feat(P25-1/P25-5/P26-1/P26-3/P24-1/P29-4): 落地内部OA够用版后端与试运行能力

关联 Issue: P25-1, P25-2, P25-3, P25-4, P25-5, P26-1, P26-3, P24-1, P24-2, P29-1, P29-2, P29-3, P29-4

server/src/jobs/ocrJob.js

@@ -291,6 +291,11 @@ function startOcrJob(fastify) {
     return null;
   }
 
+  if (!fastify.config.ocrCronEnabled) {
+    fastify.log.info({ provider: fastify.config.ocrProvider }, "OCR cron disabled");
+    return null;
+  }
+
   let running = false;
   const workerId = `ocr-worker:${process.pid}`;