Pin huggingface_hub for Gradio compatibility

Fix Spaces python_version metadata

Add changeformer checkpoint for HF Space

Fix HF Space metadata emoji

Deploy to hf saces

Add detailed model architecture and fine-tuning explanation

Add comprehensive EXPLANATION.md and update README with final results

Auto-detect checkpoints in Gradio app, no manual path needed

Fix UNet++ decoder call for newer SMP API (pass list not unpacked args)

Relax version pins for Colab Python 3.12 compatibility

Fix VRAM attribute name for PyTorch compatibility

Implement LEVIR-CD download and patch cropping pipeline

Add Colab setup script and comprehensive README

Implement inference pipeline and Gradio demo app

Implement full test-set evaluation with metrics, visualizations, and overlays

Implement full training loop and visualization utilities

Initial scaffolding for military base change detection project