feat: Add v1.2 features - Exit codes, JSON output, and enhanced badges#13

BruinGrowly merged 1 commit intomainBruinGrowly/Python-Code-Harmonizer:mainfrom

claude/fix-black-formatting-011CUf7NJcXsSSKr1fXAedS5BruinGrowly/Python-Code-Harmonizer:claude/fix-black-formatting-011CUf7NJcXsSSKr1fXAedS5Copy head branch name to clipboard