Fix Register, Add Linter, Add More Concurrency Tests

[dcbickfo]

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[Copilot]

Pull Request Overview

This PR fixes a concurrency bug in the register method, adds comprehensive linting configuration, and includes extensive concurrency testing. The changes improve code reliability, maintainability, and testing coverage for distributed cache operations.

• Fixed race condition in the register method using CompareAndDelete
• Added golangci-lint configuration with comprehensive linting rules
• Added extensive concurrency tests to validate distributed locking behavior

Reviewed Changes

Copilot reviewed 10 out of 10 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
cacheaside.go	Fixed register race condition, improved error handling, and added comprehensive package documentation
cacheaside_test.go	Added three new concurrency tests and fixed lock prefix in existing tests
internal/cmdx/slot.go	Replaced magic number with named constant for Redis cluster slots
internal/cmdx/slot_test.go	Added comprehensive test suite for Redis cluster slot calculation
.golangci.yml	Added comprehensive linting configuration with 43 linters
.github/workflows/CI.yml	Added golangci-lint to CI pipeline
README.md	Fixed multiple syntax errors and improved code examples
internal/syncx/wait_test.go	Fixed import ordering per linter rules
internal/syncx/map_test.go	Fixed import ordering per linter rules
internal/mapsx/maps_test.go	Fixed import ordering per linter rules

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[Copilot]

Pull Request Overview

Copilot reviewed 10 out of 10 changed files in this pull request and generated 1 comment.

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[Copilot]

The imported 'log' package is not used in the example code. Consider removing this unused import.