fix: resolve checkstyle and javadoc CI failures

Remove lines over 100 chars and fix malformed HTML in javadoc.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: beinan

lance-spark-base_2.12/src/main/java/org/lance/spark/utils/BlobReference.java

@@ -25,7 +25,8 @@
  *
  * <p>When a blob column is read from a Lance table and flows through Spark's shuffle (e.g. during a
  * JOIN + INSERT INTO), the actual blob bytes are NOT materialized. Instead, a small BlobReference
- * (~200 bytes) is serialized as the binary value. The write side detects these references, opens the
+ * (~200 bytes) is serialized as the binary value. The write side detects
+ * these references, opens the
  * source dataset, fetches the actual blob bytes via {@code Dataset.takeBlobs()}, and writes them to
  * the target table.
  *
@@ -44,7 +45,7 @@ public class BlobReference {
   /** Magic header bytes to identify a serialized BlobReference. */
   public static final byte[] MAGIC = {'L', 'B', 'R', 'F'};
 
-  /** Minimum byte length of a serialized BlobReference (magic + version + two empty strings + rowAddress). */
+  /** Min byte length of a serialized BlobReference. */
   private static final int MIN_SIZE = MAGIC.length + 1 + 2 + 2 + 8;
 
   private static final byte VERSION = 1;
@@ -140,6 +141,7 @@ public long getRowAddress() {
   @Override
   public String toString() {
     return String.format(
-        "BlobReference{dataset=%s, column=%s, rowAddr=0x%016X}", datasetUri, columnName, rowAddress);
+        "BlobReference{dataset=%s, column=%s, rowAddr=0x%016X}",
+        datasetUri, columnName, rowAddress);
   }
 }

lance-spark-base_2.12/src/main/java/org/lance/spark/vectorized/BlobStructAccessor.java

@@ -44,8 +44,7 @@ public BlobStructAccessor(StructVector structVector) {
    *
    * @param datasetUri the URI of the source dataset
    * @param columnName the blob column name
-   * @param rowAddresses array of row addresses (fragment_id << 32 | row_offset) for each row in
-   *     this batch
+   * @param rowAddresses row addresses for each row in this batch
    */
   public void setBlobReferenceContext(
       String datasetUri, String columnName, long[] rowAddresses) {