- Add toPosixPath() helper to normalize output paths to forward slashes
- Use string concatenation for relative base paths instead of path.join()
- Apply toPosixPath() to all user-facing file paths in init.cjs output
- Use array-based execFileSync in test helpers to bypass shell quoting
issues with JSON args and dollar signs on Windows cmd.exe
Fixes 7 test failures on Windows: frontmatter set/merge (3), init
path assertions (2), and state dollar-amount corruption (2).
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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