Fail closed on broken extension registries during template resolution - #4004

Closed

mnriem with Copilot wants to merge 3 commits into

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copilot/fix-review-comments

Commits on Aug 6, 2026

Initial plan
Copilot
authored
baaab3f
fix(presets,extensions): fail closed on broken extension registry; skip lower extension tier when a replace base already won

Copilot
and
mnriem
authored
6022181
fix(extensions): use conventional errno (EISDIR/ENOENT) for non-regular-file registry

Copilot
and
mnriem
authored
cb65f20