[Partner Nodes] feat(Kling): add support for Kling V3-Turbo model

[bigcat88]

New model that is much faster then original V3. Also cheaper and quality is not worse.

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 pull request extends KlingVideoNode in comfy_api_nodes/nodes_kling.py with Kling 3.0 Turbo support. New imports bring in Turbo-specific API request, response, and settings types. Three new module-level functions are added: build_turbo_shot_prompt assembles a storyboard string from multi-prompt entries, _turbo_video_url extracts the first video URL from a Turbo query response, and execute_kling_turbo creates and polls either a text-to-video or image-to-video Turbo task depending on whether a start frame is supplied. The node's UI schema gains kling-3.0-turbo as a model option with associated resolution and aspect ratio inputs, and the generate_audio tooltip is updated to note it is ignored for Turbo. The pricing badge gains a Turbo branch with resolution-based rates and adds model to its widget dependency list. KlingVideoNode.execute() routes to the Turbo flow when the selected model is kling-3.0-turbo.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately describes the main change: adding support for Kling V3-Turbo model, which is the primary objective of this PR.
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.
Description check	✅ Passed	The pull request description clearly relates to the changeset, detailing the addition of Kling V3-Turbo model support with notes on performance and cost improvements.

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