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* fix(meta): update topic region mapping during table route updates Fix a bug in `build_create_txn` where the parameter order was incorrect (`(topic, region_id)` -> `(region_id, topic)`), and add support for updating topic region mappings during repartition operations. - Add `build_update_txn` method to handle topic region mapping updates - Integrate topic region update into `update_table_route` transaction - Add WAL options merging and validation logic for repartition - Update allocate/deallocate procedures to pass WAL options - Add comprehensive tests for all scenarios This ensures topic region mappings stay in sync with table routes during repartition, preventing data inconsistencies. Signed-off-by: WenyXu <wenymedia@gmail.com> * feat(meta): handle region_not_found in region migration Add support for detecting and handling regions that exist in migration tasks but are no longer present in table routes (e.g., removed after repartition). This prevents unnecessary retries and cleans up related resources. Changes: - Add `region_not_found` field to `SubmitRegionMigrationTaskResult` and `RegionMigrationAnalysis` structs - Update `analyze_region_migration_task` to detect regions missing from current table routes - Deregister failure detectors for `region_not_found` regions in supervisor - Change `table_regions()` return type from `HashMap<TableId, Vec<RegionId>>` to `HashMap<TableId, HashSet<RegionId>>` for better performance - Add test cases for `region_not_found` handling This fixes the issue where migration tasks would continue retrying on regions that have been removed after repartition operations. Signed-off-by: WenyXu <wenymedia@gmail.com> * fix: fix clippy Signed-off-by: WenyXu <wenymedia@gmail.com> --------- Signed-off-by: WenyXu <wenymedia@gmail.com>