tree-sitter 4

Structural code intelligence for DeepSeek Harness — gives the agent codegraph and codegraph_index tools to find where a symbol is declared, what calls it, what a change reaches, and how one symbol reaches another, from a tree-sitter index it builds itself

Symbol-aware code outline and hybrid code search for DeepSeek Harness.

Real-time code feedback for DeepSeek Harness — LSP, linters, formatters, type-checking, and structural analysis.

Semantic repo index for DeepSeek Harness — tree-sitter symbol index, code search, and a bounded ranked repo map injected into agent context.