fix(orchestrator): detect '# Plan' heading to prevent duplicate in PR body#9

Maxtanh-Meta wants to merge 11 commits into

logosc:mainlogosc/symphony-go:mainfrom

Maxtanh-Meta:fix/plan-heading-h1-duplicateMaxtanh-Meta/symphony-go:fix/plan-heading-h1-duplicateCopy head branch name to clipboard