Windows: no windows-amd64 binary shipped (Windows notifier code exists but never built/attached)

Problem

No Windows binary ships, so the plugin can't run on Windows even though the Windows notification code exists.

Detail

• The repo has full Windows support in source: internal/notifier/bell_windows.go, focus_windows.go, terminal_windows.go (go-toast + beeep).
• bin/hook-wrapper.sh has detect_windows_binary() looking for bin/claude-notifications-windows-<arch>.exe.
• But bin/ only contains the darwin symlink (claude-notifications -> claude-notifications-darwin-arm64); no claude-notifications-windows-amd64.exe is committed or attached to any release.
• Result: on Windows the wrapper finds no binary and the hooks no-op.

Building locally works: CGO_ENABLED=1 CC=<mingw-gcc> GOOS=windows GOARCH=amd64 go build -o bin/claude-notifications-windows-amd64.exe ./cmd/claude-notifications produces a working exe (malgo/CGO needs a mingw toolchain, not MSVC clang).

Suggestion

Attach claude-notifications-windows-amd64.exe to releases (the release.yml matrix already builds it with CGO_ENABLED: '1' on windows-latest) — or document the local build step for Windows users.

Env

Windows 11, Go 1.26.5, plugin v1.40.0

Thanks for the great work on claude-notifications-go!