Refine harbor exec file inference and help text

[alexgshaw]

Summary

• Tighten harbor exec file-path inference to reduce false positives while still capturing common path and dotfile patterns.
• Clarify exec help text around experimental status and verification controls.
• Remove the deprecated --rp reduce prompt shorthand and clean up the example exec config.
• Add unit coverage for path inference, help text, and alias behavior.

Testing

• Added unit tests for the new file-mention regex and prompt inference behavior.
• Added CLI help and alias regression tests.
• Not run (not requested).

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Project	Deployment	Actions	Updated (UTC)
harbor-docs	Ready	Preview, Comment	Jul 2, 2026 8:47pm

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[kobe0938]

and devin is right

[kobe0938]

can we also add /exec/ in gitignore?

[kobe0938]

1. is it a good idea to remove the /app prefix in those example yaml files map.yaml & map-reduce.yaml just to simplify the experience?
   "Read app/topic.md and write a concise answer to app/answer.md." ->
   "Read topic.md and write a concise answer to answer.md."

2. also, is it good to put the CLI equivalent to map.yaml & map-reduce.yaml as comments to make it clearer for potential users.
   like
   # uv run harbor exec -p examples/exec/inputs/topic.md -i "Read topic.md and write a concise answer to answer.md." -o exec -e modal -a claude-code -m anthropic/claude-sonnet-4-5

[kobe0938]

follow-up pr of #2150