Opus 5 is unusable for even trivial tasks right now, so i changed one thing inside my CLAUDE․md file that fixes it: i specified the exact model routing i want and how to spawn sub-agents & headless workers once i've validated a plan in practice: a heavy coding task spawns a Codex headless worker on GPT 5.6 Sol, a writing task spawns a Kimi K3 worker, and so on i update the table as new models release the routing is grounded in the plan Claude writes, so i approve the plan once and never…