Post-creation mutations for Issues 2.0 fields:
- --type: resolve type name to ID via RepoIssueTypes, then
updateIssueIssueType mutation
- --parent: resolve issue ref (number or URL), then addSubIssue
mutation (supports cross-repo URLs)
- --blocked-by: resolve refs, then addBlockedBy mutations
- --blocking: resolve refs, then addBlockedBy with swapped args
Interactive mode: type picker when repo has issue types configured.
GHES: relationships gated behind IssueRelationshipsSupported feature
detection (3.19+). Types and sub-issues need no detection (GA 3.17+).
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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