Remove legacy party configuration

internal/app/operator_inspection.go

@@ -56,17 +56,18 @@ func inspectStableInputs(cfg *config.Config) []stableInputCheck {
 		name     string
 		in       config.ResolvedInputFile
 		optional bool
+		derived  bool
 	}{
 		{name: "speakers", in: cfg.StableInputs.SpeakersFile},
 		{name: "autocorrect", in: cfg.StableInputs.AutocorrectFile},
 		{name: "glossary", in: cfg.StableInputs.GlossaryFile},
-		{name: "players", in: cfg.StableInputs.PlayersFile},
+		{name: "players", derived: true},
 		{name: "party", in: cfg.StableInputs.PartyFile},
 		{name: "spell_catalog", in: cfg.StableInputs.SpellCatalogFile, optional: true},
 	}
 	out := make([]stableInputCheck, 0, len(items))
 	for _, item := range items {
-		if item.name == "players" && item.in.Source == "derived_from_party" {
+		if item.derived {
 			out = append(out, stableInputCheck{Name: item.name, Path: "derived from canonical party"})
 			continue
 		}