feat: use new ui bubbletea

internal/provider/language_label.go

@@ -0,0 +1,30 @@
+package provider
+
+import (
+	"fmt"
+	"strings"
+
+	"golang.org/x/text/language"
+	"golang.org/x/text/language/display"
+)
+
+// LanguageLabel returns a human-readable label for a language code.
+// Example: "es" -> "Spanish (es)", "en-US" -> "English (United States) (en-US)".
+func LanguageLabel(code string) string {
+	if code == "" {
+		return ""
+	}
+
+	normalized := strings.ReplaceAll(code, "_", "-")
+	tag, err := language.Parse(normalized)
+	if err != nil {
+		return fmt.Sprintf("language '%s'", code)
+	}
+
+	name := display.English.Tags().Name(tag)
+	if name == "" || strings.EqualFold(name, code) {
+		return fmt.Sprintf("language '%s'", code)
+	}
+
+	return fmt.Sprintf("%s (%s)", name, code)
+}

internal/provider/provider.go

@@ -163,10 +163,15 @@ func ValidateModelLanguage(providerName, modelID, langCode string) error {
 		docsHint = fmt.Sprintf(" See %s for full list.", model.DocsURL)
 	}
 
+	langLabel := LanguageLabel(langCode)
+	if langLabel == "" {
+		langLabel = fmt.Sprintf("language '%s'", langCode)
+	}
+
 	return fmt.Errorf(
-		"model %s does not support language '%s'.%s Supported: %s%s",
+		"model %s does not support %s.%s Supported: %s%s",
 		model.Name,
-		langCode,
+		langLabel,
 		docsHint,
 		strings.Join(supported, ", "),
 		suffix,

internal/provider/provider_test.go

@@ -283,9 +283,9 @@ func TestValidateModelLanguage_ErrorFormat(t *testing.T) {
 		t.Errorf("error should contain docs URL, got: %s", errMsg)
 	}
 
-	// should contain language code
-	if !strings.Contains(errMsg, "'es'") {
-		t.Errorf("error should contain language code, got: %s", errMsg)
+	// should contain language label
+	if !strings.Contains(errMsg, "Spanish (es)") {
+		t.Errorf("error should contain language label, got: %s", errMsg)
 	}
 
 	// should contain supported languages (English-only has just 'en')
@@ -387,10 +387,11 @@ func TestElevenLabsProvider(t *testing.T) {
 		t.Errorf("scribe_v2_realtime AdapterType=%q, want 'elevenlabs-streaming'", scribeV2Realtime.AdapterType)
 	}
 
-	// All models have explicit SupportedLanguages from docs (subset of our 57)
+	// All models should share the same supported language list
+	wantLangCount := len(elevenLabsTranscriptionLanguages)
 	for _, m := range models {
-		if len(m.SupportedLanguages) != 57 {
-			t.Errorf("model %q has %d languages, want 57", m.ID, len(m.SupportedLanguages))
+		if len(m.SupportedLanguages) != wantLangCount {
+			t.Errorf("model %q has %d languages, want %d", m.ID, len(m.SupportedLanguages), wantLangCount)
 		}
 	}
 }