Group C fixes

src/app/api/onboarding/route.ts

@@ -16,34 +16,10 @@ import {
 import { sendAdminNotificationEmail } from "@/lib/email";
 import { encryptSecrets } from "@/lib/crypto";
 import { isPersonalOrgName } from "@/lib/personal-org";
+import { onboardingSchema } from "@/lib/validation";
 import type { OnboardingInput, PiecedTenant, TenantRequest } from "@/types";
 import { z } from "zod";
 
-const onboardingSchema = z.object({
-  instanceName: z
-    .string()
-    .trim()
-    .max(80)
-    .optional()
-    // Empty string from a form input → drop to undefined so the DB stores NULL
-    .transform((v) => (v && v.length > 0 ? v : undefined)),
-  agentName: z.string().min(1).max(50),
-  soulMd: z.string().max(10_000).optional(),
-  agentsMd: z.string().max(10_000).optional(),
-  packages: z.array(z.string()).optional(),
-  packageSecrets: z
-    .record(z.string(), z.record(z.string(), z.string()))
-    .optional(),
-  billingAddress: z.object({
-    company: z.string().optional(),
-    street: z.string().optional(),
-    city: z.string().optional(),
-    postalCode: z.string().optional(),
-    country: z.string().optional(),
-  }),
-  billingNotes: z.string().max(2_000).optional(),
-});
-
 /**
  * Helper: shape a TenantRequest row for client consumption.
  * Hides server-only fields (encryptedSecrets, internal db ids).