fix(glyph): use query param form for atticd db user

The attic Rust driver rejects the user@host URL form; pass the user
as a query parameter instead.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Entire-Checkpoint: 16697080bacd

Author: stackptr

hosts/glyph/services/attic.nix

@@ -8,7 +8,7 @@
     settings = {
       listen = "[::]:8199";
 
-      database.url = "postgresql://atticd@/atticd?host=/run/postgresql";
+      database.url = "postgresql:///atticd?host=/run/postgresql&user=atticd";
 
       storage = {
         type = "local";