feat(yachts): add zod validators + tests

src/lib/validators/yachts.ts

@@ -0,0 +1,52 @@
+import { z } from 'zod';
+import { baseListQuerySchema } from '@/lib/api/route-helpers';
+
+export const ownerRefSchema = z.object({
+  type: z.enum(['client', 'company']),
+  id: z.string().min(1),
+});
+
+export const createYachtSchema = z.object({
+  name: z.string().min(1).max(200),
+  hullNumber: z.string().optional(),
+  registration: z.string().optional(),
+  flag: z.string().optional(),
+  yearBuilt: z.number().int().min(1800).max(2100).optional(),
+  builder: z.string().optional(),
+  model: z.string().optional(),
+  hullMaterial: z.string().optional(),
+  lengthFt: z.string().optional(),
+  widthFt: z.string().optional(),
+  draftFt: z.string().optional(),
+  lengthM: z.string().optional(),
+  widthM: z.string().optional(),
+  draftM: z.string().optional(),
+  owner: ownerRefSchema, // required; yacht must have an owner
+  status: z.enum(['active', 'retired', 'sold_away']).optional().default('active'),
+  notes: z.string().optional(),
+  tagIds: z.array(z.string()).optional().default([]),
+});
+
+export const updateYachtSchema = createYachtSchema.partial().omit({ owner: true });
+// Owner changes go through /transfer, not PATCH.
+
+export const transferOwnershipSchema = z.object({
+  newOwner: ownerRefSchema,
+  effectiveDate: z.coerce.date(),
+  transferReason: z
+    .enum(['sale', 'inheritance', 'gift', 'company_restructure', 'other'])
+    .optional(),
+  transferNotes: z.string().optional(),
+});
+
+export const listYachtsQuery = baseListQuerySchema.extend({
+  ownerType: z.enum(['client', 'company']).optional(),
+  ownerId: z.string().optional(),
+  status: z.enum(['active', 'retired', 'sold_away']).optional(),
+  search: z.string().optional(),
+});
+
+export type CreateYachtInput = z.infer<typeof createYachtSchema>;
+export type UpdateYachtInput = z.infer<typeof updateYachtSchema>;
+export type TransferOwnershipInput = z.infer<typeof transferOwnershipSchema>;
+export type ListYachtsInput = z.infer<typeof listYachtsQuery>;