Fix arousal groupings per @dejanseo feedback: revised emotion categories, added threshold check for unclear axes

SEO: add multilingual tags, model-index metrics, thumbnail, expand search coverage

Add metadata tags for discoverability

Sanitize: remove internal codenames

Add data/emotion_stories.jsonl

Add requirements.txt

Add results/THREADS_DATA.md

Add results/fig4_scale_comparison.png

Add results/fig3_logit_lens.png

Add results/fig2_cosine_heatmap.png

Add results/fig1_pca_scatter.png

Add results/emotion_vectors.npz

Add results/experiment_results.json

Add generate_stories.py

Add analyze_vectors.py

Add extract_vectors.py

Add README.md

initial commit