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Project	Deployment	Actions	Updated (UTC)
docs	Skipped		Feb 13, 2026 7:30pm

Greptile Overview

Greptile Summary

Fixed a bug where model dropdowns would default to claude-sonnet-4-5 even when the provider was disabled via permissions or access groups. The combobox component now validates the defaultValue against filtered options before applying it, falling back to the first available model if the default is unavailable.

• Centralized duplicated model options logic by extracting a shared getModelOptions() helper in blocks/utils.ts
• Replaced inline implementations across agent, evaluator, router, guardrails, and translate blocks
• Fixed Vertex AI provider to correctly prioritize request parameters over environment variables

Confidence Score: 5/5

• This PR is safe to merge with minimal risk
• The changes are well-structured refactoring with a clear bug fix. The validation logic correctly checks if the default value exists in filtered options before applying it. Code deduplication improves maintainability without changing behavior. The Vertex AI fix properly prioritizes request params over env vars, which is the expected behavior.
• No files require special attention

Important Files Changed

Sequence Diagram

sequenceDiagram
    participant User
    participant ComboBox
    participant getModelOptions
    participant ProviderStore
    participant PermissionConfig
    
    User->>ComboBox: Open model dropdown
    ComboBox->>getModelOptions: Get all available models
    getModelOptions->>ProviderStore: Fetch models from providers
    ProviderStore-->>getModelOptions: Return base, ollama, vllm, openrouter models
    getModelOptions-->>ComboBox: Return combined model list
    
    ComboBox->>PermissionConfig: Filter by allowed providers
    PermissionConfig-->>ComboBox: Return filtered options
    
    ComboBox->>ComboBox: Validate defaultValue against filtered options
    alt defaultValue exists in filtered options
        ComboBox->>User: Apply defaultValue
    else defaultValue not in filtered options
        ComboBox->>ComboBox: Fallback to first available model
        ComboBox->>User: Apply fallback model
    end

_{Last reviewed commit: 43d0295}