/**
 * TUI helper functions and constants.
 *
 * Pure utilities shared across the TUI plugin — no SolidJS reactivity.
 *
 * @module
 */
import type { RGBA } from "@opentui/core";
import { formatDuration, truncate, shortSessionId, compactDuration, barSegments } from "../utils/display-helpers";
import { buildSessionScope } from "../utils/session-scope";
export { formatDuration, truncate, shortSessionId, compactDuration, barSegments, buildSessionScope };
export type ThemeColors = Record<string, RGBA>;
export type HealthState = "ACTIVE" | "IDLE" | "NO_STATE" | "STALE" | "ERROR";
export declare const REFRESH_MS = 1000;
export declare const MAX_DISPATCH_ROWS = 8;
export declare const MAX_GRAPH_ROWS = 2;
export declare const MAX_ENGINE_GRAPH_ROWS = 2;
export declare const MAX_LOOP_ROWS = 3;
export declare const MAX_FN_ROWS = 6;
export declare const BAR_WIDTH = 6;
export declare const RULE_WIDTH = 36;
export declare const INDENT = "  ";
export declare const BOLD: number;
export declare const DIM: number;
export declare const ITALIC: number;
export declare const UNDERLINE: number;
export declare const DIM_ITALIC: number;
export declare const G_RUNNING = "\u2022";
export declare const G_PENDING = "\u00B7";
export declare const G_ERROR = "\u2717";
export declare const G_DONE = "\u2713";
export declare const G_CANCEL = "\u25CB";
export declare const G_TIMEOUT = "\u25C7";
export declare const G_GATED = "\u00B7";
export declare const G_BAR_ON = "\u25A0";
export declare const G_BAR_OFF = "\u25A1";
export declare const G_SUB = "\u00B7";
export declare const G_RULE = "\u2500";
export declare const G_STALLED = "!";
export declare const G_RUNNING_COMPACT = "\u00B7";
export declare const G_DONE_COMPACT = "\u00B7";
export declare const LEN_VERSION = 8;
export declare const LEN_DUR = 8;
export declare function rgbaToCSS(c: RGBA): string;
export declare function readPackageVersion(): string;
/** Extract the leaf agent name from a "--"-scoped path. */
export declare function agentLeaf(agent: string): string;
/** Extract the ROOT agent name (first segment before --). */
export declare function agentRoot(agent: string): string;
/** Format a time duration as a human-readable relative time like "3s ago", "2m ago", or "1h ago". */
export declare function formatTimeAgo(ms: number): string;
/** Status glyph + color for a task. */
export declare function statusVisual(status: string, c: ThemeColors): {
    glyph: string;
    color: RGBA;
};
/**
 * Map a graph-engine node lifecycle status onto a display glyph.
 *
 * Pure (color-free) so it is reusable/testable outside the UI; the caller
 * picks the fg color. Unknown statuses fall back to a neutral dot.
 */
export declare function engineNodeGlyph(status: string): string;
/** Wrap a long string into lines of at most `width` chars. */
export declare function wrapText(text: string, width: number): string[];
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