[fix] Choice controls never toggle visibility; non-signatories not asylum dests

[ux] Show multi-select options instantly (no extra Continue)

[fix] Fully-scripted multilingual interview (no LLM) + remove walkthrough chrome

[fix] Deterministic slot-filling interview (agentic flow, consistent UI)

[T017-T029] Phase 1 — agent loop + interview core

[T001-T016] Phase 0 — project setup: agent loop, state machine, Gradio skeleton