Check committed Go formatting

cmd/releasekit/internal/cli/config.go

@@ -127,6 +127,9 @@ type Settings struct {
 // ValidationSettings selects shared candidate checks in a release profile.
 type ValidationSettings struct {
 	Go GoValidationSettings `json:"go,omitempty"`
+	// GoFormat checks the formatting of committed regular Go source files.
+	// Omitted or false disables the check.
+	GoFormat bool `json:"go_format,omitempty"`
 }
 
 // GoValidationSettings selects checks performed by the Go toolchain.