Largest release since initial publication — 147 issues across 14 release candidates. Three workflow modes (assistant/workspace/handoff), cross-environment resume (/continue), /config UX overhaul, agent-initiated file delivery (outbox), interactive plan outline with hold-open approval, Codex/Gemini approval policies, auto-continue for Claude Code, stall diagnostics with CPU-aware suppression, orphan progress cleanup, cost budget toggles, model metadata for all 6 engines, and 60+ bug fixes.