Emotion detection PyTorch pipeline — 7 Steps

Classify 6 human psychological emotional states (Joy, Sadness, Anger, Fear, Love, Surprise) from informal text using a 2-layer PyTorch Bidirectional LSTM with CrossEntropyLoss.

1. 01 Data ingestion & EDA
2. 02 Preprocessing without leakage
3. 03 TensorDataset & DataLoader
4. 04 nn.Module architecture
5. 05 Loss function & optimizer
6. 06 Training loop & backprop
7. 07 Eval, metrics & checkpoint