Function deleteBranch

src/utils/github.ts:574–590

(
  token: string,
  owner: string,
  repo: string,
  branchName: string
)

 * Delete a branch after merge (cleanup).
 */
export async function deleteBranch(
  token: string,
  owner: string,
  repo: string,
  branchName: string
): Promise<boolean> {
  try {
    const res = await ghFetch(
      `/repos/${owner}/${repo}/git/refs/heads/${encodeURIComponent(branchName)}`,
      token,
      { method: 'DELETE' }
    );
    return res.ok || res.status === 422;
  } catch {
    return false;
  }
}

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