Create requirements.txt

requirements.txt

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+# --- Core backend ---
+flask==3.0.3
+flask-cors==4.0.1
+
+# --- OpenAI API client ---
+openai>=1.42.0
+
+# --- NLP + Emotion analysis ---
+transformers>=4.43.0
+torch>=2.3.0
+sentencepiece
+huggingface-hub>=0.23.0
+
+# --- Voice synthesis (for multiple voices) ---
+gtts==2.5.1
+pydub==0.25.1
+
+# --- Utility + Environment ---
+python-dotenv==1.0.1
+requests>=2.31.0
+
+# --- Optional (for smoother caching on HF Spaces) ---
+hf-transfer>=0.1.6