Pin Minecraft 26.3 and add safe Orion managed deployment support

dashboard/vitest.config.mts

@@ -0,0 +1,6 @@
+import { defineConfig } from "vitest/config";
+import { fileURLToPath } from "node:url";
+export default defineConfig({
+  resolve: { alias: { "@": fileURLToPath(new URL("./src", import.meta.url)) } },
+  test: { environment: "node", include: ["tests/**/*.test.ts"] },
+});