Refactor: merge related hooks (8 files → 5)

- useChampionship + useChampionships → useChampionships
- useMyRegistrations + useRegisterForChampionship → useRegistrations
- useLoginForm + useRegisterForm → useAuthForms

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

web/src/app/(app)/championships/[id]/page.tsx

@@ -1,9 +1,9 @@
 "use client";
 
 import { use } from "react";
-import { useChampionship } from "@/hooks/useChampionship";
+import { useChampionship } from "@/hooks/useChampionships";
-import { useMyRegistrations } from "@/hooks/useMyRegistrations";
+import { useMyRegistrations } from "@/hooks/useRegistrations";
-import { useRegisterForChampionship } from "@/hooks/useRegisterForChampionship";
+import { useRegisterForChampionship } from "@/hooks/useRegistrations";
 import { useAuth } from "@/hooks/useAuth";
 import { RegistrationTimeline } from "@/components/RegistrationTimeline";
 import { StatusBadge } from "@/components/StatusBadge";

web/src/app/(app)/registrations/page.tsx

@@ -1,6 +1,6 @@
 "use client";
 
-import { useMyRegistrations } from "@/hooks/useMyRegistrations";
+import { useMyRegistrations } from "@/hooks/useRegistrations";
 import { RegistrationCard } from "@/components/RegistrationCard";
 
 export default function RegistrationsPage() {

web/src/app/(auth)/login/page.tsx

@@ -1,7 +1,7 @@
 "use client";
 
 import Link from "next/link";
-import { useLoginForm } from "@/hooks/useLoginForm";
+import { useLoginForm } from "@/hooks/useAuthForms";
 import { Button } from "@/components/ui/button";
 import { Input } from "@/components/ui/input";
 import { Label } from "@/components/ui/label";

web/src/app/(auth)/register/page.tsx

@@ -1,7 +1,7 @@
 "use client";
 
 import Link from "next/link";
-import { useRegisterForm } from "@/hooks/useRegisterForm";
+import { useRegisterForm } from "@/hooks/useAuthForms";
 import { MemberFields } from "@/components/auth/MemberFields";
 import { OrganizerFields } from "@/components/auth/OrganizerFields";
 import { Button } from "@/components/ui/button";

web/src/hooks/useAuthForms.ts

@@ -4,6 +4,29 @@ import { useState } from "react";
 import { useRouter } from "next/navigation";
 import { useAuth } from "@/hooks/useAuth";
 
+export function useLoginForm() {
+  const router = useRouter();
+  const login = useAuth((s) => s.login);
+  const isLoading = useAuth((s) => s.isLoading);
+
+  const [email, setEmail] = useState("");
+  const [password, setPassword] = useState("");
+  const [error, setError] = useState("");
+
+  async function submit(e: React.SyntheticEvent) {
+    e.preventDefault();
+    setError("");
+    try {
+      await login(email, password);
+      router.push("/championships");
+    } catch {
+      setError("Invalid email or password");
+    }
+  }
+
+  return { email, setEmail, password, setPassword, error, isLoading, submit };
+}
+
 export function useRegisterForm() {
   const router = useRouter();
   const register = useAuth((s) => s.register);

web/src/hooks/useChampionship.ts

@@ -1,12 +0,0 @@
-"use client";
-
-import { useQuery } from "@tanstack/react-query";
-import { championshipsApi } from "@/lib/api/championships";
-
-export function useChampionship(id: string) {
-  return useQuery({
-    queryKey: ["championship", id],
-    queryFn: () => championshipsApi.get(id),
-    enabled: !!id,
-  });
-}

web/src/hooks/useChampionships.ts

@@ -9,3 +9,11 @@ export function useChampionships() {
     queryFn: () => championshipsApi.list(),
   });
 }
+
+export function useChampionship(id: string) {
+  return useQuery({
+    queryKey: ["championship", id],
+    queryFn: () => championshipsApi.get(id),
+    enabled: !!id,
+  });
+}

web/src/hooks/useLoginForm.ts

@@ -1,28 +0,0 @@
-"use client";
-
-import { useState } from "react";
-import { useRouter } from "next/navigation";
-import { useAuth } from "@/hooks/useAuth";
-
-export function useLoginForm() {
-  const router = useRouter();
-  const login = useAuth((s) => s.login);
-  const isLoading = useAuth((s) => s.isLoading);
-
-  const [email, setEmail] = useState("");
-  const [password, setPassword] = useState("");
-  const [error, setError] = useState("");
-
-  async function submit(e: React.SyntheticEvent) {
-    e.preventDefault();
-    setError("");
-    try {
-      await login(email, password);
-      router.push("/championships");
-    } catch {
-      setError("Invalid email or password");
-    }
-  }
-
-  return { email, setEmail, password, setPassword, error, isLoading, submit };
-}

web/src/hooks/useMyRegistrations.ts

@@ -1,11 +0,0 @@
-"use client";
-
-import { useQuery } from "@tanstack/react-query";
-import { registrationsApi } from "@/lib/api/registrations";
-
-export function useMyRegistrations() {
-  return useQuery({
-    queryKey: ["registrations", "my"],
-    queryFn: () => registrationsApi.my(),
-  });
-}

web/src/hooks/useRegistrations.ts

@@ -1,8 +1,15 @@
 "use client";
 
-import { useMutation, useQueryClient } from "@tanstack/react-query";
+import { useQuery, useMutation, useQueryClient } from "@tanstack/react-query";
 import { registrationsApi } from "@/lib/api/registrations";
 
+export function useMyRegistrations() {
+  return useQuery({
+    queryKey: ["registrations", "my"],
+    queryFn: () => registrationsApi.my(),
+  });
+}
+
 export function useRegisterForChampionship(championshipId: string) {
   const queryClient = useQueryClient();