v2.0: Semantic TF-IDF Extension

This release adds the v6 semantic statement-text modeling extension.

Highlights:

• Adds cached statement text extraction
• Adds semantic TF-IDF cold-start experiments
• Adds v6 results summary generation
• Adds standalone v6 Markdown paper and PDF
• Updates README and website documentation
• Keeps v5 full API benchmark separate from the v6 ridge-based comparison setup

Main result:
TF-IDF alone is weak, but semantic statement text adds complementary cold-start signal when combined with metadata and lightweight statement-structure features.

v1.4: Final v5 project website and presentation polish

Final presentation polish for the v5 research project.

Highlights:

• Adds GitHub Pages project website
• Adds lightweight browser-side demo
• Adds reviewer-friendly project overview
• Keeps v5 research results, paper, README, and reviewer guide aligned
• Adds final fixed v5 paper artifacts
• Tests: 79 passed

v1.3: Final v5 research release

Final v5 research release.

Highlights:

• Adds statement text-light cold-start extension
• Adds fixed v5 English paper
• Adds reviewer guide
• Adds project overview diagram
• Adds GitHub Actions test workflow
• Adds MIT License
• Tests: 79 passed