test: add 29 unit tests for estimate_cost helpers#299

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test/estimate-cost-tests

Commits on Mar 18, 2026

docs: add example CLAUDE.md for automatic preflight integration
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Commits on Mar 19, 2026

feat(cli): add --help and --version flags, fix Node badge to 20+
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docs: add TROUBLESHOOTING.md with common setup and config fixes
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docs: add example .preflight/ config and triage YAML files
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Commits on Mar 20, 2026