Harden post-refactor test and check guardrails

maintenance/smart-trigger.js

@@ -0,0 +1,121 @@
+import { isSystemMessageForExtraction } from "./chat-history.js";
+
+export const DEFAULT_TRIGGER_KEYWORDS = [
+  "突然",
+  "没想到",
+  "原来",
+  "其实",
+  "发现",
+  "背叛",
+  "死亡",
+  "复活",
+  "恢复记忆",
+  "失忆",
+  "告白",
+  "暴露",
+  "秘密",
+  "计划",
+  "规则",
+  "契约",
+  "位置",
+  "地点",
+  "离开",
+  "来到",
+];
+
+export function getSmartTriggerDecision(
+  chat,
+  lastProcessed,
+  settings,
+  endFloor = null,
+) {
+  const safeChat = Array.isArray(chat) ? chat : [];
+  const startFloor = Math.max(0, (lastProcessed ?? -1) + 1);
+  const normalizedEndFloor =
+    endFloor == null || endFloor === ""
+      ? null
+      : Number.isFinite(Number(endFloor))
+        ? Math.max(startFloor - 1, Math.floor(Number(endFloor)))
+        : null;
+  const pendingMessages = safeChat
+    .slice(
+      startFloor,
+      normalizedEndFloor == null ? undefined : normalizedEndFloor + 1,
+    )
+    .map((msg, offset) => ({
+      msg,
+      index: startFloor + offset,
+    }))
+    .filter(({ msg, index }) =>
+      !isSystemMessageForExtraction(msg, { index, chat: safeChat }),
+    )
+    .map(({ msg }) => ({
+      role: msg.is_user ? "user" : "assistant",
+      content: msg.mes || "",
+    }))
+    .filter((msg) => msg.content.trim().length > 0);
+
+  if (pendingMessages.length === 0) {
+    return { triggered: false, score: 0, reasons: [] };
+  }
+
+  const reasons = [];
+  let score = 0;
+  const combinedText = pendingMessages.map((message) => message.content).join("\n");
+
+  const keywordHits = DEFAULT_TRIGGER_KEYWORDS.filter((keyword) =>
+    combinedText.includes(keyword),
+  );
+  if (keywordHits.length > 0) {
+    score += Math.min(2, keywordHits.length);
+    reasons.push(`关键词: ${keywordHits.slice(0, 3).join(", ")}`);
+  }
+
+  const customPatterns = String(settings?.triggerPatterns || "")
+    .split(/\r?\n|,/)
+    .map((item) => item.trim())
+    .filter(Boolean);
+  for (const pattern of customPatterns) {
+    try {
+      const regex = new RegExp(pattern, "i");
+      if (regex.test(combinedText)) {
+        score += 2;
+        reasons.push(`自定义触发: ${pattern}`);
+        break;
+      }
+    } catch {
+      // 忽略无效正则，避免影响主流程
+    }
+  }
+
+  const roleSwitchCount = pendingMessages.reduce((count, message, index) => {
+    if (index === 0) return count;
+    return count + (message.role !== pendingMessages[index - 1].role ? 1 : 0);
+  }, 0);
+  if (roleSwitchCount >= 2) {
+    score += 1;
+    reasons.push("多轮往返互动");
+  }
+
+  const punctuationHits = (combinedText.match(/[!?！？]/g) || []).length;
+  if (punctuationHits >= 2) {
+    score += 1;
+    reasons.push("情绪/冲突波动");
+  }
+
+  const entityLikeHits =
+    combinedText.match(
+      /[A-Z][a-z]{2,}|[\u4e00-\u9fff]{2,6}(先生|小姐|王国|城|镇|村|学院|组织|公司|小队|军团)/g,
+    ) || [];
+  if (entityLikeHits.length > 0) {
+    score += 1;
+    reasons.push("疑似新实体/新地点");
+  }
+
+  const threshold = Math.max(1, settings?.smartTriggerThreshold || 2);
+  return {
+    triggered: score >= threshold,
+    score,
+    reasons,
+  };
+}