feat: update requirements.txt to include CLAP and FST dependencies

requirements.txt

@@ -24,16 +24,24 @@ soundfile>=0.12.1
 audioread>=3.0.1
 resampy>=0.4.2
 
+# === CLAP Embeddings (Layer 2 - optional, CPU) ===
+# laion-clap requires torch; install torch CPU first
+laion-clap>=1.1.4
+
 # === Data Processing ===
 numpy>=1.26.3
 pandas>=2.1.4
 scipy>=1.11.4
+scikit-learn>=1.3.2
 
 # === API & Web ===
 aiohttp>=3.9.1
 httpx>=0.26.0
 requests>=2.31.0
 
+# === Gradio Client (FST Layer 3 - external API) ===
+gradio_client>=1.0.0
+
 # === Utilities ===
 python-dotenv>=1.0.0
 pyyaml>=6.0.1