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>

public/client-metadata.json

@@ -3,9 +3,7 @@
   "client_name": "Coffee Map",
   "client_uri": "https://coffee.apoena.dev",
   "redirect_uris": [
-    "https://coffee.apoena.dev/oauth/callback",
-    "http://127.0.0.1:5173/oauth/callback",
-    "http://127.0.0.1:5174/oauth/callback"
+    "https://coffee.apoena.dev/oauth/callback"
   ],
   "grant_types": ["authorization_code", "refresh_token"],
   "response_types": ["code"],