update

src/shared/contracts/helpers.ts

@@ -4,3 +4,14 @@ export const optionalId = z.preprocess(
   (value) => (value === "" ? null : value),
   z.string().uuid().nullable().optional(),
 );
+
+/** Canonical department identifiers shared across agent and automation schemas. */
+export const DEPARTMENT_IDS = z.enum([
+  "executive", "engineering", "product", "marketing", "sales",
+  "hr", "finance", "legal", "operations", "customer_support", "research", "design",
+]);
+
+/** Canonical message channel types shared across messaging schemas. */
+export const MESSAGE_CHANNELS = z.enum([
+  "direct", "department", "company", "project", "incident",
+]);