build: 清理 tinyflow-ui 构建告警

- 收口 Svelte props 响应式引用与 custom element props 声明

- 清理局部未使用样式与类型告警并保持现有业务语义

easyflow-ui-admin/packages/tinyflow-ui/src/utils/workflowNodeFields.test.ts

@@ -897,7 +897,10 @@ describe('workflow node fields', () => {
     expect(normalizedWorkflow.nodes[0]?.data?.parameters?.[0]?.required).toBe(
       true,
     );
-    expect(normalizedWorkflow.nodes[0]?.data?.startFormSchema?.[0]?.key).toBe(
+    expect(
+      (normalizedWorkflow.nodes[0]?.data as Record<string, any> | undefined)
+        ?.startFormSchema?.[0]?.key,
+    ).toBe(
       'user_input',
     );
     expect(normalizedWorkflow.nodes[1]?.data?.parameters).toEqual([]);