fix:add committed & seek process logic

fix(stream): kill task when pause the stream execution.

fix(stream): set the correct end key of delete block.

docs: add unit in wal_retention_period description

other: merge 3.0

fix(stream): initialize the filter window initial range.

init scan state

save compact window info

other: merge 3.0

refactor(stream): refactor the pause/resume for fill history execution.

fix(tsdb/cache/del): use lru mutex to fix race with committing

other: merge 3.0

Update cases.task