chore(conductor): Add new track 'AI Provider Caching Optimization'

conductor/tracks.md

@@ -76,6 +76,10 @@ This file tracks all major tracks for the project. Each track has its own detail
     *Link: [./tracks/zhipu_integration_20260308/](./tracks/zhipu_integration_20260308/)*
     *Goal: Add support for Zhipu AI (z.ai) as a first-class model provider (GLM-4, GLM-4-Flash, GLM-4V). Implement core client, vision support, and cost tracking.*
 
+14. [ ] **Track: AI Provider Caching Optimization**
+    *Link: [./tracks/caching_optimization_20260308/](./tracks/caching_optimization_20260308/)*
+    *Goal: Verify and optimize caching strategies across all providers. Implement 4-breakpoint hierarchy for Anthropic, prefix stabilization for OpenAI/DeepSeek, and hybrid explicit/implicit caching for Gemini. Add GUI hit rate metrics.*
+
 ---
 
 ## Phase 3: Future Horizons