fix(feishu): persist dedup cache across gateway restarts via warmup (openclaw#31605) thanks @Sid-Qin

Verified:
- pnpm install --frozen-lockfile
- pnpm build
- pnpm check
- pnpm test:macmini (fails on unrelated baseline test: src/config/config.legacy-config-detection.rejects-routing-allowfrom.test.ts)

Co-authored-by: Sid-Qin <201593046+Sid-Qin@users.noreply.github.com>
Co-authored-by: Tak Hoffman <781889+Takhoffman@users.noreply.github.com>

extensions/feishu/src/monitor.account.ts

@@ -16,6 +16,7 @@ import {
   hasRecordedMessagePersistent,
   tryRecordMessage,
   tryRecordMessagePersistent,
+  warmupDedupFromDisk,
 } from "./dedup.js";
 import { isMentionForwardRequest } from "./mention.js";
 import { fetchBotOpenIdForMonitor } from "./monitor.startup.js";
@@ -510,6 +511,11 @@ export async function monitorSingleAccount(params: MonitorSingleAccountParams):
     throw new Error(`Feishu account "${accountId}" webhook mode requires verificationToken`);
   }
 
+  const warmupCount = await warmupDedupFromDisk(accountId, log);
+  if (warmupCount > 0) {
+    log(`feishu[${accountId}]: dedup warmup loaded ${warmupCount} entries from disk`);
+  }
+
   const eventDispatcher = createEventDispatcher(account);
   const chatHistories = new Map<string, HistoryEntry[]>();