[feat] a2a agentkit

[dsf86]

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[CozeLoop]

Submitting review: flagged 3 [🚫Must-Fix] issues (IDL contract regression for span_ids; invalid YAML trailing commas and missing span types in both Docker and Helm configs).

[codecov]

Codecov Report

❌ Patch coverage is 90.00000% with 82 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...modules/evaluation/application/eval_openapi_app.go	90.78%	17 Missing and 17 partials ⚠️
...api/handler/coze/loop/apis/eval_open_apiservice.go	0.00%	21 Missing ⚠️
...d/modules/evaluation/infra/metrics/openapi/emit.go	46.66%	14 Missing and 2 partials ⚠️
...ckend/modules/evaluation/infra/rpc/data/dataset.go	0.00%	5 Missing ⚠️
...on/application/convertor/evaluation_set/openapi.go	98.94%	2 Missing and 2 partials ⚠️
backend/pkg/kitexutil/kitexutil.go	50.00%	1 Missing and 1 partial ⚠️

@@            Coverage Diff            @@
##           main     #265       +/-   ##
=========================================
+ Coverage      0   68.02%   +68.02%     
=========================================
  Files         0      568      +568     
  Lines         0    50478    +50478     
=========================================
+ Hits          0    34337    +34337     
- Misses        0    13472    +13472     
- Partials      0     2669     +2669     

Flag	Coverage Δ
unittests	68.02% <90.00%> (?)

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

Files with missing lines	Coverage Δ
...on/convertor/evaluation_set/evaluation_set_item.go	46.76% <100.00%> (ø)
...uation/application/convertor/target/eval_target.go	88.88% <100.00%> (ø)
...es/evaluation/domain/entity/evaluation_set_item.go	72.72% <ø> (ø)
backend/modules/evaluation/domain/entity/param.go	54.54% <ø> (ø)
...luation/domain/service/evaluation_set_item_impl.go	100.00% <100.00%> (ø)
backend/pkg/kitexutil/kitexutil.go	50.00% <50.00%> (ø)
...on/application/convertor/evaluation_set/openapi.go	98.94% <98.94%> (ø)
...ckend/modules/evaluation/infra/rpc/data/dataset.go	0.00% <0.00%> (ø)
...d/modules/evaluation/infra/metrics/openapi/emit.go	46.66% <46.66%> (ø)
...api/handler/coze/loop/apis/eval_open_apiservice.go	0.00% <0.00%> (ø)
... and 1 more

... and 557 files with indirect coverage changes

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[CozeLoop]

Submitted review with inline comments focused on newly added OpenAPI endpoints and IDL syntax issues. Key findings: replace println with structured logging; implement BatchUpdateDatasetItems RPC; fix trailing commas in Thrift IDLs and service method declaration.