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/components/TinyflowCore.svelte

@@ -46,8 +46,6 @@
   const { onInit }: { onInit: any; [key: string]: any } = $props();
     const svelteFlow = useSvelteFlow();
 
-    onInit(svelteFlow);
-
     let showEdgePanel = $state(false);
     let currentEdge = $state<Edge | null>(null);
     let nodePickerVisible = $state(false);
@@ -342,7 +340,7 @@
                     { duration: 180 }
                 );
             } else {
-                svelteFlow.zoomTo(zoom, { duration: 180 });
+                (svelteFlow as any).zoomTo?.(zoom, { duration: 180 });
             }
         }
     }
@@ -726,6 +724,7 @@
     }
 
     onMount(() => {
+        onInit(svelteFlow);
         store.updateEdges((edges) => edges.map((edge) => ensureEdgeVisualDefaults(edge)));
         repairOrphanParentNodes();
         if (!readonly) {