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health

Run /health (or /doctor) to print a diagnostic overview of the current session. The output renders inline as a tree-style layout covering seven sections:

SectionWhat it shows
SessionID, file, name, CWD, branch/entry counts
ModelProvider, ID, context window, max output, reasoning, thinking level, input modalities
ContextToken usage with percentage, OK / Warning / Critical status
ToolsActive vs total count, active tool names
CommandsRegistered count with per-source breakdown
ExtensionsActive theme name
EnvironmentTallow version, framework version, Node version, platform, home and package directories
CommandDescription
/healthShow session diagnostics
/doctorAlias for /health

Session health diagnostics showing session, model, context, tools, commands, extensions, and environment sections

The output adapts to terminal width:

  • < 80 columns — single column, sections stacked vertically
  • 80–159 columns — two columns side-by-side
  • ≥ 160 columns — three columns

Long values (e.g. tool lists) are truncated with to prevent overflow.

StatusCondition
OK≤ 50% context used
Warning51–80%
Critical> 80%