numerous more fixes

dicom-viewer/vite.config.ts

@@ -29,13 +29,11 @@ import { viteCommonjs } from "@originjs/vite-plugin-commonjs"
  * }
  * ```
  */
-export default defineConfig({
+export default defineConfig(({ command }) => ({
   plugins: [
     react(),
-    // for dicom-parser
     viteCommonjs(),
   ],
-  // seems like only required in dev mode
   optimizeDeps: {
     exclude: ["@cornerstonejs/dicom-image-loader"],
     include: ["dicom-parser"],
@@ -46,4 +44,5 @@ export default defineConfig({
       external: ["@icr/polyseg-wasm"],
     },
   },
-})
+  base: command === "build" ? "/static/dv3d/" : "/",
+}));