Regenerate example outputs

Author: github-actions[bot]

examples/row_compare.md

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+# Row Compare
+
+Compare rows using a dataset YAML with file inputs
+
+## Command
+
+```bash
+sqlcompare dataset tests/datasets/row_compare/dataset.yaml
+```
+
+## Output
+
+```text
+Prepared dataset tables: sqlcompare.dataset_dataset_998aa249_previous, sqlcompare.dataset_dataset_998aa249_new
+✅ Ensured schema 'sqlcompare' exists
+Joining tables: sqlcompare.dataset_dataset_998aa249_previous and sqlcompare.dataset_dataset_998aa249_new
+Rows only in current dataset: 1
++----+-------+--------+--------+
+| id | name  | amount | status |
++----+-------+--------+--------+
+| 4  | delta |   40   |  open  |
++----+-------+--------+--------+
+Rows only in previous dataset: 1
++----+-------+--------+--------+
+| id | name  | amount | status |
++----+-------+--------+--------+
+| 2  | bravo |   20   |  open  |
++----+-------+--------+--------+
+🚨 Differences in values for common rows: 2 rows in total
+
+📊 Difference statistics by column:
++-------------+------------+
+| COLUMN_NAME | diff_count |
++-------------+------------+
+|   amount    |     1      |
+|    name     |     1      |
++-------------+------------+
+
+✅ Columns with no differences: status
+
+📋 Sample differences (first 10 rows):
++----+--------+--------+---------+
+| id | COLUMN | BEFORE | CURRENT |
++----+--------+--------+---------+
+| 1  |  name  | alpha  |  alfa   |
+| 1  | amount |   10   |   11    |
++----+--------+--------+---------+
+🔎 To review the diff, run: sqlcompare analyze-diff compare_sqlcompare_dataset_dataset_998aa249_previous_sqlcompare_dataset_dataset_998aa249_new_20260104_025829_b28946b5
+💡 Tips: --stats for per-column counts, --missing-current/--missing-previous for row-only, --column <name> to filter, --list-columns to inspect available fields.
+```

examples/stats_compare.md

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+# Stats Compare
+
+Compare statistics between two CSV files
+
+## Command
+
+```bash
+sqlcompare table tests/datasets/stats_compare/previous.csv tests/datasets/stats_compare/current.csv --stats
+```
+
+## Output
+
+```text
+📊 Table statistics comparison:
++-------------+-----------+----------+------------+-----------+---------------+--------------+-----------+------------+---------------+
+| COLUMN_NAME | PREV_ROWS | NEW_ROWS | PREV_NULLS | NEW_NULLS | PREV_DISTINCT | NEW_DISTINCT | ROWS_DIFF | NULLS_DIFF | DISTINCT_DIFF |
++-------------+-----------+----------+------------+-----------+---------------+--------------+-----------+------------+---------------+
+|     id      |     5     |    6     |     0      |     0     |       5       |      6       |     1     |     0      |       1       |
+|   segment   |     5     |    6     |     0      |     0     |       3       |      3       |     1     |     0      |       0       |
+|   amount    |     5     |    6     |     0      |     0     |       4       |      5       |     1     |     0      |       1       |
+|    notes    |     5     |    6     |     2      |     1     |       1       |      1       |     1     |     -1     |       0       |
++-------------+-----------+----------+------------+-----------+---------------+--------------+-----------+------------+---------------+
+```