fix(server): normalize Claude question answers

R04 follow-up

Convert client multi-select answer arrays to the comma-separated string shape required by the pinned Claude SDK while preserving single-select strings.

Implemented by GPT-5.6 Sol via Codex.
0bf115554fJulius Marminge committed on 9/1/2026, 4:33:03 AMparenta902fa7
2 files changedLine totals unavailable