Fix invalid JSON in setup-repository placeholder substitution - #6
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The "Update placeholders in cookiecutter.json" step used `sed` to splice raw values into cookiecutter.json. Values containing `"`, `\` or newlines (e.g. a repo description) produced invalid JSON and broke the cookiecutter scaffolding step. Replace `sed` with `jq`, passing values via `--arg` so they are treated as data and serialized with proper JSON escaping. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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The "Update placeholders in cookiecutter.json" step used
sedto splice raw values into cookiecutter.json. Values containing",\or newlines (e.g. a repo description) produced invalid JSON and broke the cookiecutter scaffolding step.Replace
sedwithjq, passing values via--argso they are treated as data and serialized with proper JSON escaping.