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fix(wiki): retry route LLM call once with strict-JSON correction when first response isn't JSON

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matevip 2026-05-03 09:12:51 +08:00
parent 912a6336d3
commit 03a82ece93
1 changed files with 29 additions and 4 deletions
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33
mateclaw-server/src/main/java/vip/mate/wiki/service/WikiProcessingService.java
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@ -773,10 +773,35 @@ public class WikiProcessingService {
if (!structuredOk) {
JsonNode routeJson = parseJsonResponse(routeResponse);
if (routeJson == null) {
log.warn("[Wiki] Route phase: failed to parse JSON for kbId={}, rawId={}, responseLen={}, first200={}",
kbId, rawId, routeResponse != null ? routeResponse.length() : 0,
routeResponse != null ? routeResponse.substring(0, Math.min(200, routeResponse.length())) : "null");
return 0;
// Some models (GLM in "thinking" mode, Kimi with a "Let me
// analyze..." preamble) ignore the strict-JSON instruction
// on first try and emit prose instead. Their response often
// contains no { or } at all, so even substring extraction
// can't recover. Re-issue once with an explicit corrective
// suffix — empirically this is enough to cut the preamble
// and get clean JSON. One retry only; we don't want to
// chase down the rabbit hole if the model is fundamentally
// misaligned with the schema.
log.info("[Wiki] Route phase: first parse failed, retrying with strict-JSON correction for rawId={}", rawId);
String correctedUser = routeUser
+ "\n\n⚠️ 你上一次的回答无法解析为 JSON。"
+ "这次请**只输出**符合 schema 的 JSON 对象（必须以 `{` 开头、以 `}` 结尾），"
+ "不要包含任何思考过程、解释说明、Markdown 代码块标记或前后文字。";
Prompt retryPrompt = new Prompt(List.of(
new SystemMessage(routeSystem),
new UserMessage(correctedUser)
));
String retryResponse = callLlmWithResilientRetry(retryPrompt,
"route chunk RETRY of raw=" + rawId,
kbId, vip.mate.wiki.job.WikiJobStep.ROUTE);
routeJson = parseJsonResponse(retryResponse);
if (routeJson == null) {
log.warn("[Wiki] Route phase: failed to parse JSON for kbId={}, rawId={}, responseLen={}, first200={}",
kbId, rawId, retryResponse != null ? retryResponse.length() : 0,
retryResponse != null ? retryResponse.substring(0, Math.min(200, retryResponse.length())) : "null");
return 0;
}
log.info("[Wiki] Route phase: JSON correction retry succeeded for rawId={}", rawId);
}
JsonNode createNode = routeJson.path("create");
if (createNode.isArray()) {