v6 version first commit

sdk/auth/errors.go

@@ -0,0 +1,40 @@
+package auth
+
+import (
+	"fmt"
+
+	"github.com/router-for-me/CLIProxyAPI/v6/internal/interfaces"
+)
+
+// ProjectSelectionError indicates that the user must choose a specific project ID.
+type ProjectSelectionError struct {
+	Email    string
+	Projects []interfaces.GCPProjectProjects
+}
+
+func (e *ProjectSelectionError) Error() string {
+	if e == nil {
+		return "cliproxy auth: project selection required"
+	}
+	return fmt.Sprintf("cliproxy auth: project selection required for %s", e.Email)
+}
+
+// ProjectsDisplay returns the projects list for caller presentation.
+func (e *ProjectSelectionError) ProjectsDisplay() []interfaces.GCPProjectProjects {
+	if e == nil {
+		return nil
+	}
+	return e.Projects
+}
+
+// EmailRequiredError indicates that the calling context must provide an email or alias.
+type EmailRequiredError struct {
+	Prompt string
+}
+
+func (e *EmailRequiredError) Error() string {
+	if e == nil || e.Prompt == "" {
+		return "cliproxy auth: email is required"
+	}
+	return e.Prompt
+}