feat：意图识别优化

app/schemas/operations.py

@@ -0,0 +1,45 @@
+"""需求操作名词表的单一来源，需求协议、提示词、能力检查和范围校验都引用这里"""
+
+# 模型可能使用的同义操作名，统一成词表中的标准名称；新增别名只改这里
+OPERATION_ALIASES: dict[str, str] = {"restyle": "update"}
+
+# 直接修改已有组件支持的操作，每一项都要有对应的动作规则
+NODE_OPERATIONS: tuple[str, ...] = ("move", "resize", "update", "delete")
+
+# 直接修改画布支持的操作，最终都转换为 update_canvas 动作
+CANVAS_OPERATIONS: tuple[str, ...] = ("update", "resize", "update_canvas")
+
+# 规划路径中，对已有组件做调整的操作；reflow、layout 表示整体重排，只走规划
+PLAN_ADJUST_OPERATIONS: tuple[str, ...] = (
+    "move",
+    "resize",
+    "update",
+    "reflow",
+    "layout",
+)
+
+# 写进协议描述和提示词的操作说明，词表变化时自动同步
+OPERATION_GUIDE = (
+    f"修改已有组件用 {'、'.join(NODE_OPERATIONS)}，"
+    "修改画布用 update 或 resize，新增用 add；"
+    "颜色、背景、文字等样式和属性修改统一用 update，具体内容写入 parameters"
+)
+
+
+def normalize_operation(operation: str) -> str:
+    """把同义操作名转换成标准名称，未登记的名称原样返回"""
+    return OPERATION_ALIASES.get(operation, operation)
+
+
+def is_direct_operation(target_scope: str, operation: str) -> bool:
+    """判断是否为无需规划即可直接转换为动作的操作"""
+    if target_scope == "nodes":
+        return operation in NODE_OPERATIONS
+    if target_scope == "canvas":
+        return operation in CANVAS_OPERATIONS
+    return False
+
+
+def is_canvas_operation(target_scope: str, operation: str) -> bool:
+    """判断是否为画布属性修改"""
+    return target_scope == "canvas" and operation in CANVAS_OPERATIONS