fix(qqbot): bound upload cache expiry

extensions/qqbot/src/engine/utils/upload-cache.test.ts

@@ -0,0 +1,34 @@
+import { afterEach, describe, expect, it, vi } from "vitest";
+import { computeFileHash, getCachedFileInfo, setCachedFileInfo } from "./upload-cache.js";
+
+describe("qqbot upload-cache", () => {
+  afterEach(() => {
+    vi.useRealTimers();
+    vi.restoreAllMocks();
+  });
+
+  it("reuses cached file info before expiry", () => {
+    const hash = computeFileHash("qqbot-cache-hit");
+
+    setCachedFileInfo(hash, "group", "target-hit", 1, "file-info-hit", "uuid-hit", 3600);
+
+    expect(getCachedFileInfo(hash, "group", "target-hit", 1)).toBe("file-info-hit");
+  });
+
+  it("drops cached file info when the current clock is invalid", () => {
+    const hash = computeFileHash("qqbot-invalid-clock");
+    setCachedFileInfo(hash, "group", "target-invalid-clock", 1, "file-info-invalid", "uuid", 3600);
+    vi.spyOn(Date, "now").mockReturnValue(Number.NaN);
+
+    expect(getCachedFileInfo(hash, "group", "target-invalid-clock", 1)).toBeNull();
+  });
+
+  it("does not cache file info when ttl expiry exceeds the Date range", () => {
+    vi.spyOn(Date, "now").mockReturnValue(8_640_000_000_000_000);
+    const hash = computeFileHash("qqbot-overflow");
+
+    setCachedFileInfo(hash, "group", "target-overflow", 1, "file-info-overflow", "uuid", 3600);
+
+    expect(getCachedFileInfo(hash, "group", "target-overflow", 1)).toBeNull();
+  });
+});

extensions/qqbot/src/engine/utils/upload-cache.ts

@@ -4,6 +4,10 @@
  */
 
 import * as crypto from "node:crypto";
+import {
+  isFutureDateTimestampMs,
+  resolveExpiresAtMsFromDurationSeconds,
+} from "openclaw/plugin-sdk/number-runtime";
 import type { ChatScope } from "../types.js";
 import { debugLog } from "./log.js";
 
@@ -46,7 +50,7 @@ export function getCachedFileInfo(
     return null;
   }
 
-  if (Date.now() >= entry.expiresAt) {
+  if (!isFutureDateTimestampMs(entry.expiresAt)) {
     cache.delete(key);
     return null;
   }
@@ -68,7 +72,7 @@ export function setCachedFileInfo(
   if (cache.size >= MAX_CACHE_SIZE) {
     const now = Date.now();
     for (const [k, v] of cache) {
-      if (now >= v.expiresAt) {
+      if (!isFutureDateTimestampMs(v.expiresAt, { nowMs: now })) {
         cache.delete(k);
       }
     }
@@ -83,11 +87,16 @@ export function setCachedFileInfo(
   const key = buildCacheKey(contentHash, scope, targetId, fileType);
   const safetyMargin = 60;
   const effectiveTtl = Math.max(ttl - safetyMargin, 10);
+  const expiresAt = resolveExpiresAtMsFromDurationSeconds(effectiveTtl);
+  if (expiresAt === undefined) {
+    cache.delete(key);
+    return;
+  }
 
   cache.set(key, {
     fileInfo,
     fileUuid,
-    expiresAt: Date.now() + effectiveTtl * 1000,
+    expiresAt,
   });
 
   debugLog(