[LeeEirc]

Summary

Remove the duplicate example client now that cmd/tclient is the supported entry point, and add a complete GitHub Release pipeline for distributing versioned CLI binaries alongside the Go library.

Changes

• Delete _example/telnet_client, including its nested module files and CI step. Keep the independent TCP monitor example and document migration to cmd/tclient.
• Add tclient --version with release version, full commit, build date, Go compiler, and target platform. It works without a host or stdin; ordinary Go builds/installations use embedded module/VCS metadata where available.
• Define six CGO-free GoReleaser builds: Linux, macOS, and Windows on amd64/arm64. Package Unix builds as tar.gz and Windows builds as zip, with documentation and SHA-256 checksums.
• Support both pushed version tags and a manual Release workflow with a version input. Manual releases are restricted to master and create an annotated tag for the exact tested commit; existing tags must match that commit.
• Reuse the native test matrix before releasing. Upload all assets to a draft, attest their checksums with GitHub OIDC, and only then publish. Prerelease tags remain prereleases; already published versions cannot be overwritten.
• Pin Actions to full commit SHAs and GoReleaser to v2.19.0. Keep test/snapshot jobs read-only and grant publishing permissions only to the release job. No personal token or signing key is required.
• Add a v0.1.0 changelog and migration guide covering the breaking configuration API, WindowChange(height, width) argument order, Go 1.20 minimum, prompt/line-ending changes, IAC escaping, and removed APIs. Link the guide from the Release body and include it with the complete documentation in every archive.
• Add release documentation, download verification instructions, and a read-only snapshot job that builds all six packages on PRs and uploads reviewable artifacts for seven days.

Validation

Local validation passed: go test -race -timeout=3m ./..., go vet ./..., the monitor example, all 20 Linux PTY/TCP scenarios, and linked --version/--help smoke tests. Independent review also checked workflow YAML, shell syntax, tag validation, fixed-commit handling, and draft/attestation/publication order.

All five CI jobs passed for the latest commit 8c7c3e78907ab64a33f34c775783f641c317c7c9: Linux/Windows × Go 1.20.x/stable plus the release snapshot job. GoReleaser v2.19.0 configuration validation, all six archives (including the changelog and full documentation), every SHA-256 digest, and the extracted Linux CLI smoke tests passed. The run includes the downloadable snapshot artifact (seven-day retention).

Independent review checked the migration notes against v0.0.2 and current source, including the silent WindowChange argument-order change. YAML validation and local document-link checks also passed.

Copilot review was requested, but GitHub reported insufficient review quota on both attempts; it did not produce a code review or any inline findings. Independent code/workflow review completed with no blocking findings.

Windows binaries support redirected sessions; interactive TTY support remains Unix-only. The Go library and CLI share one semantic-version tag.

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[Copilot]

Copilot was unable to review this pull request because the user who requested the review has insufficient remaining quota. Try requesting a review at a lower effort level.