feat(cd): implement cd builtin with -L/-P, cd -, and $HOME support#214

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AlexandreYang wants to merge 51 commits intomainfrom

Commits on May 4, 2026

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AlexandreYang
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feat(cd): implement cd builtin with -L/-P, cd -, and $HOME support
AlexandreYang
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[iter 1] fix(cd): resolve intermediate symlinks under -P; preserve cd's PWD/OLDPWD
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[iter 1] test(cd): align scenario error assertions with bash's capitalised messages
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[iter 1] fix(cd): filter U+0080 in cd fuzz inputs
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[iter 2] fix(cd): cross-platform symlink-loop test, empty HOME/OLDPWD parity, fuzz comment
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[iter 2] test(cd): skip Windows tests that interpolate paths into shell scripts
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[iter 3] fix: address review comments — comment accuracy, weak assertion, code dedup
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[iter 3] test(cd): add stdout_contains_windows for tests asserting path separators
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[iter 3] fix(cd): cd "" is a no-op success matching bash
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[iter 3] fix(cd): update TestCdEmptyArg and relocate empty_arg scenario
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[iter 4] fix(cd): no-op cd cases now update OLDPWD to current directory
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[iter 5] fix(cd): cd - with empty OLDPWD prints bare newline; doc and comment fixes
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[iter 1] doc(cd): expand cd - description to cover empty-OLDPWD and print semantics
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[iter 2] fix(cd): update one-liner doc and add test for cd -P - raw-print invariant
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[iter 3] fix(cd): use display="-" for cd - errors; add cd -P - bash scenario
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[iter 4] test(cd): add sandbox and intermediate-symlink scenario tests
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[iter 5] doc(cd): fix sandbox error description; document CDPATH omission
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[iter 6] fix(cd): remove dead fuzz seeds with embedded newlines/NULs
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[iter 1] docs(cd): address P2/P3 review findings
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[iter 1] merge: sync with main (pwd builtin, help features overhaul)
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[iter 2] test(cd): add scenario tests for OLDPWD inline assignment and -LP last-wins
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[iter 4] fix(cd): cross-platform inline_home scenario test
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fix(review-fix-loop): only increment clean streak on no-findings iterations
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fix(review-fix-loop): only increment clean streak on no-findings iterations
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[iter 1] test(cd): strengthen cd -P - scenario assertion
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[iter 2] test(cd): add scenario for cd -P -L last-wins (logical mode)
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[iter 1] docs(review-fix-loop): clarify inner vs outer loop signal scoping
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fix(skills): match chatgpt-codex-connector without [bot] suffix in GraphQL filters
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Merge remote-tracking branch 'origin/alex/review-fix-loop' into alex/rshell-cd
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[iter 1] fix(cd): resolve P1/P2 review findings
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undo skills
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[iter 1] Address review comments: not_a_directory stderr_contains, NewWorkDir SECURITY note, CDPATH scenario
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[iter 1] Fix Windows CI failures in cd builtin: volume-name handling in resolvePhysical
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[iter 2] fix(cd): applyNewWorkDir distinguishes unset vs empty $PWD for OLDPWD
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[iter 3] fix(cd): assert OLDPWD updated on empty HOME; clarify ErrPermission SECURITY comment
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[iter 4] fix(cd): show OLDPWD path in cd - error messages; add StatFile nil guard
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[iter 6] fix(cd): SetInterspersed(false), fix displayOverride for empty OLDPWD, HostPrefix in resolvePhysical, expand contract comment
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[iter 6] Fix CI: add strings.HasPrefix to cd per-command symbol allowlist
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Commits on May 5, 2026