feat: add Zod validation schemas for all domain routes

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/schemas/scope-templates.schema.ts

@@ -0,0 +1,34 @@
+import { z } from 'zod';
+
+const ScopeSectionSchema = z.object({
+  title: z.string().nullish(),
+  title_cz: z.string().nullish(),
+  content: z.string().nullish(),
+  position: z.number().optional(),
+});
+
+export const CreateScopeTemplateSchema = z.object({
+  name: z.string().nullish(),
+  title: z.string().nullish(),
+  description: z.string().nullish(),
+  sections: z.array(ScopeSectionSchema).optional(),
+});
+
+export const CreateItemTemplateSchema = z.object({
+  id: z.union([z.number(), z.string()]).transform(v => Number(v)).optional(),
+  name: z.string().nullish(),
+  description: z.string().nullish(),
+  default_price: z.union([z.number(), z.string()]).transform(v => Number(v)).optional().default(0),
+  category: z.string().nullish(),
+});
+
+export const UpdateScopeTemplateSchema = z.object({
+  name: z.string().optional(),
+  title: z.string().optional(),
+  description: z.string().optional(),
+  sections: z.array(ScopeSectionSchema).optional(),
+});
+
+export type CreateScopeTemplateInput = z.infer<typeof CreateScopeTemplateSchema>;
+export type CreateItemTemplateInput = z.infer<typeof CreateItemTemplateSchema>;
+export type UpdateScopeTemplateInput = z.infer<typeof UpdateScopeTemplateSchema>;