loader revisited

pkg/connector/connector.go

@@ -9,6 +9,11 @@ import (
 	"galaxy/model/report"
 )
 
+const (
+	// ArtifactKindExecutable identifies a downloadable standalone executable artifact.
+	ArtifactKindExecutable = "executable"
+)
+
 // Connector is a main interface to provide connectivity with app's server.
 type Connector interface {
 	UIConnector
@@ -33,10 +38,12 @@ type UIConnector interface {
 }
 
 type VersionInfo struct {
-	OS       string       `json:"os"`      // Operating System name (unix, darwin, windows, etc.)
+	OS       string       `json:"os"`      // Operating System name (linux, darwin, windows, etc.)
+	Arch     string       `json:"arch"`    // Target CPU architecture name (amd64, arm64, etc.)
+	Kind     string       `json:"kind"`    // Artifact kind, currently [ArtifactKindExecutable].
 	Version  string       `json:"version"` // Semver format: X.Y.Z
 	URL      string       `json:"url"`     // Artifact download URL for this version
-	Checksum SHA256Digest `json:"sha256"`  // Base64 SHA-256 checksum for artifact binary data
+	Checksum SHA256Digest `json:"sha256"`  // Hex SHA-256 checksum for artifact binary data
 }
 
 // SHA256Digest represents a SHA-256 digest in raw binary form.