/**
* Detects inbound messages that are reflections of assistant - originated content .
* These patterns indicate internal metadata leaked into a channel and then
* bounced back as a new inbound message — creating an echo loop .
*/
import { findCodeRegions, isInsideCode } from "openclaw/plugin-sdk/text-runtime" ;
const INTERNAL_SEPARATOR_RE = /(?:#\+){2 ,}#?/;
const ASSISTANT_ROLE_MARKER_RE = /\bassistant\s+to\s*=\s*\w+/i;
// Require closing `>` to avoid false-positives on phrases like "<thought experiment>".
const THINKING_TAG_RE = /<\s*\/?\s*(?:think(?:ing)?|thought|antthinking)\b[^<>]*>/i;
const RELEVANT_MEMORIES_TAG_RE = /<\s*\/?\s*relevant[-_]memories\b[^<>]*>/i;
// Require closing `>` to avoid false-positives on phrases like "<final answer>".
const FINAL_TAG_RE = /<\s*\/?\s*final \b[^<>]*>/i;
const REFLECTION_PATTERNS: Array<{ re: RegExp; label: string }> = [
{ re: INTERNAL_SEPARATOR_RE, label: "internal-separator" },
{ re: ASSISTANT_ROLE_MARKER_RE, label: "assistant-role-marker" },
{ re: THINKING_TAG_RE, label: "thinking-tag" },
{ re: RELEVANT_MEMORIES_TAG_RE, label: "relevant-memories-tag" },
{ re: FINAL_TAG_RE, label: "final-tag" },
];
export type ReflectionDetection = {
isReflection: boolean ;
matchedLabels: string[];
};
function hasMatchOutsideCode(text: string, re: RegExp): boolean {
const codeRegions = findCodeRegions(text);
const globalRe = new RegExp(re.source, re.flags.includes("g" ) ? re.flags : `${re.flags}g`);
for (const match of text.matchAll(globalRe)) {
const start = match.index ?? -1 ;
if (start >= 0 && !isInsideCode(start, codeRegions)) {
return true ;
}
}
return false ;
}
/**
* Check whether an inbound message appears to be a reflection of
* assistant - originated content . Returns matched pattern labels for telemetry .
*/
export function detectReflectedContent(text: string): ReflectionDetection {
if (!text) {
return { isReflection: false , matchedLabels: [] };
}
const matchedLabels: string[] = [];
for (const { re, label } of REFLECTION_PATTERNS) {
if (hasMatchOutsideCode(text, re)) {
matchedLabels.push(label);
}
}
return {
isReflection: matchedLabels.length > 0 ,
matchedLabels,
};
}
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(vorverarbeitet am 2026-09-29)
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