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A sub-issue can have only one parent, so when --add-sub-issue is given a candidate that already belongs to another parent the addSubIssue mutation 422s with "Sub issue may only have one parent". Pass replaceParent: true on this path so the take-over is silent.
Cover the new flag surface end to end against a real GitHub repo: issue type set/remove on create and edit, parent set/remove on create and edit, sub-issue add/remove (including the silent take-over of an existing parent), blocked-by/blocking add/remove on create and edit, list filtering by type, and the new non-tty view fields. Live in a dedicated TestIssues2_0 suite so they're easy to run in isolation.
babakks
approved these changes
May 13, 2026
Signed-off-by: Babak K. Shandiz <babakks@github.com>
Add acceptance tests for non-interactive Issues 2.0 flows
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Fix the
Sub issue may only have one parent422 that surfaces when--add-sub-issueis handed a candidate that already belongs to another parent. PassreplaceParent: trueso the take-over is silent.Stacked on top of #13412 (which is on top of #13411).