[aw-daily] GAP-4/5: Add model error handling and Ctrl-C fix gotchas to production-gotchas.md (gh-aw v0.68.3)

[github-actions]

Gap Details

Type: missing
Priority: 3
File: skills/aw-author/references/production-gotchas.md
Section: New section — "Model Errors"

Current Content

The production-gotchas.md covers expression interpolation, GitHub App token conflicts, safe-outputs, and other runtime issues, but has no section on model errors or engine-level failures.

Expected Change

Add a new section documenting two gh-aw v0.68.3 improvements:

1. Model-not-supported detection: gh-aw v0.68.3 now surfaces a clear error when the configured model is unavailable. Previously, model availability issues resulted in silent failures or opaque error messages.

2. Context propagation for Ctrl-C (closely related): gh-aw v0.68.3 fixed context propagation through all CLI subprocess calls. Previously, Ctrl-C during long-running operations (artifact downloads, log fetches, workflow runs) did not terminate background processes — they would hang until network timeout. Now, Ctrl-C correctly cancels all in-flight operations.

Both of these are "resolved gotchas" — they represent classes of issues that workflows may have worked around. Document so authors know these issues are fixed in v0.68.3+.

Source

gh-aw v0.68.3 release (2026-04-14): https://github.com/github/gh-aw/releases/tag/v0.68.3
PR #26372: Context propagation fix

Note

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