feat: V1.1 - 注释补充

src/main/java/com/codechecker/cache/detector/WritePoint.java

@@ -36,6 +36,7 @@ public class WritePoint {
         return keyExpression == null ? "" : keyExpression.replaceAll("\\s+", "");
     }
 
+    /** @return 是否为 MQ 通道（RocketMQ / Kafka） */
     public boolean isMq() {
         return CHANNEL_ROCKETMQ.equals(channel) || CHANNEL_KAFKA.equals(channel);
     }
@@ -136,6 +137,9 @@ public class WritePoint {
         this.channel = channel == null || channel.isEmpty() ? CHANNEL_REDIS : channel;
     }
 
+    /**
+     * @return 展示用写入位置，形如 {@code SimpleClass#method:line}
+     */
     public String location() {
         String simpleClass = enclosingClass;
         if (simpleClass != null && simpleClass.contains(".")) {