chore(model): refactor model ppl to handler

[tianweidut]

Description

use the more common name to express model evaluator

Modules

• Client
• Other

Checklist

• run code format and lint check
• add unit test
• add necessary doc

[codecov]

Codecov Report

Merging #1279 (e031614) into main (e031614) will not change coverage.
The diff coverage is n/a.

❗ Current head e031614 differs from pull request most recent head ab320a0. Consider uploading reports for the commit ab320a0 to get more accurate results

@@            Coverage Diff            @@
##               main    #1279   +/-   ##
=========================================
  Coverage     73.88%   73.88%           
  Complexity     1212     1212           
=========================================
  Files           287      287           
  Lines         13399    13399           
  Branches        651      651           
=========================================
  Hits           9900     9900           
  Misses         3277     3277           
  Partials        222      222           

Flag	Coverage Δ
controller	60.87% <0.00%> (ø)
standalone	85.64% <0.00%> (ø)
unittests	85.64% <0.00%> (ø)

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[goldenxinxing]

LGTM

[goldenxinxing]

LGTM