docs(evidence): record Kimi v8 main CI

[cedRiC874]

Scope

• record PR docs(evidence): record PR #23 main CI #24/feat(eval-v2): add Kimi v8 diagnostic-only successor #25 regular-merge provenance and status checks
• freeze final main@b9054774 offline, pilot, and production checks
• mark Candidate v8 as merged while preserving its diagnostic-only, zero-call, non-authorizing boundary

Verification

• 608 root tests passed locally (1 Windows platform skip)
• Candidate v8 freeze verifier: valid, commitment b41269ac…1f9e962c, network_calls=0
• relative Markdown links, diff check, and sensitive-data scan passed
• exactly 3 paths: README.md, docs/EVIDENCE.md, and one new versioned evidence README

No code, candidate, contract, pack, workflow, dependency, historical evidence, Provider call, or Key access.