/** Config for composer — loaded once at extension load from <agent-dir>/configs/composer.json. */
export declare const DEFAULT_CONFIG: {
    /** Full box with side borders, or top/bottom horizontal rules only. */
    BOXED_VIEW: boolean;
    /** Horizontal padding inside the box (and around the prefix). */
    BOX_PAD_X: number;
    /** Blank lines between the bottom border and the slash-menu. */
    MENU_GAP: number;
    /** Extra indent (spaces) for slash-menu lines. */
    EXTRA_MENU_INDENT: number;
    /** Theme colour token or hex for the box border. */
    BORDER_COLOR: string;
    /** Prefix glyph shown on the first body line. */
    PREFIX: string;
    /** Theme colour token or hex for the prefix. */
    PREFIX_COLOR: string;
    /** Corner style: "rounded" (╭╮│╰╯) or "square" (┌┐│└┘). */
    CORNERS: 'rounded';
    /** Restyle the border when this pane has terminal focus (needs tmux focus-events). */
    FOCUS_INDICATOR: boolean;
    /** Theme colour token or hex for the border while the pane is focused. */
    FOCUSED_BORDER_COLOR: string;
    /** Inlay the session name in the border when the session has one. */
    SESSION_NAME: boolean;
    /** Theme colour token or hex for the session name. */
    SESSION_NAME_COLOR: string;
    /** Which end of the border the name sits at. */
    SESSION_NAME_POSITION: 'left' | 'right';
    /** Surround template; must contain `{name}`. The surrounding glyphs are
     * painted in the border colour, the name in SESSION_NAME_COLOR. */
    SESSION_NAME_FORMAT: string;
    /** Cell cap for the name before truncating with …; 0 = fit within the rule. */
    SESSION_NAME_MAX_WIDTH: number;
    /** Which border carries the name. */
    SESSION_NAME_BORDER: 'top' | 'bottom';
    /** Animate the prefix glyph as a spinner while the agent is working. */
    SPINNER: boolean;
    /** Built-in spinner preset (see SPINNERS). Custom spinnerFrames override it. */
    SPINNER_STYLE: SpinnerStyle;
    /** Theme colour token, hex, or "rainbow" for the spinner. */
    SPINNER_COLOR: string;
    /** Animate the border while the agent is working. */
    GLOW: boolean;
    /** "pulse" breathes the border colour; "shimmer" sweeps a highlight along the rules. */
    GLOW_STYLE: 'pulse' | 'shimmer';
    /** Theme colour token, hex, or "rainbow" the glow animates toward. */
    GLOW_COLOR: string;
    /** Milliseconds per glow cycle. */
    GLOW_PERIOD_MS: number;
    /** Milliseconds per full hue rotation for "rainbow" colours. */
    RAINBOW_PERIOD_MS: number;
};
/** Built-in spinner presets. Frames may be any cell width — the prefix slot
 * is sized to the widest frame of the active spinner. Each preset carries a
 * tuned default interval, overridable with spinnerIntervalMs. */
export declare const SPINNERS: {
    /** Classic braille dots (pi-style). */
    readonly dots: {
        readonly frames: readonly ['⠋', '⠙', '⠹', '⠸', '⠼', '⠴', '⠦', '⠧', '⠇', '⠏'];
        readonly intervalMs: 80;
    };
    /** Dense braille disc with an orbiting gap. */
    readonly disc: {
        readonly frames: readonly ['⣾', '⣽', '⣻', '⢿', '⡿', '⣟', '⣯', '⣷'];
        readonly intervalMs: 90;
    };
    /** Moon phases (emoji, 2 cells wide). */
    readonly moon: {
        readonly frames: readonly ['🌑', '🌒', '🌓', '🌔', '🌕', '🌖', '🌗', '🌘'];
        readonly intervalMs: 90;
    };
    /** Twinkling star — flares and dims rather than spinning. */
    readonly star: {
        readonly frames: readonly ['✶', '✸', '✹', '✺', '✹', '✸'];
        readonly intervalMs: 90;
    };
    /** A dot orbiting a circle. */
    readonly orbit: {
        readonly frames: readonly ['◜', '◠', '◝', '◞', '◡', '◟'];
        readonly intervalMs: 80;
    };
    /** A quarter-block bouncing around the corners of the cell. */
    readonly corners: {
        readonly frames: readonly ['▖', '▘', '▝', '▗'];
        readonly intervalMs: 120;
    };
    /** A spinning filled triangle. */
    readonly triangle: {
        readonly frames: readonly ['◢', '◣', '◤', '◥'];
        readonly intervalMs: 120;
    };
    /** KITT scanner — a comet with a fading tail bouncing across 6 cells. */
    readonly scanner: {
        readonly frames: readonly ['●·····', '•●····', '·•●···', '··•●··', '···•●·', '····•●', '·····●', '····●•', '···●•·', '··●•··', '·●•···', '●•····'];
        readonly intervalMs: 60;
    };
    /** Scanner's little sibling — 3 cells, no tail. */
    readonly 'mini-scanner': {
        readonly frames: readonly ['●··', '·●·', '··●', '·●·'];
        readonly intervalMs: 120;
    };
};
export type SpinnerStyle = keyof typeof SPINNERS;
/** Live config — reloadConfig() mutates this object in place, so modules
 * that read `CONFIG.X` at use time see updates without re-importing. */
export declare const CONFIG: {
    BOXED_VIEW: boolean;
    BOX_PAD_X: number;
    MENU_GAP: number;
    EXTRA_MENU_INDENT: number;
    BORDER_COLOR: string;
    PREFIX: string;
    PREFIX_COLOR: string;
    CORNERS: 'rounded' | 'square';
    FOCUS_INDICATOR: boolean;
    FOCUSED_BORDER_COLOR: string;
    SESSION_NAME: boolean;
    SESSION_NAME_COLOR: string;
    SESSION_NAME_POSITION: 'left' | 'right';
    SESSION_NAME_FORMAT: string;
    SESSION_NAME_MAX_WIDTH: number;
    SESSION_NAME_BORDER: 'top' | 'bottom';
    SPINNER: boolean;
    SPINNER_FRAMES: readonly string[];
    SPINNER_INTERVAL_MS: number;
    SPINNER_COLOR: string;
    GLOW: boolean;
    GLOW_STYLE: 'pulse' | 'shimmer';
    GLOW_COLOR: string;
    GLOW_PERIOD_MS: number;
    RAINBOW_PERIOD_MS: number;
};
/** Error from the most recent config load, or null if it loaded cleanly. */
export declare function configLoadError(): string | null;
/** Re-read composer.json into CONFIG. On error the previous config is
 * kept. Returns the error message, or null on success. */
export declare function reloadConfig(): string | null;