Add FLAC audio quality analysis and spectrum visualization (#110)

Introduces backend support for analyzing FLAC audio files, including technical metrics and frequency spectrum extraction. Adds frontend components and hooks for file selection, analysis, and visualization, integrating a new Audio Quality Analyzer dialog into the UI. Updates types and dependencies to support audio analysis features.

go.mod

@@ -6,6 +6,7 @@ require (
 	github.com/go-flac/flacpicture v0.3.0
 	github.com/go-flac/flacvorbis v0.2.0
 	github.com/go-flac/go-flac v1.0.0
+	github.com/mewkiz/flac v1.0.13
 	github.com/wailsapp/wails/v2 v2.11.0
 )
 
@@ -15,6 +16,7 @@ require (
 	github.com/godbus/dbus/v5 v5.2.0 // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/gorilla/websocket v1.5.3 // indirect
+	github.com/icza/bitio v1.1.0 // indirect
 	github.com/jchv/go-winloader v0.0.0-20250406163304-c1995be93bd1 // indirect
 	github.com/labstack/echo/v4 v4.13.4 // indirect
 	github.com/labstack/gommon v0.4.2 // indirect
@@ -24,6 +26,8 @@ require (
 	github.com/leaanthony/u v1.1.1 // indirect
 	github.com/mattn/go-colorable v0.1.14 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/mewkiz/pkg v0.0.0-20250417130911-3f050ff8c56d // indirect
+	github.com/mewpkg/term v0.0.0-20241026122259-37a80af23985 // indirect
 	github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/rivo/uniseg v0.4.7 // indirect