fix: update Vue template syntax and improve Vite config

- Fix Vue template syntax in App.vue by using proper event handler format
- Update Vite config to properly handle ESM imports and crypto modules
- Add manual chunks for better code splitting
- Improve environment variable handling in vite-env.d.ts
- Fix TypeScript linting errors in App.vue

src/db/tables/temp.ts

@@ -1,12 +1,12 @@
 // for ephemeral uses, eg. passing a blob from the service worker to the main thread
 
 export type Temp = {
-  id: string;
-  blob?: Blob; // deprecated because webkit (Safari) does not support Blob
-  blobB64?: string; // base64-encoded blob
-};
+  id: string
+  blob?: Blob // deprecated because webkit (Safari) does not support Blob
+  blobB64?: string // base64-encoded blob
+}
 
 /**
  * Schema for the Temp table in the database.
  */
-export const TempSchema = { temp: "id" };
+export const TempSchema = { temp: 'id' }