refactor(api): add meta pkg and rename many names

[liubog2008]

• add meta pkg
• rename many names defined in core to make sure they have same format

[liubog2008]

/run-pull-e2e-kind-v2

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 60.22727% with 35 lines in your changes missing coverage. Please review.

Project coverage is 69.43%. Comparing base (39b6417) to head (943c6c3).

Additional details and impacted files

@@             Coverage Diff             @@
##           feature/v2    #6063   +/-   ##
===========================================
  Coverage       69.42%   69.43%           
===========================================
  Files             153      153           
  Lines            9688     9690    +2     
===========================================
+ Hits             6726     6728    +2     
  Misses           2962     2962           

Flag	Coverage Δ
unittest	69.43% <60.22%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

[liubog2008]

/run-pull-e2e-kind-v2

[fgksgf]

/lgtm

[liubog2008]

/run-pull-e2e-kind-v2

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: csuzhangxc, fgksgf

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2025-02-07 09:12:25.417131935 +0000 UTC m=+2187.813353989: ☑️ agreed by fgksgf.
• 2025-02-07 09:12:36.382897843 +0000 UTC m=+2198.779119906: ✖️🔁 reset by ti-chi-bot[bot].
• 2025-02-08 01:58:08.959903689 +0000 UTC m=+62531.356125750: ☑️ agreed by csuzhangxc.