Remove loopback redirect URIs — web apps can't use them per ATProto spec

OAuth only works on coffee.apoena.dev. Local dev is for UI only.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

vite.config.ts

@@ -5,9 +5,6 @@ import UnoCSS from 'unocss/vite'
 import { fileURLToPath } from 'node:url'
 
 export default defineConfig({
-  server: {
-    host: '127.0.0.1',
-  },
   resolve: {
     alias: {
       '@': fileURLToPath(new URL('./src', import.meta.url)),