新增: 音频可视化壁纸主题（WASAPI+FFT+Canvas）

config.go

@@ -33,6 +33,7 @@ const (
 	ThemeParticle ThemeName = "particles"
 	ThemeFractal  ThemeName = "fractal"
 	ThemeText     ThemeName = "text"
+	ThemeAudioViz ThemeName = "audio-viz"
 )
 
 type SavedColor struct {
@@ -74,6 +75,10 @@ type Config struct {
 	UpdateURL        string        `json:"updateUrl,omitempty"`
 	AutoCheckUpdate  bool          `json:"autoCheckUpdate"`
 	SkipVersion      string        `json:"skipVersion,omitempty"`
+	AudioVizStyle    string        `json:"audioVizStyle"`
+	AudioSensitivity float64       `json:"audioSensitivity"`
+	AudioSmoothing   float64       `json:"audioSmoothing"`
+	AudioColorScheme string        `json:"audioColorScheme"`
 }
 
 const defaultZodiac = "射手座"
@@ -116,11 +121,15 @@ func loadConfig() *Config {
 
 func defaultConfig() *Config {
 	return &Config{
-		Zodiac:        defaultZodiac,
-		WallpaperType: WPTheme,
-		Theme:         ThemeAurora,
-		Color1:        "#1a1a2e",
-		Color2:        "#16213e",
+		Zodiac:           defaultZodiac,
+		WallpaperType:    WPTheme,
+		Theme:            ThemeAurora,
+		Color1:           "#1a1a2e",
+		Color2:           "#16213e",
+		AudioVizStyle:    "bars",
+		AudioSensitivity: 1.5,
+		AudioSmoothing:   0.7,
+		AudioColorScheme: "neon",
 	}
 }