Update: v9 results (7.9/10 quality), add kompress-small comparison

Update model card: v9 evals, architecture details, comparison with LLMLingua-2

v3: trained on 330K structured tool outputs (H100) — JSON, diffs, logs, code, SQL, agentic traces

v2: trained on 15K labels (3x more data) from agentic + function-calling + coding traces

Initial release: Kompress v1 — ModernBERT token compressor for agentic contexts