feat: rework oidc to be more resilient

This includes setting a custom redirect URI, handling errors, and using a better library.
As an API decision I've also disabled per session API keys as it clutters up too much.

vite.config.ts

@@ -27,5 +27,6 @@ export default defineConfig({
 	},
 	define: {
 		__VERSION__: JSON.stringify(version),
+		__PREFIX__: JSON.stringify(prefix),
 	},
 });