feat：意图识别优化

app/processor/nodes/action_node.py

@@ -13,6 +13,7 @@ from app.processor.state import QueryState
 from app.prompt.action import build_action_prompt
 from app.schemas.action_validation import ActionValidationError, schema_errors
 from app.schemas.actions import ActionBatch, AddAction
+from app.schemas.operations import is_direct_operation
 
 
 def can_generate_actions(state: QueryState) -> bool:
@@ -47,12 +48,7 @@ def action_block_reason(state: QueryState) -> str | None:
     unsupported = [
         f"{change.target_scope}/{change.operation}"
         for change in requirement.changes
-        if not (
-            change.target_scope == "nodes"
-            and change.operation in ("move", "resize", "update", "delete")
-            or change.target_scope == "canvas"
-            and change.operation in ("update", "resize", "update_canvas")
-        )
+        if not is_direct_operation(change.target_scope, change.operation)
     ]
 
     # 如果存在不支持的操作，按出现顺序去重后返回原因，便于展示失败信息