import type { GitHubCustomToolsSourceSummary, GitHubSyncResult } from "../api";import {  consoleIntegrationHref,  formatSyncErrors,  syncStatusLabel,  toolDiff,} from "./custom-tools-client"; export interface SourcePanelModel {  readonly title: string;  readonly repository: {    readonly href: string;    readonly label: string;  };  readonly lastSynced: string;  readonly publishedTools: {    readonly href: string;    readonly label: string;  };} export interface SyncNoticeModel {  readonly status: GitHubSyncResult["status"];  readonly message: string;  readonly added: readonly string[];  readonly removed: readonly string[];  readonly errors: readonly string[];  readonly skipped: GitHubSyncResult["skipped"];  readonly upstreamSha?: string;} export const formatRelativeSyncTime = (iso: string, now = Date.now()): string => {  const then = new Date(iso).getTime();  if (Number.isNaN(then)) return iso;  const diffMs = Math.max(0, now - then);  const min = Math.floor(diffMs / 60_000);  if (min < 1) return "just now";  if (min < 60) return `${min}m ago`;  const hrs = Math.floor(min / 60);  if (hrs < 24) return `${hrs}h ago`;  const days = Math.floor(hrs / 24);  if (days < 7) return `${days}d ago`;  const weeks = Math.floor(days / 7);  if (weeks < 5) return `${weeks}w ago`;  const months = Math.floor(days / 30);  if (months < 12) return `${months}mo ago`;  return `${Math.floor(days / 365)}y ago`;}; export const sourceRepositoryDisplay = (  source: GitHubCustomToolsSourceSummary,): SourcePanelModel["repository"] => {  const explicitRef = /\/(tree|commit)\//.test(source.url);  const base = `github.com/${source.repo}`;  return {    href: source.url,    label: explicitRef ? `${base} @ ${source.ref}` : base,  };}; export const toolsCountLabel = (count: number): string =>  `${count} ${count === 1 ? "tool" : "tools"}`; export const sourcePanelModel = (  source: GitHubCustomToolsSourceSummary,  options?: { readonly now?: number },): SourcePanelModel => ({  title: source.name,  repository: sourceRepositoryDisplay(source),  lastSynced: `Last synced ${formatRelativeSyncTime(source.publishedAt, options?.now)}`,  publishedTools: {    href: consoleIntegrationHref(`/integrations/${encodeURIComponent(source.slug)}?tab=tools`),    label: toolsCountLabel(source.tools.length),  },}); export const syncNoticeFromResult = (  result: GitHubSyncResult,  beforeTools: readonly string[],): SyncNoticeModel => {  const diff =    result.status === "failed" ? { added: [], removed: [] } : toolDiff(beforeTools, result.tools);  return {    status: result.status,    message: syncStatusLabel(result),    added: diff.added,    removed: diff.removed,    errors: formatSyncErrors(result),    skipped: result.skipped,    ...(result.upstreamSha ? { upstreamSha: result.upstreamSha } : {}),  };};