feat: manage tenant appearance defaults

webui/src/api/tenancy.ts

@@ -3,7 +3,8 @@ import type {
   DeltaDeletedItem,
   NavigationPreferences,
   PrivacyRetentionPolicy,
-  TenantAdminItem
+  TenantAdminItem,
+  UserUiPalette
 } from "@govoplan/core-webui";
 import {
   apiFetch,
@@ -43,6 +44,12 @@ export type TenantSettingsItem = {
   system_enabled_language_codes: string[];
   enabled_language_codes: string[];
   navigation?: NavigationPreferences | null;
+  appearance_palette: UserUiPalette | null;
+  appearance_palette_locked: boolean;
+  system_appearance_palette: UserUiPalette;
+  system_appearance_palette_locked: boolean;
+  effective_appearance_palette: UserUiPalette;
+  effective_appearance_source: "tenant" | "system" | "tenant_lock" | "system_lock";
   settings: Record<string, unknown>;
 };
 
@@ -54,6 +61,7 @@ export type TenantSettingsDeltaSections = Partial<{
     "available_languages" | "system_enabled_language_codes" | "enabled_language_codes"
   >;
   navigation: TenantSettingsItem["navigation"];
+  appearance: Pick<TenantSettingsItem, "appearance_palette" | "appearance_palette_locked" | "system_appearance_palette" | "system_appearance_palette_locked" | "effective_appearance_palette" | "effective_appearance_source">;
   settings: TenantSettingsItem["settings"];
 }>;
 
@@ -151,6 +159,8 @@ export function updateTenantSettings(
     default_locale: string;
     enabled_language_codes?: string[] | null;
     navigation?: NavigationPreferences | null;
+    appearance_palette?: UserUiPalette | null;
+    appearance_palette_locked?: boolean;
   }
 ): Promise<TenantSettingsItem> {
   return apiFetch(settings, "/api/v1/admin/tenant/settings", {