feat(desktop): add project detail route

Wire /projects/:id in desktop router with ProjectDetailPage wrapper
(dynamic document title). Add FolderKanban icon mapping for project
tabs.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

apps/desktop/src/renderer/src/pages/project-detail-page.tsx

@@ -0,0 +1,17 @@
+import { useParams } from "react-router-dom";
+import { useQuery } from "@tanstack/react-query";
+import { ProjectDetail } from "@multica/views/projects/components";
+import { useWorkspaceId } from "@multica/core/hooks";
+import { projectDetailOptions } from "@multica/core/projects/queries";
+import { useDocumentTitle } from "@/hooks/use-document-title";
+
+export function ProjectDetailPage() {
+  const { id } = useParams<{ id: string }>();
+  const wsId = useWorkspaceId();
+  const { data: project } = useQuery(projectDetailOptions(wsId, id!));
+
+  useDocumentTitle(project ? `${project.icon || "📁"} ${project.title}` : "Project");
+
+  if (!id) return null;
+  return <ProjectDetail projectId={id} />;
+}