Improve mobile header and participants dropdown UX.

Add demo trio personas and polish empty-state panel UX.

Harden Expert Persona builder and add model suggestion.

Build credentials during Phase 1 and streamline human participant setup.

perf(orchestrator): prefetch human-phase opinions and tighten context budget

fix(personas): surface Neon HANA persona prompts in the sidebar

fix(ui): honor disabled human in auto-select; rename Transparency to View Prompts

feat(conversation): pluggable structures + decision methods (Robert's Rules, ranked-choice, majority)

feat(resilience): multi-tier participant failure recovery + Response-priority toggle

refactor(ui): shorten Settings menu — accordions + Model Selection merge

feat(ui): header cleanup + Table View shortcut + post-chat downloads strip

feat: human participant turns + credential intake redesign

chore: remove Max Participants debug instrumentation (verified working)

feat(ui): consolidate downloads, move theme into settings, restructure & darken settings menu, fix max-participants prop wiring

feat(transparency): Download as .txt button in Credential Summary

settings: drop Response Priority, make dev panel scrollable

rename: 'CCAI Vibe Demo' -> 'Collaborative Conversational AI (CCAI) Demo'

feat(transparency): add "View current chat prompts" to settings

feat(participants): add "Select N Automatically" option

feat(limits): expose repetition / failsafe limits in settings menu

Surface Credential Summary in settings + exports

Tighten CCAI conversation flow and visual threading

Build CCAI Vibe Demo on top of LLMChats3 baseline

Import LLMChats3 master as CCAI baseline