refactor: complete i18n rename recipients to people, finalize tests

tests/unit/actions/person.messages.test.ts

@@ -0,0 +1,43 @@
+import { describe, expect, it } from "vitest"
+
+import { localizePersonFieldErrors } from "@/actions/person.messages"
+
+const actionCopy = {
+  createSuccess: "Persona creada correctamente",
+  createFailure: "Error al crear la persona",
+  updateSuccess: "Persona actualizada correctamente",
+  updateFailure: "Error al actualizar la persona",
+  duplicateEmail: "El correo electrónico ya existe",
+}
+
+describe("person action message localization", () => {
+  it("localizes known person field errors (email only, no username)", () => {
+    expect(
+      localizePersonFieldErrors(
+        {
+          email: ["Email already exists"],
+        },
+        actionCopy,
+      ),
+    ).toEqual({
+      email: [actionCopy.duplicateEmail],
+    })
+  })
+
+  it("keeps unknown messages unchanged", () => {
+    expect(
+      localizePersonFieldErrors(
+        { firstName: ["Unexpected person issue"] },
+        actionCopy,
+      ),
+    ).toEqual({ firstName: ["Unexpected person issue"] })
+  })
+
+  it("returns undefined when errors are undefined", () => {
+    expect(localizePersonFieldErrors(undefined, actionCopy)).toBeUndefined()
+  })
+
+  it("returns undefined when errors are empty", () => {
+    expect(localizePersonFieldErrors({}, actionCopy)).toEqual({})
+  })
+})