/**
 * src/overlay/injector.ts
 * Weavetab — Browser Presence Layer v3 (stripped)
 *
 * Kept:     SPA nav detection,
 *           __wt_setConfig, __wt_status, favicon state.
 * Removed:  cursor (moved to content.js), chat panel, thought bubble,
 *           ask modal, screen glow, CSS keyframes, emoji system.
 *
 * @module overlay/injector
 */
import CDP from "chrome-remote-interface";
import type { Config } from "../config/loader.js";
export type CursorState = "idle" | "hover" | "clicking" | "typing" | "thinking" | "searching" | "reading" | "navigating" | "scrolling" | "dragging" | "burst" | "waiting" | "github" | "stuck" | "eval" | "clear";
export declare function getMinimalOverlayScript(): string;
export declare const INSTALL_EXPR = "if(window.__wt_install_minimal)window.__wt_install_minimal();";
export declare function ensureVisualLayer(session: CDP.Client, config: Config, client?: import("../cdp/connector.js").BrowserClient): Promise<void>;
export declare function setupOverlay(session: CDP.Client, config: Config): Promise<void>;
export declare function setFaviconState(_session: CDP.Client, _state: CursorState): Promise<void>;
export declare function removeTitleBadge(_session: CDP.Client): Promise<void>;
export declare function hideCursor(session: CDP.Client): Promise<void>;
export declare function setCursorState(session: CDP.Client, state: CursorState): Promise<void>;