docs: nearest-files tab is a cosine-similarity recommender

docs: how-to-use walkthrough with screenshots, and where the plan panel's numbers come from

example rail: buttons labelled by attack type down the left side

add 13 unlabelled example PDFs (12 families + clean) with developer key

drop llama-cpp-python (unbuildable on Spaces); explain MiMo-over-Gemma choice

add App_Creation build-log notebook; fix README heading

runtime picker (gpu/cpu); shorter GPU grant to stretch the free ZeroGPU quota

label marker vs sweep regions; explain sweep parse failures; sweep toggle

dual runtime: @spaces.GPU 4-bit NF4 path (Part B config) + llama.cpp CPU fallback

pin gradio sdk_version 5.50.0; drop gradio from requirements

MiMo-7B PDF injection detector: CPU/GGUF runtime, verbatim Part A+B logic

initial commit