Propagate qr go failures from shell wrapper

[baanish]

Summary

The installed shell wrapper now returns failure when qr go --print-path fails instead of silently doing nothing.

• Bash/zsh: dir=$(command qr go …) || return $?
• Fish: captures $status and returns before cd
• Successful path behavior unchanged (stdout stays path-only)
• Tests assert generated snippets include status handling

Test plan

• cargo test shell::tests
• cargo test
• cargo fmt --all -- --check
• cargo clippy --all-targets --locked -- -D warnings

  

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Review details

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📥 Commits

Reviewing files that changed from the base of the PR and between fcf57af and 01e47c5.

📒 Files selected for processing (1)

• src/shell.rs

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Code Review Summary

Status: No Issues Found | Recommendation: Merge

Files Reviewed (1 file)

• src/shell.rs - 0 issues

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_{Reviewed by glm-5.2-short · Input: 15.2K · Output: 3.6K · Cached: 105.4K}