feat：架构重构

app/resources/material_fields.py

@@ -2,7 +2,11 @@
 
 from pydantic import JsonValue
 
-from app.schemas.component_resource import ComponentCatalog, ComponentDefinition
+from app.schemas.component_resource import (
+    ComponentCatalog,
+    ComponentDefinition,
+    ComponentSummary,
+)
 from app.schemas.material_field import (
     MISSING,
     PANEL_CONTROLS,
@@ -82,6 +86,24 @@ def material_payload(component: ComponentDefinition) -> dict:
     return component.model_dump(mode="json", by_alias=True, exclude={"field_groups"})
 
 
+def list_components(catalog: ComponentCatalog) -> dict:
+    """组件目录摘要：选类型用，默认配置和字段定义另行查询"""
+    return {
+        "catalog_version": catalog.version,
+        "components": [
+            ComponentSummary(
+                key=item.key,
+                type=item.type,
+                name=item.name,
+                description=item.description,
+                default_width=item.schema_.layout.width,
+                default_height=item.schema_.layout.height,
+            ).model_dump(mode="json")
+            for item in catalog.components
+        ],
+    }
+
+
 def get_materials(catalog: ComponentCatalog, component_types: list[str]) -> dict:
     """指定类型的物料默认配置，同一类型的多个预设全部返回"""
     known = {item.type for item in catalog.components}