""Shared runtime context for workflow execution."""
+
+from dataclasses import dataclass, field
+from pathlib import Path
+from typing import Any, Dict, Optional
+
+from runtime.node.agent import ToolManager
+from utils.function_manager import FunctionManager
+from utils.logger import WorkflowLogger
+from utils.log_manager import LogManager
+from utils.token_tracker import TokenTracker
+from utils.attachments import AttachmentStore
+
+
+@dataclass
+class RuntimeContext:
+    """Container for runtime-wide dependencies required by GraphExecutor."""
+
+    tool_manager: ToolManager
+    function_manager: FunctionManager
+    edge_processor_function_manager: FunctionManager
+    logger: WorkflowLogger
+    log_manager: LogManager
+    token_tracker: TokenTracker
+    attachment_store: AttachmentStore
+    code_workspace: Path
+    global_state: Dict[str, Any] = field(default_factory=dict)
+    cycle_manager: Optional[Any] = None  # Late-bound by GraphManager
+    session_id: Optional[str] = None
+    workspace_hook: Optional[Any] = None