Publish AEON baseline vs Shiftedx Agent Harness results

Fix immutable provenance flags for Shiftedx Bench v0.5.1

Release Shiftedx Bench v0.5.0 with Shiftedx Agent Harness

Record immutable benchmark revision in run manifests

v0.3.0: add post-publish model-card qualification

v0.2.1: make 128K the default quant-gate ceiling

Add v0.2.0 lightweight full-window quant gate

Publish Shiftedx Bench v0.1.0