Previous curl calls ignored exit codes — PR/issue creation was silently
failing (branch got pushed but no PR/issue landed) while the step reported
green. Now each curl captures the response body and HTTP status, prints
both for debugging, and exits non-zero if status != 201.
Also dropped the labels field from the issue payload — Gitea rejects
issue creation when referenced labels don't exist in the repo, which
may have contributed to the silent failure. Labels can be added
manually post-creation.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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