feat(interactive): Add schema management ability for groot java sdk

[siyuan0322]

What do these changes do?

• Encapsulate GraphDefPb into customized class Schema
• Set a high bytes default for kafka producer.

Related issue number

Fixes #3192

[codecov-commenter]

Codecov Report

Merging #3193 (088d398) into main (f859319) will increase coverage by 29.88%.
Report is 3 commits behind head on main.
The diff coverage is n/a.

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #3193       +/-   ##
===========================================
+ Coverage   42.05%   71.94%   +29.88%     
===========================================
  Files         101      102        +1     
  Lines       10985    11072       +87     
===========================================
+ Hits         4620     7966     +3346     
+ Misses       6365     3106     -3259     

see 60 files with indirect coverage changes

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