Fix Cain architecture: Align with parent HuggingClaw Node.js gateway

feat: bilingual conversation, word-wrap bubbles, remove unused panels

feat: chat log panel + improved conversation orchestrator

feat: add conversation bubble display and A2A chat orchestrator

fix: restore 302 redirect for token so frontend JS can read it from URL

fix: apply iframe CSP fix before URL rewrite to prevent frame-ancestors 'none'

fix: use server-side URL rewrite instead of 302 redirect for token injection

Upload scripts/token-redirect.cjs with huggingface_hub

Upload scripts/token-redirect.cjs with huggingface_hub

feat: auto-fill gateway token via URL redirect