[Partner Nodes] fix GrokVideoReferenceNode price badge

[bigcat88]

API Node PR Checklist

Scope

• Is API Node Change

Pricing & Billing

• Need pricing update
• No pricing update

If Need pricing update:

• Metronome rate cards updated
• Auto‑billing tests updated and passing

QA

• QA done
• QA not required

Comms

• Informed Kosinkadink

[coderabbitai]

📝 Walkthrough

Walkthrough

The Grok video reference node's price_badge expression was updated to retrieve reference-image values using the $lookup function instead of direct array indexing. This changes how the expression accesses reference-image counts from the input groups when computing the price badge value.

🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly identifies the specific fix: addressing a price badge issue in the GrokVideoReferenceNode, which matches the changeset's modification to the price_badge expression.
Description check	✅ Passed	The pull request description is related to the changeset, referencing a fix for the GrokVideoReferenceNode price badge via the PR title and objectives.

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