* feat: use flow batching engine
broken: try using logical plan
fix: use dummy catalog for logical plan
fix: insert plan exec&sqlness grpc addr
feat: use frontend instance in flownode in standalone
feat: flow type in metasrv&fix: flush flow out of sync& column name alias
tests: sqlness update
tests: sqlness flow rebuild udpate
chore: per review
refactor: keep chnl mgr
refactor: use catalog mgr for get table
tests: use valid sql
fix: add more check
refactor: put flow type determine to frontend
* chore: update proto
* chore: update proto to main branch
* fix: add locks for create/drop flow&docs: update docs
* feat: flush_flow flush all ranges now
* test: add align time window test
* docs: explain `nodeid` use in check task
* refactor: AddAutoColumnRewriter check for Projection
* refactor: per review
* fix: query without time window also clean dirty time window
* chore: better logging
* chore: add comments per review
* refactor: per review
* chore: per review
* chore: per review rename args
* refactor: per review partially
* chore: update docs
* chore: use better error variant
* chore: better error variant
* refactor: rename FlowWorkerManager to FlowStreamingEngine
* rename again
* refactor: per review
* chore: rebase after #5963 merged
* refactor: rename all flow_worker_manager occurs
* docs: rm resolved TODO
* feat: add mysql election
* feat: add mysql election
* chore: fix deps
* chore: fix deps
* fix: duplicate container
* fix: duplicate setup for sqlness
* fix: call once
* fix: do not use NOWAIT for mysql 5.7
* chore: apply comments
* fix: no parallel sqlness for mysql
* chore: comments and minor revert
* chore: apply comments
* chore: apply comments
* chore: add to table name
* ci: use 2 metasrv to detect election bugs
* refactor: better election logic
* chore: apply comments
* chore: apply comments
* feat: version check before startup
