Function listChecks

extensions/cli/src/commands/checks.ts:146–202

* List check statuses for a PR, including diffs for checks with commits.

(prUrl: string)

 * List check statuses for a PR, including diffs for checks with commits.
 */
async function listChecks(prUrl: string): Promise<void> {
  const response = await get<ChecksStatusResponse>(
    `api/checks/status?pullRequestUrl=${encodeURIComponent(prUrl)}`,
  );
  const { checks } = response.data;

  if (checks.length === 0) {
    console.log(chalk.dim("No checks found for this PR."));
    return;
  }

  console.log(chalk.bold(`\nChecks for ${chalk.cyan(prUrl)}\n`));

  for (const check of checks) {
    const icon = STATE_ICONS[check.state] || "?";
    console.log(`${icon}  ${chalk.bold(check.name)}`);
    console.log(`   ${chalk.dim(check.description)}`);

    if (check.commitMessage) {
      console.log(`   Commit: ${check.commitMessage}`);
    }

    if (check.suggestionStatus) {
      const statusColor =
        check.suggestionStatus === "pending"
          ? chalk.yellow
          : check.suggestionStatus === "accepted"
            ? chalk.green
            : chalk.red;
      console.log(`   Suggestion: ${statusColor(check.suggestionStatus)}`);
    }

    if (check.commitMessage) {
      await printCheckDiff(check);
    }

    console.log();
  }

  // Summary line
  const pending = checks.filter((c) => c.state === "pending").length;
  const failures = checks.filter((c) => c.state === "failure").length;
  const successes = checks.filter((c) => c.state === "success").length;

  const parts: string[] = [];
  if (successes > 0) parts.push(chalk.green(`${successes} passed`));
  if (failures > 0) parts.push(chalk.red(`${failures} failing`));
  if (pending > 0) parts.push(chalk.yellow(`${pending} pending`));
  console.log(parts.join(", "));

  // Exit code: 0=all pass, 1=any failure, 2=still pending
  if (failures > 0) {
    await gracefulExit(1);
  } else if (pending > 0) {
    await gracefulExit(2);
  }
}