/**
 * Meissa schema element — a tuple of [componentType, ...args]
 * Examples:
 *   ["heading", "Dashboard"]
 *   ["btn", { label: "Click me", action: "onClick" }]
 *   ["row", [...children]]
 */
export type MeissaSchemaElement = [string, ...unknown[]];
/**
 * A Meissa schema is an array of schema elements.
 */
export type MeissaSchema = MeissaSchemaElement[];
/**
 * Theme configuration for the Meissa renderer.
 */
export interface MeissaTheme {
    /** Background color */
    bg?: string;
    /** Foreground/text color */
    fg?: string;
    /** Primary accent color */
    primary?: string;
    /** Secondary accent color */
    secondary?: string;
    /** Muted/subtle color */
    muted?: string;
    /** Border color */
    border?: string;
    /** Error/danger color */
    error?: string;
    /** Success color */
    success?: string;
    /** Warning color */
    warning?: string;
    /** Border radius (e.g., "0.5rem") */
    radius?: string;
    /** Font family */
    font?: string;
}
/**
 * Options for createMeissaApp.
 */
export interface MeissaAppOptions {
    /** Theme configuration */
    theme?: MeissaTheme;
    /** HTML page title */
    title?: string;
    /** Width hint for iframe (e.g., "800px", "100%") */
    width?: string;
    /** Height hint for iframe (e.g., "600px", "100%") */
    height?: string;
}
/**
 * The result returned by createMeissaApp.
 */
export interface MeissaAppResult {
    /** The complete self-contained HTML string */
    content: string;
    /** MIME type — always "text/html" */
    mimeType: "text/html";
}
/**
 * Outgoing messages (iframe -> host).
 */
export type MeissaOutgoingMessage = MeissaActionMessage | MeissaNavigateMessage | MeissaReadyMessage | MeissaResizeMessage;
export interface MeissaActionMessage {
    type: "meissa:action";
    action: string;
    args: Record<string, unknown>;
}
export interface MeissaNavigateMessage {
    type: "meissa:navigate";
    uri: string;
}
export interface MeissaReadyMessage {
    type: "meissa:ready";
}
export interface MeissaResizeMessage {
    type: "meissa:resize";
    height: number;
}
/**
 * Incoming messages (host -> iframe).
 */
export type MeissaIncomingMessage = MeissaDataMessage | MeissaPatchMessage | MeissaUpdateMessage | MeissaActionResponseMessage;
export interface MeissaDataMessage {
    type: "meissa:data";
    data: Record<string, unknown>;
}
export interface MeissaPatchMessage {
    type: "meissa:patch";
    patches: MeissaJsonPatch[];
}
export interface MeissaUpdateMessage {
    type: "meissa:update";
    data: Record<string, unknown>;
}
export interface MeissaActionResponseMessage {
    type: "meissa:action-response";
    result: unknown;
}
export interface MeissaJsonPatch {
    op: "add" | "remove" | "replace" | "move" | "copy" | "test";
    path: string;
    value?: unknown;
    from?: string;
}