v0.79.4

New Features

• Automatic first-run theme selection - pi detects the terminal background on first run and defaults to the dark or light theme. See Selecting a Theme.
• Standalone binary integrity checksums - GitHub release assets now include SHA256SUMS files for verifying standalone binary downloads. See Quickstart Install.

Added

• Added SHA256SUMS integrity files to standalone binary GitHub release assets (#5739).
• Added first-run interactive theme detection from the terminal background (#5385 by @vegarsti).

Fixed

• Fixed bash tool output collection to keep draining stdout/stderr after the child exits while descendants still write, avoiding truncated late output (#5753 by @Mearman).
• Fixed /tree help rendering to show compact wrapped controls instead of truncating them on narrow terminals (#5055).
• Fixed SIGTERM/SIGHUP interactive shutdown to keep signal handlers installed until terminal cleanup completes, preventing signal-exit from re-sending the signal and leaving the terminal in raw/Kitty keyboard mode (#5724).
• Fixed extensions documentation to clarify that pi.getActiveTools() returns active tool names while pi.getAllTools() returns tool metadata (#5729).
• Fixed question and questionnaire extension examples to wrap long prompt, option, and help text instead of truncating it (#5708 by @xl0).
• Fixed package commands such as pi list, pi install, and pi update to terminate after completing even if an extension leaves background handles open (#5687).
• Fixed pi update for pnpm global installs whose configured global-bin-dir no longer matches the active pnpm home (#5689).
• Fixed npm package specs that use ranges or tags (for example @^1.2.7) so installed package resources still load instead of being treated as mismatched exact pins (#5695).
• Fixed inherited Anthropic 1-hour prompt-cache write cost accounting to price 1-hour cache writes at 2x input instead of the 5-minute cache-write rate (#5738 by @theBucky).
• Fixed inherited GitHub Copilot Claude adaptive-thinking effort metadata to match manually checked Copilot model capabilities (#4637).
• Fixed inherited OpenCode/OpenCode Go completion model metadata to omit long-retention cache fields for routes that reject prompt_cache_retention (#5702).
• Fixed inherited overlay compositing over CJK wide characters so borders stay aligned when an overlay starts inside a full-width cell (#5297).
• Fixed inherited WezTerm inline Kitty image rendering during full redraw fallbacks so image padding rows are reserved before the placement is drawn without regressing tall-image placement (#5618, #4415).
• Fixed custom provider config so plain uppercase API key and header values remain literals instead of being treated as legacy environment references; use explicit $ENV_VAR syntax for environment variables (#5661).