Integrate flyfish CAD viewer

src/core/app.ts

@@ -68,11 +68,6 @@ export function initApp(): void {
   bindGlobalEvents()
   void refreshRecent()
   handleLaunchQueue()
-  window.setTimeout(() => {
-    void import('../cad/loader')
-      .then((module) => module.preloadDwgEngine())
-      .catch(() => {})
-  }, 300)
   ;(window as unknown as { __phoneViewerBack?: () => boolean }).__phoneViewerBack = () => {
     const modalClose = document.querySelector<HTMLButtonElement>('.modal-backdrop.show .modal-close')
     if (modalClose) {
@@ -286,14 +281,16 @@ async function openFile(file: File): Promise<void> {
   let createdViewer: ActiveViewer | null = null
   try {
     if (target === 'cad') {
-      const { loadDwg } = await import('../cad/loader')
-      const doc = await loadDwg(file, (message) => host?.setLoaderMessage(message, file.name))
-      if (token !== openToken) return
-      const { CadViewer } = await import('../cad/cadViewer')
-      createdViewer = new CadViewer(host!, doc, { onBack: () => closeActiveViewer() })
-      activeViewer = createdViewer
+      const { FlyfishCadViewer } = await import('../cad/flyfishViewer')
+      const viewer = new FlyfishCadViewer(host!, file, { onBack: () => closeActiveViewer() })
+      createdViewer = viewer
+      await viewer.load()
+      if (token !== openToken) {
+        viewer.destroy()
+        return
+      }
+      activeViewer = viewer
       host?.hideLoader()
-      if (doc.warnings.length) toast(doc.warnings[0], 'info', 5000)
     } else {
       const [{ loadMuPDF }, { DocViewer }] = await Promise.all([
         import('../doc/mupdfLoader'),