Return TypeScript syntactic and semantic diagnostics for a single file using project-aware configuration.

Resolve the definition locations for a symbol at a 1-based line and column in a file.

Resolve project-aware definition and usage references for the symbol at a 1-based line and column in a file.

Return symbol kind, display text, declaration location, and project metadata for a 1-based source position.

Inspect a local root path and return workspace files, monorepo packages, tsconfig files, and package classification hints.

Inspect a local root path and return frontend-oriented context such as entrypoints, routing surfaces, config files, and framework hints.

Invalidate cached TypeScript project state and reload it from tsconfig.