Why I'm doing:

What I'm doing:

Fixes #issue

What type of PR is this:

[ ] BugFix
[ ] Feature
[ ] Enhancement
[ ] Refactor
[ ] UT
[ ] Doc
[x] Tool

Does this PR entail a change in behavior?

[ ] Yes, this PR will result in a change in behavior.
[x] No, this PR will not result in a change in behavior.

If yes, please specify the type of change:

[ ] Interface/UI changes: syntax, type conversion, expression evaluation, display information
[ ] Parameter changes: default values, similar parameters but with different default values
[ ] Policy changes: use new policy to replace old one, functionality automatically enabled
[ ] Feature removed
[ ] Miscellaneous: upgrade & downgrade compatibility, etc.

Checklist:

[ ] I have added test cases for my bug fix or my new feature
[ ] This pr needs user documentation (for new or modified features or behaviors)
- [ ] I have added documentation for my new feature or new function
[ ] This is a backport pr

Bugfix cherry-pick branch check:

[x] I have checked the version labels which the pr will be auto-backported to the target branch
- [ ] 4.0
- [ ] 3.5
- [ ] 3.4
- [ ] 3.3

[!NOTE] Refactors CI to use pre-commit-driven path filters and conditional job gating, updates filters/dependencies/artifacts, and makes minor comment tweaks in BE/FE files.

CI pipeline:

Pre-commit integration: basic-checker now outputs pre_commit*, ONLY_*_TEST, and *CHANGE flags; be-checker/fe-checker parse pre-commit job conclusions to gate downstream jobs.

Conditional execution: Added guards across clang-format, thirdparty-update, be-ut, clang-tidy, fe-codestyle-check, sonarcloud-fe-checker, fe-ut, and build to skip when unchanged or pre-commit succeeded; adjusted build necessity and dependencies; reuse latest OSS package when no code changes.

Path filters: Moved run-be-ut.sh under BE ut; FE includes **/pom.xml in fe and pom filters.

Artifacts/actions: Increased artifact retention to 7 (or 3 for logs); added Test Case Info artifact; switched actions/download-artifact to v6 where used.

Workflow plumbing: Propagate/consume new outputs (e.g., MYSQL_ECI_IP via restart-fe to admit); added git checkout commit-pipeline in CI-tool steps; added extra cleanup/eci handling.

Jobs adjusted: build dependencies simplified; SQL-Tester clean step exits early; Teardown now also needs fe-ut and be-ut.

Code:

Minor comment additions in be/test/agent/agent_task_test.cpp and AlterCancelException.java.

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