# Documentation
## Purpose
Technical documentation for the `process_tools` crate: subprocess execution, output capture, exit status synthesis, and process lifecycle management.
## Responsibility Table
| `feature/` | Functional capabilities: what the crate does and why |
| `api/` | Public API surface: types, functions, builders, return types |
| `invariant/` | Behavioral contracts and platform guarantees |
| `entities.md` | Master index of doc entity types and doc instances |
| `doc_graph.yml` | Cross-reference connectivity graph between doc instances |