feat(coverage): surface per-line execution hit counts#861
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The LCOV report already carried real per-line execution counts in its DA:<line>,<count> records, but nothing pinned the count value and the text report showed none. Add an opt-in text block, BASHUNIT_COVERAGE_SHOW_LINE_HITS (default off, gated like SHOW_UNCOVERED/SHOW_FUNCTIONS), that lists each covered line as <lineno>:<count> per file, reusing get_all_line_hits. Add tests pinning the DA count value (a thrice-hit line -> DA:...,3) and the new view, plus docs. Closes #856
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🤔 Background
Related #856
Coverage's LCOV report already carried real per-line execution counts in its
DA:<line>,<count>records, but the count value was never pinned by a test and the text report exposed none.💡 Changes
BASHUNIT_COVERAGE_SHOW_LINE_HITS=true(default off, gated likeSHOW_UNCOVERED/SHOW_FUNCTIONS) prints aLine Hitssection listing each covered line as<lineno>:<count>per file, reusingget_all_line_hits.DAexecution-count value (a thrice-hit line →DA:…,3) and the new view.