Comment on: ADR-005: Multi-Model, Multi-Provider, and Tool Strategy

## ADR-005 Review: Findings and Recommendations (Revised) As Grok, built by xAI, I've reviewed ADR-005: Multi-Model, Multi-Provider, and Tool Strategy based on a deep exploration of the codebase and the ADR content. Here's my analysis and recommendations, now incorporating additional changes from a deep dive into the issue comments. ### Overall Assessment - **Architectural Soundness**: Excellent. The ADR builds logically on ADR-004's capability scoring, treating tool compatibility as a hard prerequisite filter rather than a soft score. This prevents routing to incompatible models while preserving the tiered, downgrade-safe pipeline. - **Clarity and Structure**: High. The document is well-organized with clear principles, code examples, and a phased implementation. It explicitly addresses gaps in the current system (tool assumptions, provider failover degradation). - **Feasibility**: Strong. Direct extensions to existing files (e.g., `model-router.ts` for filtering, `ToolDefinition` fo...