fix(server): project Claude plans and todos

Translate TodoWrite and ExitPlanMode tool input into canonical todo-list and proposed-plan artifacts so every client can render Claude planning state.

Finding: R05

Model: GPT-5.6 Sol via Codex
9d8ad3a484Julius Marminge committed on 9/5/2026, 4:54:28 AMparentee8d6f8
2 files changedLine totals unavailable