use distinct types for player and session ids

serve/proxy.go

@@ -6,6 +6,8 @@ import (
 	"net/netip"
 	"strings"
 
+	"github.com/google/uuid"
+
 	"git.sunturtle.xyz/studio/shotgun/player"
 )
 
@@ -21,7 +23,7 @@ func WithPlayerID(next http.Handler) http.Handler {
 			http.Error(w, "missing or invalid X-Forwarded-For header; check server configuration", http.StatusInternalServerError)
 			return
 		}
-		id := player.ID(addr.As16())
+		id := player.ID{UUID: uuid.UUID(addr.As16())}
 		ctx := ctxWith(r.Context(), id)
 		next.ServeHTTP(w, r.WithContext(ctx))
 	})