fix(auth): highlight failed server connections

apps/mini/src/api.ts

@@ -94,6 +94,18 @@ export async function login(server: string, email: string, password: string): Pr
   return { baseUrl, token: response.token }
 }
 
+export async function checkServerConnection(server: string, signal?: AbortSignal) {
+  try {
+    const response = await fetch(`${normalizeBaseUrl(server)}/api/v1/status`, { signal })
+    if (!response.ok) return false
+    const payload = await response.json() as { timestamp?: unknown }
+    return typeof payload.timestamp === 'string'
+  } catch (error) {
+    if (error instanceof DOMException && error.name === 'AbortError') throw error
+    return false
+  }
+}
+
 export async function fetchProjects(session: ApiSession) {
   useSessionBase(session)
   return request<Project[]>('/api/v1/projects', { token: session.token })