Fix 6 critical security vulnerabilities: replace pickle with JSON, MD5 with SHA-256, remove hardcoded credentials#27

groupthinking merged 3 commits intomastergroupthinking/self-correcting-executor:masterfrom

copilot/fix-213aa9e3-0b23-4bd9-9b0c-2eb2bc585c94groupthinking/self-correcting-executor:copilot/fix-213aa9e3-0b23-4bd9-9b0c-2eb2bc585c94Copy head branch name to clipboard