Phase 1 Week 3: ChatClient Model Configuration Tests (5 tests)

[v1truv1us]

Test Category: Model Configuration

Overview

Implement comprehensive model configuration tests for the ChatClient struct to ensure proper handling of LLM model selection, configuration, and parameter management.

Tests to Implement

1. test_model_select - Select active LLM model
2. test_model_config - Configure model parameters
3. test_model_validate - Validate model configurations
4. test_model_fallback - Handle model fallback scenarios
5. test_model_context - Manage context window and parameters

Acceptance Criteria

• All 5 tests implemented in src-tauri/src/chat_client.rs
• Tests verify model selection logic
• Tests verify configuration validation
• Tests verify fallback mechanisms
• 100% test pass rate
• Code coverage ≥ 85%

Related

Part of Phase 1 Week 3: ChatClient Integration Tests (31 total tests)
Depends on: Phase 1 Week 2 (ConnectionManager tests)