Correct the model card from the pre-outreach audit (GitHub 6a7de8c)

Keep MODEL_CARD.md in step with the repo copy

Same spine as the site: what we did, observed, conclude

Sync corrected model card, ridge baseline and architecture diagram

Sync corrected model card, ridge baseline and architecture diagram

Sync corrected model card, ridge baseline and architecture diagram

Publish measured results, bundled benchmark and defect audit

Publish measured results, bundled benchmark and defect audit

Publish measured results, bundled benchmark and defect audit

docs: clarify weaker-param R² reflects data-physics ceiling, not architecture gap

Add Run 4 best.pt (Phase 4 epoch 30, 545 MB)

Add config.json

Add model card

initial commit