Interface ChatMessage

static/frontend/src/types/ui.ts:6–17

// Chat UI Message (extends API message with UI state)
export interface ChatMessage {
  id: string;
  role: 'user' | 'assistant' | 'system';
  content: string;
  timestamp: Date;
  isStreaming?: boolean;
  error?: string;
  /** Accumulated thinking/reasoning content from model */
  thinkingContent?: string;
  /** True while model is actively outputting thinking content */
  isThinking?: boolean;
}

// Model Settings (persisted to localStorage)
export interface ModelSettings {