1. 添加“显示ID”字段，用来给前端展示任务/规则/防护对象的自定义ID（非主键ID）

2. 新增Counter类，新增Redis相关以来

src/main/java/com/realtime/protection/configuration/utils/Counter.java

@@ -0,0 +1,37 @@
+package com.realtime.protection.configuration.utils;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.data.redis.core.BoundValueOperations;
+import org.springframework.data.redis.core.Cursor;
+import org.springframework.data.redis.core.ScanOptions;
+import org.springframework.data.redis.core.StringRedisTemplate;
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Service;
+
+@Service
+@Slf4j
+public class Counter {
+    private final StringRedisTemplate stringRedisTemplate;
+
+    public Counter(StringRedisTemplate stringRedisTemplate) {
+        this.stringRedisTemplate = stringRedisTemplate;
+    }
+
+    public Long generateId(String typeName) {
+        String key = String.format("counter::%s", typeName.toLowerCase());
+        BoundValueOperations<String, String> op = stringRedisTemplate.boundValueOps(key);
+        return op.increment();
+    }
+
+    @Scheduled(cron = "0 0 0 * * ?")
+    public void resetId() {
+        Cursor<String> cursor = stringRedisTemplate.scan(ScanOptions.scanOptions().build());
+        while (cursor.hasNext()) {
+            String key = cursor.next();
+            if (key.startsWith("counter::")) {
+                stringRedisTemplate.delete(key);
+                log.debug("删除计时器key: {}", key);
+            }
+        }
+    }
+}