Module provider_chain 

Provider chain implementation for IDE features

This module implements the LSP-first provider priority chain:

1. External LSP Servers (rust-analyzer, typescript-language-server, pylsp, etc.)
2. Configured IDE Rules (YAML/JSON configuration)
3. Built-in Language Providers (Rust, TypeScript, Python)
4. Generic Text-based Features (fallback for any language)

Structs

ProviderChainManager

Provider chain manager that orchestrates the provider priority chain

ProviderRegistry

Provider registry for managing multiple providers