Surface the Skill Value dashboard

[AbhitejJohn]

Summary

• replace the duplicate README dashboard link with a focused TIP callout
• link CI evaluation guidance to historical per-skill results

Validation

• npx --no-install markdownlint-cli2 README.md CONTRIBUTING.md
• git diff --check

[Copilot]

Copilot review overview

Review tier: Lite
Findings: None

What changed in this PR

This PR updates repository documentation to make the Skill Value dashboard more discoverable and to connect CI evaluation guidance to historical, per-skill results.

Changes:

• Replaces the README’s redundant dashboard link with a focused TIP callout describing what the dashboard shows.
• Adds a reference in CONTRIBUTING’s CI evaluation section pointing readers to historical skill results on the dashboard.

File	Description
README.md	Replaces the prior dashboard link line with a TIP callout that explains the dashboard’s “skill value” metrics.
CONTRIBUTING.md	Adds a brief link to the dashboard for historical per-skill results in the CI evaluation guidance section.

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[github-actions]

✅ Evaluation passed for 6d96a6e. cc @webreidi @AbhitejJohn — please review.

[Evangelink]

The dashboard callouts are clear and consistent with the implemented Skill Value views, including activation, token/time deltas, not-passed rates, and executor/judge model filters. The links and surrounding evaluation guidance are accurate. No blocking or actionable issues found.