Debug: console.log on parent message listener

Listen for kpaa-route postMessage from Open WebUI iframe -> auto clear refs

Auto-clear refs on new chat (no history + non-meta first user message)

Add /api/clear-references + 🔄 초기화 button on right pane

Rename model display: kpaa-privacy-ko -> 개인정보 미니 상담 AI

Use generator pattern (cross-process yield via spaces res_queue) — ZeroGPU forks process so streamer queue isn't shared

Force streamer.end() in finally — transformers 5.x doesn't always auto-call it

Initial backend code: src/kpaa, runtime data, requirements