chore(frontend): use Orval types directly; drop normalize hacks

frontend/src/app/departments/page.tsx

@@ -5,7 +5,7 @@ import { useState } from "react";
 import { Button } from "@/components/ui/button";
 import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card";
 import { Input } from "@/components/ui/input";
-import { normalizeDepartments, normalizeEmployees } from "@/lib/normalize";
+
 import { Select } from "@/components/ui/select";
 
 import {
@@ -20,10 +20,10 @@ export default function DepartmentsPage() {
   const [headId, setHeadId] = useState<string>("");
 
   const departments = useListDepartmentsDepartmentsGet();
-  const departmentList = normalizeDepartments(departments.data);
+  const departmentList = departments.data ?? [];
   const employees = useListEmployeesEmployeesGet();
 
-  const employeeList = normalizeEmployees(employees.data);
+  const employeeList = employees.data ?? [];
 
   const createDepartment = useCreateDepartmentDepartmentsPost({
     mutation: {

frontend/src/app/hr/page.tsx

@@ -5,7 +5,7 @@ import { useState } from "react";
 import { Button } from "@/components/ui/button";
 import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card";
 import { Input } from "@/components/ui/input";
-import { normalizeAgentOnboardings, normalizeDepartments, normalizeEmployees, normalizeEmploymentActions, normalizeHeadcountRequests } from "@/lib/normalize";
+
 import { Select } from "@/components/ui/select";
 import { Textarea } from "@/components/ui/textarea";
 
@@ -22,16 +22,16 @@ import { useListDepartmentsDepartmentsGet, useListEmployeesEmployeesGet } from "
 
 export default function HRPage() {
   const departments = useListDepartmentsDepartmentsGet();
-  const departmentList = normalizeDepartments(departments.data);
+  const departmentList = departments.data ?? [];
   const employees = useListEmployeesEmployeesGet();
-  const employeeList = normalizeEmployees(employees.data);
+  const employeeList = employees.data ?? [];
 
   const headcount = useListHeadcountRequestsHrHeadcountGet();
   const actions = useListEmploymentActionsHrActionsGet();
   const onboarding = useListAgentOnboardingHrOnboardingGet();
-  const headcountList = normalizeHeadcountRequests(headcount.data);
-  const actionList = normalizeEmploymentActions(actions.data);
-  const onboardingList = normalizeAgentOnboardings(onboarding.data);
+  const headcountList = headcount.data ?? [];
+  const actionList = actions.data ?? [];
+  const onboardingList = onboarding.data ?? [];
 
   const [hcDeptId, setHcDeptId] = useState<string>("");
   const [hcManagerId, setHcManagerId] = useState<string>("");

frontend/src/app/page.tsx

@@ -6,7 +6,7 @@ import styles from "@/app/_components/Shell.module.css";
 import { Button } from "@/components/ui/button";
 import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card";
 import { Input } from "@/components/ui/input";
-import { normalizeActivities, normalizeDepartments, normalizeEmployees, normalizeProjects } from "@/lib/normalize";
+import { normalizeActivities } from "@/lib/normalize";
 import { Select } from "@/components/ui/select";
 
 import { useCreateProjectProjectsPost, useListProjectsProjectsGet } from "@/api/generated/projects/projects";
@@ -16,12 +16,12 @@ import { useListActivitiesActivitiesGet } from "@/api/generated/activities/activ
 
 export default function Home() {
   const projects = useListProjectsProjectsGet();
-  const projectList = normalizeProjects(projects.data);
+  const projectList = projects.data ?? [];
   const departments = useListDepartmentsDepartmentsGet();
-  const departmentList = normalizeDepartments(departments.data);
+  const departmentList = departments.data ?? [];
   const employees = useListEmployeesEmployeesGet();
   const activities = useListActivitiesActivitiesGet({ limit: 20 });
-  const employeeList = normalizeEmployees(employees.data);
+  const employeeList = employees.data ?? [];
   const activityList = normalizeActivities(activities.data);
 
   const [projectName, setProjectName] = useState("");

frontend/src/app/people/page.tsx

@@ -6,7 +6,7 @@ import { Button } from "@/components/ui/button";
 import { Badge } from "@/components/ui/badge";
 import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card";
 import { Input } from "@/components/ui/input";
-import { normalizeDepartments, normalizeEmployees } from "@/lib/normalize";
+
 import { Select } from "@/components/ui/select";
 
 import {
@@ -24,8 +24,8 @@ export default function PeoplePage() {
 
   const employees = useListEmployeesEmployeesGet();
   const departments = useListDepartmentsDepartmentsGet();
-  const departmentList = normalizeDepartments(departments.data);
-  const employeeList = normalizeEmployees(employees.data);
+  const departmentList = departments.data ?? [];
+  const employeeList = employees.data ?? [];
 
   const createEmployee = useCreateEmployeeEmployeesPost({
     mutation: {

frontend/src/app/projects/[id]/page.tsx

@@ -6,7 +6,7 @@ import { useParams } from "next/navigation";
 import { Button } from "@/components/ui/button";
 import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card";
 import { Input } from "@/components/ui/input";
-import { normalizeEmployees, normalizeProjectMembers, normalizeProjects, normalizeTaskComments, normalizeTasks } from "@/lib/normalize";
+
 import { Select } from "@/components/ui/select";
 import { Textarea } from "@/components/ui/textarea";
 
@@ -34,14 +34,14 @@ export default function ProjectDetailPage() {
   const projectId = Number(params?.id);
 
   const projects = useListProjectsProjectsGet();
-  const projectList = normalizeProjects(projects.data);
+  const projectList = projects.data ?? [];
   const project = projectList.find((p) => p.id === projectId);
 
   const employees = useListEmployeesEmployeesGet();
-  const employeeList = normalizeEmployees(employees.data);
+  const employeeList = employees.data ?? [];
 
   const members = useListProjectMembersProjectsProjectIdMembersGet(projectId);
-  const memberList = normalizeProjectMembers(members.data);
+  const memberList = members.data ?? [];
   const addMember = useAddProjectMemberProjectsProjectIdMembersPost({
     mutation: { onSuccess: () => members.refetch() },
   });
@@ -53,7 +53,7 @@ export default function ProjectDetailPage() {
   });
 
   const tasks = useListTasksTasksGet({ project_id: projectId });
-  const taskList = normalizeTasks(tasks.data);
+  const taskList = tasks.data ?? [];
   const createTask = useCreateTaskTasksPost({
     mutation: { onSuccess: () => tasks.refetch() },
   });
@@ -76,7 +76,7 @@ export default function ProjectDetailPage() {
     { task_id: commentTaskId ?? 0 },
     { query: { enabled: Boolean(commentTaskId) } },
   );
-  const commentList = normalizeTaskComments(comments.data);
+  const commentList = comments.data ?? [];
   const addComment = useCreateTaskCommentTaskCommentsPost({
     mutation: {
       onSuccess: () => {

frontend/src/app/projects/page.tsx

@@ -7,7 +7,6 @@ import styles from "@/app/_components/Shell.module.css";
 import { Button } from "@/components/ui/button";
 import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card";
 import { Input } from "@/components/ui/input";
-import { normalizeProjects } from "@/lib/normalize";
 
 import {
   useCreateProjectProjectsPost,
@@ -18,7 +17,7 @@ export default function ProjectsPage() {
   const [name, setName] = useState("");
 
   const projects = useListProjectsProjectsGet();
-  const projectList = normalizeProjects(projects.data);
+  const projectList = projects.data ?? [];
   const createProject = useCreateProjectProjectsPost({
     mutation: {
       onSuccess: () => {