refactor: Remove /ui path prefix

Removed the /ui basePath from Next.js configuration to serve the app at root path:

- Removed basePath: "/ui" from next.config.ts
- Updated all API route calls from /ui/api/* to /api/*
- App now accessible at root path instead of /ui subdirectory

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

app/(dashboard)/projects/page.tsx

@@ -45,7 +45,7 @@ export default function ProjectsPage() {
   const { data: projects, isLoading: isProjectsLoading } = useQuery({
     queryKey: ["projects"],
     queryFn: async (): Promise<ListProjects> => {
-      const res = await fetch("/ui/api/scrapyd/projects");
+      const res = await fetch("/api/scrapyd/projects");
       if (!res.ok) throw new Error("Failed to fetch projects");
       return res.json();
     },
@@ -56,7 +56,7 @@ export default function ProjectsPage() {
     queryKey: ["versions", selectedProject],
     queryFn: async (): Promise<ListVersions> => {
       const res = await fetch(
-        `/ui/api/scrapyd/versions?project=${selectedProject}`
+        `/api/scrapyd/versions?project=${selectedProject}`
       );
       if (!res.ok) throw new Error("Failed to fetch versions");
       return res.json();
@@ -67,7 +67,7 @@ export default function ProjectsPage() {
   // Delete project mutation
   const deleteProjectMutation = useMutation({
     mutationFn: async (project: string) => {
-      const res = await fetch("/ui/api/scrapyd/projects", {
+      const res = await fetch("/api/scrapyd/projects", {
         method: "DELETE",
         headers: { "Content-Type": "application/json" },
         body: JSON.stringify({ project }),
@@ -85,7 +85,7 @@ export default function ProjectsPage() {
   // Upload version mutation
   const uploadVersionMutation = useMutation({
     mutationFn: async (formData: FormData) => {
-      const res = await fetch("/ui/api/scrapyd/versions", {
+      const res = await fetch("/api/scrapyd/versions", {
         method: "POST",
         body: formData,
       });