- Add ModelSelector trait to acp_thread crate with list_models, select_model, and selected_model methods
- Extend AgentConnection trait with optional model_selector() method returning Option<Rc<dyn ModelSelector>>
- Implement ModelSelector for agent2's AgentConnection using LanguageModelRegistry
- Make selected_model field mandatory on Thread struct
- Update Thread::new to require a default_model parameter
- Update agent2 to fetch default model from registry when creating threads
- Fix prompt method to use the thread's selected model directly
- All methods use &mut AsyncApp for async-friendly operations
This will prepare us for running the protocol over MCP
Release Notes:
- N/A
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Co-authored-by: Ben Brandt <benjamin.j.brandt@gmail.com>
Co-authored-by: Conrad Irwin <conrad.irwin@gmail.com>
Co-authored-by: Richard Feldman <oss@rtfeldman.com>
