Record.compareTo() throws ClassCastException when comparing records

## Description

`Record.compareTo()` throws a `ClassCastException` when comparing records containing `Comparable` values.

The issue occurs because `Record.values` is an `Object[]`, but `compareTo()` attempts to cast the entire array to `Comparable[]`.

## Location

`wayang-commons/wayang-basic/src/main/java/org/apache/wayang/basic/data/Record.java`

Around lines 184-185.

## Steps to Reproduce

```java
Record first = new Record(1, 2);
Record second = new Record(1, 2);

first.compareTo(second);
```

This results in a `ClassCastException`.

## Expected Behavior

`Record.compareTo()` should compare the record values without throwing a `ClassCastException`.

For the example above, comparing two equal records should return `0`.

## Proposed Solution

Compare the record values element-by-element instead of casting the entire `Object[]` to `Comparable[]`.

I have implemented a fix locally and added regression tests covering equal records, ordering, tie-breaking, single-field records, and dissimilar field types.

Start in wayang-commons/wayang-basic/src/main/java/org/apache/wayang/basic/data/Record.java around lines 184-185 and inspect how compareTo() handles values. Reproduce the equal-record case first, then verify element-by-element comparison for ordering, tie-breaking, single-field records, and dissimilar field types; done means these comparisons no longer throw ClassCastException and equal records return 0.

Written by the indexing model from the issue text.