task-74: 隔离调度线程池、文件作业线程池和外部 Coze/图片执行池

backend-java/src/main/java/com/nanri/aiimage/config/SchedulingConfig.java

@@ -1,6 +1,7 @@
 package com.nanri.aiimage.config;
 
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
@@ -20,9 +21,9 @@ public class SchedulingConfig {
     private static final ZoneId BUSINESS_ZONE = ZoneId.of("Asia/Shanghai");
 
     @Bean
-    public TaskScheduler taskScheduler() {
+    public TaskScheduler taskScheduler(@Value("${aiimage.scheduling.pool-size:4}") int poolSize) {
         ThreadPoolTaskScheduler scheduler = new ThreadPoolTaskScheduler();
-        scheduler.setPoolSize(4);
+        scheduler.setPoolSize(Math.max(1, poolSize));
         scheduler.setThreadNamePrefix("aiimage-scheduling-");
         scheduler.setClock(Clock.system(BUSINESS_ZONE));
         scheduler.setWaitForTasksToCompleteOnShutdown(true);

backend-java/src/main/java/com/nanri/aiimage/config/TaskFileJobConfig.java

@@ -42,19 +42,24 @@ public class TaskFileJobConfig {
             ExecutorService cozeVirtualThreadExecutor,
             @Value("${aiimage.coze-task.max-concurrent:12}") int maxConcurrent) {
         Semaphore semaphore = new Semaphore(Math.max(1, maxConcurrent));
-        return new ConcurrentTaskExecutor(command -> cozeVirtualThreadExecutor.execute(() -> {
-            boolean acquired = false;
-            try {
-                semaphore.acquire();
-                acquired = true;
-                command.run();
-            } catch (InterruptedException ex) {
-                Thread.currentThread().interrupt();
-            } finally {
-                if (acquired) {
-                    semaphore.release();
-                }
+        return new ConcurrentTaskExecutor(command -> {
+            if (command == null) {
+                throw new IllegalArgumentException("coze 任务不能为 null");
             }
-        }));
+            cozeVirtualThreadExecutor.execute(() -> {
+                boolean acquired = false;
+                try {
+                    semaphore.acquire();
+                    acquired = true;
+                    command.run();
+                } catch (InterruptedException ex) {
+                    Thread.currentThread().interrupt();
+                } finally {
+                    if (acquired) {
+                        semaphore.release();
+                    }
+                }
+            });
+        });
     }
 }