refactor: refactor the transfer state procedure.

fix: add time window boundary check before interpolation

docs: update 06-stream.md to correct sample sql statement

fix:offset error in tmq & add test cases

update release version on main branch

fix(stream): execute the stream task directly

fix: sma option for show create table

fix mem leak

fix(stream): use streamId&taskId to identify a stream task

fix: add max_speed as keywordw

test:fix comatibility case

the existing sql statement failed due to invalid syntax on "select _wstart as start". copying the statement from the zh document instead