};

/** Detects data URLs before image-specific avatar validation. */

export const AVATAR_DATA_RE = /^data:/i;

const AVATAR_DATA_RE = /^data:/i;

/** Detects inline image data URLs that can be used as avatar sources. */

export const AVATAR_IMAGE_DATA_RE = /^data:image\//i;

const AVATAR_IMAGE_DATA_RE = /^data:image\//i;

/** Detects remote avatar URLs served over HTTP(S). */

export const AVATAR_HTTP_RE = /^https?:\/\//i;

const AVATAR_HTTP_RE = /^https?:\/\//i;

/** Detects URI schemes so non-path avatar values can be rejected or routed. */

export const AVATAR_SCHEME_RE = /^[a-z][a-z0-9+.-]*:/i;

const AVATAR_SCHEME_RE = /^[a-z][a-z0-9+.-]*:/i;

/** Detects Windows absolute paths before URI-scheme classification. */

export const WINDOWS_ABS_RE = /^[a-zA-Z]:[\\/]/;

const WINDOWS_ABS_RE = /^[a-zA-Z]:[\\/]/;

const AVATAR_PATH_EXT_RE = /\.(png|jpe?g|gif|webp|svg|ico)$/i;

/** JSON opening delimiters supported by the balanced-fragment scanner. */

export type JsonOpeningDelimiter = "{" | "[";

type JsonOpeningDelimiter = "{" | "[";

/** One balanced JSON object/array fragment found inside arbitrary text. */

export type BalancedJsonFragment = {

type BalancedJsonFragment = {

json: string;

startIndex: number;

endIndex: number;

// Final tag helpers detect final-answer tag regions in assistant text.

export type FinalTagMatch = {

type FinalTagMatch = {

index: number;

text: string;

isClose: boolean;

}

/** Parses a candidate `<final>` tag while rejecting lookalike names and malformed attributes. */

export function parseFinalTag(text: string): Omit<FinalTagMatch, "index" | "text"> | null {

function parseFinalTag(text: string): Omit<FinalTagMatch, "index" | "text"> | null {

if (!text.startsWith("<") || !text.endsWith(">")) {

return null;

}

import { asOptionalRecord } from "@openclaw/normalization-core/record-coerce";

import { normalizeOptionalString as readTrimmedString } from "@openclaw/normalization-core/string-coerce";

export type ToolCallShapedTextDetection = {

type ToolCallShapedTextDetection = {

kind: "json_tool_call" | "xml_tool_call" | "bracketed_tool_call" | "react_action";

toolName?: string;

};