Make the branded GoSentry theme the default.

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

src/storage/store.go

@@ -118,7 +118,7 @@ func loadOrCreateConfig(paths Paths) (domain.Config, error) {
 	// the setting impossible to persist. Negative values are rejected by
 	// app.validateConfig before they can be saved.
 	if config.Theme == "" {
-		config.Theme = domain.ThemeDefault
+		config.Theme = domain.ThemeGoSentry
 	}
 	return config, nil
 }

src/storage/store_test.go

@@ -171,8 +171,8 @@ func TestLoadOrCreateConfigCreatesDefaultsOnFirstRun(t *testing.T) {
 	if got.DefaultTimeoutSeconds != 0 {
 		t.Errorf("default DefaultTimeoutSeconds = %d, want 0 (no timeout)", got.DefaultTimeoutSeconds)
 	}
-	if got.Theme != domain.ThemeDefault {
-		t.Errorf("default Theme = %q, want %q", got.Theme, domain.ThemeDefault)
+	if got.Theme != domain.ThemeGoSentry {
+		t.Errorf("default Theme = %q, want %q", got.Theme, domain.ThemeGoSentry)
 	}
 	if got.JobListView != domain.JobListViewDetailed {
 		t.Errorf("default JobListView = %q, want %q", got.JobListView, domain.JobListViewDetailed)