Class App

cake-cli/src/chat.rs:111–132

// ── App state ──────────────────────────────────────────────────────────────

struct App {
    // Tab
    tab: Tab,
    // Chat state
    messages: Vec<ChatMessage>,
    input: String,
    cursor_pos: usize,
    scroll_offset: u16,
    total_lines: u16,
    streaming: bool,
    waiting: bool,   // true after send, before first token
    thinking: bool,  // true while inside <think>...</think>
    // Cluster state
    topology: Option<TopologyResponse>,
    cluster_scroll: u16,
    cluster_total_lines: u16,
    // Common
    server: String,
    status: String,
    should_quit: bool,
    auto_scroll: bool,
}

impl App {
    fn new(server: &str) -> Self {