congqixia dcffe3f446
enhance: [Loon] Use separate PackWriter for v3 sync task (#47206)
Related to #44956
See also #46976

This PR:
- Add `BulkPackWriterV3` for v3 segment sync task
- Remove not needed params for legacy usage
- Fix import task still use bucketname concatenation

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Signed-off-by: Congqi Xia <congqi.xia@zilliz.com>
2026-01-27 14:37:32 +08:00
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