infra: add golangci lint check

[yuluo-yx]

• For chore: add golangci lint #120

So far, there has been no feedback. This PR will complete this function.

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[github-actions]

👥 vLLM Semantic Team Notification

The following members have been identified for the changed files in this PR and have been automatically assigned:

📁 tools

Owners: @yuluo-yx, @rootfs, @Xunzhuo
Files changed:

• tools/linter/go/.golangci.yml
• tools/make/build-run-test.mk
• tools/make/golang.mk

📁 Root Directory

Owners: @rootfs, @Xunzhuo
Files changed:

• .github/workflows/pre-commit.yml
• .github/workflows/test-and-build.yml
• .pre-commit-config.yaml
• Dockerfile.precommit

📁 src

Owners: @rootfs, @Xunzhuo, @wangchen615
Files changed:

• src/semantic-router/cmd/main.go
• src/semantic-router/go.mod
• src/semantic-router/go.sum
• src/semantic-router/pkg/api/server.go
• src/semantic-router/pkg/cache/cache_test.go
• src/semantic-router/pkg/cache/inmemory_cache_integration_test.go
• src/semantic-router/pkg/cache/milvus_cache.go
• src/semantic-router/pkg/config/config_test.go
• src/semantic-router/pkg/config/mmlu_categories_test.go
• src/semantic-router/pkg/connectivity/mcp/http_client.go
• src/semantic-router/pkg/connectivity/mcp/interface.go
• src/semantic-router/pkg/connectivity/mcp/stdio_client.go
• src/semantic-router/pkg/extproc/caching_test.go
• src/semantic-router/pkg/extproc/edge_cases_test.go
• src/semantic-router/pkg/extproc/endpoint_selection_test.go
• src/semantic-router/pkg/extproc/extproc_test.go
• src/semantic-router/pkg/extproc/metrics_integration_test.go
• src/semantic-router/pkg/extproc/models_endpoint_test.go
• src/semantic-router/pkg/extproc/processor.go
• src/semantic-router/pkg/extproc/reason_mode_config_test.go
• src/semantic-router/pkg/extproc/reason_mode_selector.go
• src/semantic-router/pkg/extproc/reason_mode_selector_test.go
• src/semantic-router/pkg/extproc/reasoning_integration_test.go
• src/semantic-router/pkg/extproc/request_handler.go
• src/semantic-router/pkg/extproc/request_processing_test.go
• src/semantic-router/pkg/extproc/response_handler.go
• src/semantic-router/pkg/extproc/router.go
• src/semantic-router/pkg/extproc/security_test.go
• src/semantic-router/pkg/extproc/server.go
• src/semantic-router/pkg/extproc/stream_handling_test.go
• src/semantic-router/pkg/extproc/test_utils_test.go
• src/semantic-router/pkg/extproc/utils.go
• src/semantic-router/pkg/metrics/metrics_test.go
• src/semantic-router/pkg/observability/logging.go
• src/semantic-router/pkg/services/classification.go
• src/semantic-router/pkg/tools/tools.go
• src/semantic-router/pkg/tools/tools_test.go
• src/semantic-router/pkg/utils/classification/classifier.go
• src/semantic-router/pkg/utils/classification/classifier_test.go
• src/semantic-router/pkg/utils/classification/mcp_classifier.go
• src/semantic-router/pkg/utils/classification/mcp_classifier_test.go
• src/semantic-router/pkg/utils/classification/model_discovery.go
• src/semantic-router/pkg/utils/classification/model_discovery_test.go
• src/semantic-router/pkg/utils/classification/unified_classifier.go
• src/semantic-router/pkg/utils/classification/unified_classifier_test.go
• src/semantic-router/pkg/utils/entropy/entropy.go
• src/semantic-router/pkg/utils/entropy/entropy_test.go
• src/semantic-router/pkg/utils/http/response.go
• src/semantic-router/pkg/utils/tls/tls.go

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🎉 Thanks for your contributions!

This comment was automatically generated based on the OWNER files in the repository.

[yuluo-yx]

hi @rootfs

If you have time, please take a look. thx

[yuluo-yx]

The pr has been merged currently. I think we can now close #120. @roofs