Creates new user-invocable skill for fixing PRs based on review feedback: - Takes multiple PR numbers as arguments - Creates isolated fix worktrees for each PR - Spawns pr-fixer agents in parallel - Event-driven result handling - Addresses review comments autonomously - Commits and pushes fixes to Gitea using tea - Shows detailed summary of all fixes Uses tea and gitea skill (not gh). Pattern matches spawn-issues and spawn-pr-reviews: Haiku orchestrator with allowed-tools. Completes the spawn trilogy: - spawn-issues: full workflow (implement → review → fix) - spawn-pr-reviews: review only (read-only) - spawn-pr-fixers: fix only (based on feedback) Co-Authored-By: Claude Code <noreply@anthropic.com>