chore(api-nodes): increase default timeout for partner API node tasks

[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

This pull request consolidates polling timeout configuration across video and image generation API integrations. The core polling functions in util/client.py increase their default max_poll_attempts parameter from 160 to 480. Correspondingly, explicit max_poll_attempts overrides are removed from individual node implementations across multiple providers (ByteDance, HitPaw, Kling, Magnific, Topaz, ViDu, Wan, and WaveSpeed), allowing them to inherit the new default. The ViDu module also updates its internal execute_task helper default from 320 to 480.

🚥 Pre-merge checks | ✅ 3 | ❌ 2

❌ Failed checks (1 warning, 1 inconclusive)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 25.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.
Description check	❓ Inconclusive	The PR description provided is a template checklist with minimal actual content. It does not describe the changeset or explain why the polling timeout is being increased.	Add a meaningful description explaining the rationale for increasing the default polling timeout from 160 to 480, and clarify which API nodes are affected by this change.

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and specifically describes the main change: increasing default timeout for partner API node tasks.
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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