fix(perplexity): remove deprecated perplexity sonar reasoning model

[waleedlatif1]

Summary

• remove deprecated perplexity sonar reasoning model

https://docs.perplexity.ai/getting-started/models

Type of Change

• Bug fix

Testing

Tested manually

Checklist

• Code follows project style guidelines
• Self-reviewed my changes
• Tests added/updated and passing
• No new warnings introduced
• I confirm that I have read and agree to the terms outlined in the Contributor License Agreement (CLA)

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1 Skipped Deployment

Project	Deployment	Review	Updated (UTC)
docs	Skipped		Dec 23, 2025 9:24pm

[greptile-apps]

Greptile Summary

This PR removes the deprecated sonar-reasoning model from the Perplexity block configuration. According to the Perplexity documentation, this model is no longer available.

Changes:

• Removed sonar-reasoning model option from the model dropdown in apps/sim/blocks/blocks/perplexity.ts:53
• The remaining models (sonar, sonar-pro, sonar-deep-research, sonar-reasoning-pro) are all valid and currently supported

Impact:

• Users will no longer be able to select the deprecated model from the UI
• Existing workflows using this model may fail when executed (but this would happen anyway since the model is deprecated by Perplexity)
• No other files or references to sonar-reasoning were found in the codebase

Confidence Score: 5/5

• This PR is safe to merge with minimal risk
• The change is straightforward and necessary - it removes a deprecated model option from a dropdown menu. The change is isolated to a single line in one configuration file, poses no breaking change risk for valid models, and aligns with the upstream Perplexity API documentation.
• No files require special attention

Important Files Changed

Filename	Overview
apps/sim/blocks/blocks/perplexity.ts	Removed deprecated sonar-reasoning model from the model dropdown options

Sequence Diagram

sequenceDiagram
    participant User
    participant PerplexityBlock
    participant ModelDropdown
    participant PerplexityAPI

    User->>PerplexityBlock: Configure block settings
    User->>ModelDropdown: Select model
    Note over ModelDropdown: sonar-reasoning removed<br/>Available: sonar, sonar-pro,<br/>sonar-deep-research,<br/>sonar-reasoning-pro
    ModelDropdown-->>User: Display available models
    User->>PerplexityBlock: Execute with selected model
    PerplexityBlock->>PerplexityAPI: Send request with valid model
    PerplexityAPI-->>PerplexityBlock: Return response
    PerplexityBlock-->>User: Display result

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