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pi-terminal-signals

v0.1.0

Published

Pi extension that communicates agent lifecycle to the terminal via OSC 9;4 (progress) and OSC 133 (semantic prompts).

Vulnerabilities

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Links

Git

Maintainers

lucasmeijerlucasmeijer

Keywords

pi-packagepipi-coding-agentextensionterminaloscprogressghosttyweztermiterm2kittysemantic-prompts

Readme

pi-terminal-signals

Let's pi send standard OSC escape sequences to inform the terminal it is running in of its status.

Ghostty will display a progress line at the top while pi is running the agent loop. Supacode, Supaterm and Conductor use it to display a spinner / finished icon on the worktree / agent tab.

Install

pi install npm:pi-terminal-signals

What it does

| Pi event | Escape sequence | Terminal effect | |---|---|---| | agent_start | OSC 9;4;3 | Tab shows indeterminate progress spinner | | agent_end | OSC 9;4;0 | Progress indicator clears | | agent_end | OSC 133;D;0 | "Command finished" — triggers completion notification |

OSC 9;4 — Progress indicator protocol (originated in ConEmu, adopted by Ghostty, WezTerm, Windows Terminal). State 3 is indeterminate (spinner), state 0 clears.

OSC 133 — Semantic prompt protocol (originated in FinalTerm, adopted by Ghostty, iTerm2, Kitty, WezTerm, VS Code terminal). Marker D;0 means "command finished successfully" — Ghostty uses this to fire a tab completion notification.