Source Code Map

Source code map

Main Python script

Area	Actual code
Environment	Imports, SEED, CUDA/BF16/FP16 detection
Dataset	RAW_DATA, LABEL_NAMES, label mappings and stratified split
Preprocessing	tokenize_function, DatasetDict.map, DataCollatorWithPadding
Training helpers	compute_metrics, create_training_arguments, create_trainer
Full experiment	AutoModelForSequenceClassification, Trainer.train, evaluation and save
Inference	classify_query plus five example support tickets
Frozen experiment	Second pretrained model, requires_grad=False on encoder, separate Trainer

The original source script and notebook are intentionally left unchanged in the complete package. original/README.md retains the previously uploaded README for provenance.

Mermaid diagrams

Editable .mmd files live under docs/mermaid in the code repository. The relevant code blocks are embedded in this Wiki's HLD, LLD, and topic pages so GitHub renders them without external asset hosting.