Crate ttop 

ttop v2: Terminal Top - Sovereign AI Stack System Monitor

Built on presentar-terminal (no ratatui dependency). Zero-allocation steady-state rendering via CellBuffer + DiffRenderer.

Architecture

ttop binary
  └── presentar-terminal::ptop (panels, app, ui)
        └── presentar-terminal::direct (CellBuffer, DiffRenderer)
              └── crossterm (terminal I/O)

Sovereign Stack

All rendering is PAIML-owned. The only external terminal dependency is crossterm. Contracts enforced via provable-contracts YAML definitions in contracts/.

Modules

ui

UI layout and rendering for ptop.

Structs

App

CellBuffer

Buffer of terminal cells with dirty tracking.

DiffRenderer

Differential renderer that minimizes terminal I/O.

MetricsSnapshot

Metrics snapshot sent from background collector to main thread. Contains only the data needed for rendering - no heavy objects.

PtopConfig

Main ptop configuration

Enums

ColorMode

Terminal color capability mode.

PanelType

Panel types that can be configured