Add debug --prompt/--preview-prompt, cleanup command, worktree locking, and planner re-planning

Move PR creation from implementer to reviewer to avoid wasting CI on unapproved code

Fix duplicate comments in preview-prompt and add timestamps

Harden reviewer: require tester evidence for all approvals, remove Path C shortcut

fix: kill streaming pipeline by real PGID to prevent process leak

Add CI failure detection to fixer PR fetch

Add blocker_check mode so planner unblocks on planned, not done

Fix worktree base branch: use origin/HEAD instead of HEAD

Fix orderedList conversion in jq ADF converter

Replace Node-based ADF converter with pure jq implementation

Fix jq parse errors from failed ralph-adf-to-md conversions

Fix iteration hang: keep MONITOR on through wait for job reaping

Fix loop hang: don't wait on MONITOR-launched stream process group

Fix loop exit: guard all kill calls with || true for set -e

Refactor: extract loop skeleton, split core, unify query builder, validate providers