Add sort builtin command#52

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matt-dz wants to merge 9 commits intomainfrom

matt-dz/implement-sort-builtin

Commits on Mar 11, 2026

Add sort builtin command with key sorting, field separation, and safety hardening

matt-dz
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claude
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Fix sort review findings: stable sort, -b blanks, per-file -c, flag rejection

matt-dz
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claude
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Merge branch 'main' into matt-dz/implement-sort-builtin
matt-dz
authored
Fix codex review findings: -u dedup, -c -u strict check, decimal -n, byte guard

matt-dz
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claude
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Fix codex findings: -c multi-file reject, byte cap in scanner, --check=silent

matt-dz
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claude
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Address codex review: separator preservation, string numeric cmp, --check validation, shared byte cap

matt-dz
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claude
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Address codex review: reverse tie-break, non-numeric zero, blank-field preservation

matt-dz
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claude
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Address codex review: +sign, .5 decimal, empty tab, key validation, CRLF

matt-dz
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claude
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Add regression tests for codex findings and fix -k end-field validation

matt-dz
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claude
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