feat: comprehensive GNU compatibility audit and implementation - #179
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- Audited all 169 commands against GNU upstream - Added 170+ new option implementations - Fixed 12 critical bugs (mpicalc, killall, pkill, pidof, users, groups, etc.) - Fixed test crash (0xc0000409) in test framework - Added 170+ lines of new unit tests for 10 commands - Created compatibility matrix documentation (1064 lines) - Created GNU test framework (run_gnu_tests.sh, compare_outputs.sh) - Updated I18N catalog with 3250+ translation keys - All 169 commands audited with [GNU]/[EXT]/[DIFFERS] annotations
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GNU Compatibility Audit & Implementation\n\n### Summary\nComplete audit and implementation of GNU Coreutils compatibility across all 169 commands in WinuxCmd.\n\n### Changes\n\nOption Implementations (170+ new options):\n- diff: 36 options (--exclude, --color, --ignore-case, etc.)\n- patch: 25 options (--force, --fuzz, --output, etc.)\n- find: 14 ExprKind + parser wiring for findutils options\n- ls: -D/--dired, --hyperlink [DIFFERS]\n- which: fixed -s bug + 6 options\n- du: time-style, count-links, etc.\n- od: floating-point, strings, traditional\n- top: pid, user, threads, width, version\n- free: -m, -l, -s, -c\n- And 20+ other commands\n\nBug Fixes (12 critical):\n- mpicalc: -- decrement operator fixed\n- killall: default exact=false (GNU behavior)\n- pkill/pgrep: substring -> ECMAScript regex\n- pidof: --scripts -> --exact\n- users/groups: real Win32 enumeration\n- ps: -a/-x semantics corrected\n- column: 4 options wired into runtime\n- watch: -d difference highlighting implemented\n- more: -f/-l/-e connected to display logic\n- hexdump: -e returns explicit error\n\nTest Framework:\n- Fixed 0xc0000409 crash (/EHsc + path fix)\n- Added 170+ lines of unit tests for 10 commands\n- Fixed 22 test files\n\nDocumentation:\n- DOCS/en/command_compatibility_matrix.md (1064 lines)\n- DOCS/en/gnu_test_baseline.md\n- scripts/run_gnu_tests.sh\n- scripts/compare_outputs.sh\n\nI18N:\n- 297+ new translation keys in zh-CN catalog\n- Total: 3250 keys, 0 duplicates\n\n### Verification\n- Build: exit 0\n- Git diff check: pass\n- Tests: 467/501 (93%) pass\n- All 169 commands audited against GNU upstream