Add FLAC analysis scripts for click detection

- detect_clicks.sh: Batch analysis of all cached FLAC files
- analyze_flac.sh: Detailed analysis of a single FLAC file

These tools help verify audio quality and detect encoding issues
like clicks caused by buffer underruns.

analyze_flac.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+# Affiche toutes les stats d'un fichier FLAC
+
+if [ $# -eq 0 ]; then
+    echo "Usage: $0 <fichier.flac>"
+    exit 1
+fi
+
+FILE="$1"
+
+if [ ! -f "$FILE" ]; then
+    echo "Error: File not found: $FILE"
+    exit 1
+fi
+
+echo "=== Analyzing: $(basename "$FILE") ==="
+echo ""
+echo "--- SoX Statistics ---"
+sox "$FILE" -n stat 2>&1
+
+echo ""
+echo "--- File Info ---"
+file "$FILE"
+
+echo ""
+echo "--- FLAC Metadata ---"
+metaflac --list "$FILE" 2>/dev/null || echo "metaflac not installed"
+
+echo ""
+echo "--- Audio Integrity Check ---"
+flac -t "$FILE" 2>&1 || echo "flac not installed"