refactor(repo): consolidate openflare-server to root and move subprojects to internal/apps

- Merge all files inside openflare-server to the repository root directory.
- Relocate agent, relay, and flared subprojects from internal/ to internal/apps/.
- Combine docker-compose files and update build context paths to root.
- Update GitHub workflows and Dockerfiles to refer to new directories and package names.
- Rewrite Go package imports across all files.
- Resolve database renew test race condition and clean up docs.

frontend/app/(main)/pages/components/pages-utils.ts

@@ -0,0 +1,22 @@
+export function formatBytes(bytes: number, decimals = 2) {
+  if (bytes === 0) return '0 B';
+  const k = 1024;
+  const dm = decimals < 0 ? 0 : decimals;
+  const sizes = ['B', 'KB', 'MB', 'GB'];
+  const i = Math.floor(Math.log(bytes) / Math.log(k));
+  return `${parseFloat((bytes / Math.pow(k, i)).toFixed(dm))} ${sizes[i]}`;
+}
+
+export const projectsQueryKey = ['openflare', 'pages', 'projects'] as const;
+
+export function projectQueryKey(projectId: string | number) {
+  return ['openflare', 'pages', 'project', String(projectId)] as const;
+}
+
+export function deploymentsQueryKey(projectId: number) {
+  return ['openflare', 'pages', 'deployments', projectId] as const;
+}
+
+export function deploymentFilesQueryKey(projectId: number, deploymentId: number) {
+  return ['openflare', 'pages', 'deployment-files', projectId, deploymentId] as const;
+}