Release 1.4.0: macOS CLI builds and multi-platform update channel.

Co-authored-by: Cursor <cursoragent@cursor.com>

internal/update/update_test.go

@@ -1,6 +1,9 @@
 package update
 
-import "testing"
+import (
+	"strings"
+	"testing"
+)
 
 func TestCompare(t *testing.T) {
 	if Compare("1.1.0", "1.0.0") <= 0 {
@@ -13,3 +16,28 @@ func TestCompare(t *testing.T) {
 		t.Fatal("expected equal")
 	}
 }
+
+func TestManifestAssetFor(t *testing.T) {
+	m := Manifest{
+		URL:    "https://git.evilfox.cc/legacy.exe",
+		SHA256: "abc",
+		Platforms: map[string]PlatformAsset{
+			"darwin-arm64": {
+				URL:    "https://git.evilfox.cc/arm64/Navis",
+				SHA256: "def",
+			},
+		},
+	}
+	u, s, ok := m.AssetFor("darwin-arm64")
+	if !ok || u == "" || s != "def" {
+		t.Fatalf("darwin: %v %q %q", ok, u, s)
+	}
+	u, s, ok = m.AssetFor("windows-amd64")
+	if !ok || !strings.Contains(u, "legacy") || s != "abc" {
+		t.Fatalf("windows legacy: %v %q %q", ok, u, s)
+	}
+	_, _, ok = m.AssetFor("linux-amd64")
+	if ok {
+		t.Fatal("expected missing linux")
+	}
+}