Fix GitHub workflow security vulnerabilities - comprehensive defense eliminating all command injection vectors#118

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Copilot wants to merge 7 commits intomainfrom

copilot/fix-117

Commits on Sep 16, 2025

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Fix GitHub workflow security vulnerabilities - sanitize variables

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litlfred
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Fix curl injection vulnerability by using file-based data transfer

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litlfred
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Implement JavaScript actions for ultimate security - eliminate all shell processing of context values

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Use intermediate environment variables for remaining inline scripts per GitHub security recommendations

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litlfred
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Fix qa.json processing security vulnerability - eliminate command substitution risks

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litlfred
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Complete qa.json security fix - eliminate all remaining command substitution vulnerabilities

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litlfred
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