From 9d4f977026bbb4516f8cc97f715c0dc28bf2a13f Mon Sep 17 00:00:00 2001
From: Ariver <shanghai3168@gmail.com>
Date: Mon, 29 Jun 2026 20:16:29 +0800
Subject: [PATCH] Add performance diagnostics build

---
 privatevoice.src/internal/modelselection/selection_test.go |   97 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 97 insertions(+), 0 deletions(-)

diff --git a/privatevoice.src/internal/modelselection/selection_test.go b/privatevoice.src/internal/modelselection/selection_test.go
index db311aa..718d061 100644
--- a/privatevoice.src/internal/modelselection/selection_test.go
+++ b/privatevoice.src/internal/modelselection/selection_test.go
@@ -40,6 +40,43 @@
 	}
 }
 
+func TestResolveAutoUsesEuropeanDefaultModel(t *testing.T) {
+	cfg := config.Default()
+	cfg.LanguageMode = config.LanguageModeAuto
+	cfg.ModelSelectionMode = config.ModelSelectionModeAuto
+
+	current := Resolve(cfg, fakeDetector{locale: "fr-FR"})
+	if current.ModelID != model.ParakeetV3ModelID {
+		t.Fatalf("model id = %q, want %q", current.ModelID, model.ParakeetV3ModelID)
+	}
+	if current.Profile.BackendKind != model.BackendNemoTransducer {
+		t.Fatalf("backend = %q, want %q", current.Profile.BackendKind, model.BackendNemoTransducer)
+	}
+}
+
+func TestResolveAutoUsesJapaneseAndKoreanDefaults(t *testing.T) {
+	tests := []struct {
+		locale  string
+		modelID string
+	}{
+		{"ja-JP", model.JapaneseModelID},
+		{"ko-KR", model.KoreanModelID},
+	}
+	for _, tt := range tests {
+		cfg := config.Default()
+		cfg.LanguageMode = config.LanguageModeAuto
+		cfg.ModelSelectionMode = config.ModelSelectionModeAuto
+
+		current := Resolve(cfg, fakeDetector{locale: tt.locale})
+		if current.ModelID != tt.modelID {
+			t.Fatalf("%s model id = %q, want %q", tt.locale, current.ModelID, tt.modelID)
+		}
+		if current.Profile.BackendKind != model.BackendTransducer {
+			t.Fatalf("%s backend = %q, want %q", tt.locale, current.Profile.BackendKind, model.BackendTransducer)
+		}
+	}
+}
+
 func TestResolveOldConfigMissingSelectionModeUsesAuto(t *testing.T) {
 	cfg := config.Default()
 	cfg.LanguageMode = config.LanguageModeAuto
@@ -68,6 +105,9 @@
 }
 
 func TestResolveManualUsesQwen3ASRForChinese(t *testing.T) {
+	if !model.IsModelSupportedInCurrentBuild(model.Qwen3ASRModelID) {
+		t.Skip("qwen3-asr is disabled in this build")
+	}
 	cfg := config.Default()
 	cfg.LanguageMode = config.LanguageModeAuto
 	cfg.ModelSelectionMode = config.ModelSelectionModeManual
@@ -76,6 +116,48 @@
 	current := Resolve(cfg, fakeDetector{locale: "zh-CN"})
 	if current.ModelID != model.Qwen3ASRModelID {
 		t.Fatalf("model id = %q, want manual selected %q", current.ModelID, model.Qwen3ASRModelID)
+	}
+}
+
+func TestResolveManualQwen3ASRFallsBackWhenUnsupported(t *testing.T) {
+	if model.IsModelSupportedInCurrentBuild(model.Qwen3ASRModelID) {
+		t.Skip("qwen3-asr is supported in this build")
+	}
+	cfg := config.Default()
+	cfg.LanguageMode = config.LanguageModeAuto
+	cfg.ModelSelectionMode = config.ModelSelectionModeManual
+	cfg.SelectedModelID = model.Qwen3ASRModelID
+
+	current := Resolve(cfg, fakeDetector{locale: "zh-CN"})
+	if current.ModelID != model.DefaultModelID {
+		t.Fatalf("model id = %q, want fallback %q", current.ModelID, model.DefaultModelID)
+	}
+	if current.FallbackReason != "manual model not supported in current build" {
+		t.Fatalf("fallback reason = %q, want unsupported build reason", current.FallbackReason)
+	}
+}
+
+func TestResolveManualUsesXASRForChinese(t *testing.T) {
+	cfg := config.Default()
+	cfg.LanguageMode = config.LanguageModeAuto
+	cfg.ModelSelectionMode = config.ModelSelectionModeManual
+	cfg.SelectedModelID = model.XASRZhEn960ModelID
+
+	current := Resolve(cfg, fakeDetector{locale: "zh-CN"})
+	if current.ModelID != model.XASRZhEn960ModelID {
+		t.Fatalf("model id = %q, want manual selected %q", current.ModelID, model.XASRZhEn960ModelID)
+	}
+}
+
+func TestResolveManualUsesXASRForEnglish(t *testing.T) {
+	cfg := config.Default()
+	cfg.LanguageMode = config.LanguageModeAuto
+	cfg.ModelSelectionMode = config.ModelSelectionModeManual
+	cfg.SelectedModelID = model.XASRZhEn960ModelID
+
+	current := Resolve(cfg, fakeDetector{locale: "en-US"})
+	if current.ModelID != model.XASRZhEn960ModelID {
+		t.Fatalf("model id = %q, want manual selected %q", current.ModelID, model.XASRZhEn960ModelID)
 	}
 }
 
@@ -109,6 +191,21 @@
 	}
 }
 
+func TestResolveManualParakeetV3FallsBackForJapanese(t *testing.T) {
+	cfg := config.Default()
+	cfg.LanguageMode = config.LanguageModeAuto
+	cfg.ModelSelectionMode = config.ModelSelectionModeManual
+	cfg.SelectedModelID = model.ParakeetV3ModelID
+
+	current := Resolve(cfg, fakeDetector{locale: "ja-JP"})
+	if current.ModelID != model.JapaneseModelID {
+		t.Fatalf("model id = %q, want Japanese default %q", current.ModelID, model.JapaneseModelID)
+	}
+	if current.FallbackReason == "" {
+		t.Fatal("expected fallback reason")
+	}
+}
+
 func TestResolveInvalidManualFallsBackToLanguageDefault(t *testing.T) {
 	cfg := config.Default()
 	cfg.LanguageMode = config.LanguageModeAuto

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