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+# Core dependencies
+pygame>=2.0.0
+beautifulsoup4>=4.9.0
+lxml>=4.6.0
+mutagen>=1.45.0
+pypdf
+mpv
+
+# Optional dependencies
+# piper-tts: Install separately with voice models to /usr/share/piper-voices/
+# ffmpeg: Install via system package manager for M4B/M4A support