[Partner Nodes] feat(ByteDance): add support for SeeDance-2.0-Mini video model

[bigcat88]

Supersedes #14625

Adds Seedance 2.0 Mini to the Seedance 2.0 Text-to-Video, First-Last-Frame, and Reference nodes

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]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

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📥 Commits

Reviewing files that changed from the base of the PR and between b0ec198 and 2b52569.

⛔ Files ignored due to path filters (1)

• comfy_api_nodes/apis/bytedance.py is excluded by !comfy_api_nodes/apis/**

📒 Files selected for processing (1)

• comfy_api_nodes/nodes_bytedance.py

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📝 Walkthrough

Walkthrough

This PR adds Seedance 2.0 Mini support to the ByteDance Seedance 2.0 node variants. It adds the new model key to the shared Seedance model map, exposes the Mini option in the text-to-video, first/last frame, and reference schemas with 480p and 720p inputs, and updates each node’s price badge expression to include Mini pricing.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title matches the main change: adding Seedance 2.0 Mini support to ByteDance video nodes.
Description check	✅ Passed	The description clearly describes the added Seedance 2.0 Mini support and pricing update scope.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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