refactor: Break apart monolithic configuration schema (#1977)

[skip ci]

src/config/schema/actions/custom/ptz-multi.ts

@@ -0,0 +1,13 @@
+import { z } from 'zod';
+import { advancedCameraCardCustomActionsBaseSchema } from './base';
+import { PTZ_ACTION_PHASES, PTZ_ACTIONS } from './ptz';
+
+export const ptzMultiActionSchema = advancedCameraCardCustomActionsBaseSchema.extend({
+  advanced_camera_card_action: z.literal('ptz_multi'),
+  target_id: z.string().optional(),
+
+  ptz_action: z.enum(PTZ_ACTIONS).optional(),
+  ptz_phase: z.enum(PTZ_ACTION_PHASES).optional(),
+  ptz_preset: z.string().optional(),
+});
+export type PTZMultiActionConfig = z.infer<typeof ptzMultiActionSchema>;