Function fetchTree

apps/sim/connectors/github/github.ts:82–112

* Fetches the full recursive tree for a branch.

(
  accessToken: string,
  owner: string,
  repo: string,
  branch: string
)

 * Fetches the full recursive tree for a branch.
 */
async function fetchTree(
  accessToken: string,
  owner: string,
  repo: string,
  branch: string
): Promise<TreeItem[]> {
  const url = `${GITHUB_API_URL}/repos/${owner}/${repo}/git/trees/${encodeURIComponent(branch)}?recursive=1`

  const response = await fetchWithRetry(url, {
    method: 'GET',
    headers: {
      Accept: 'application/vnd.github+json',
      Authorization: `Bearer ${accessToken}`,
      'X-GitHub-Api-Version': '2022-11-28',
    },
  })

  if (!response.ok) {
    const errorText = await response.text()
    logger.error('Failed to fetch GitHub tree', { status: response.status, error: errorText })
    throw new Error(`Failed to fetch repository tree: ${response.status}`)
  }

  const data = await response.json()

  if (data.truncated) {
    logger.warn('GitHub tree was truncated — some files may be missing', { owner, repo, branch })
  }

  return (data.tree || []).filter((item: TreeItem) => item.type === 'blob')
}

/**
 * Fetches blob content via the Git Blobs API. Used as a fallback when the