[JacobStephens2]

Summary

0.10.0 brings thirdshift from two Harnesses to six. Alongside Claude Code and Codex, a Command can now run on Antigravity CLI (agy), Grok Build (grok), Muse Code (muse) or OpenCode (opencode). You choose it on the command line, in User config or in Setup (#442).

• New Harnesses:
  • harness agy and [harness.agy] run a Command on Google Antigravity CLI (Add the agy Harness (Antigravity CLI) #445).
  • harness grok runs on Grok Build (Add the Grok Build Harness #446).
  • harness muse runs on Muse Code, and Setup proposes muse-spark-1.3 (Add Muse Code Harness #444).
  • harness opencode runs on OpenCode with the user's provider Model and Effort (Add the OpenCode Harness #447).
  • Each checks Model and Effort before any work and supports Resume. Each reports progress, final reply and usage. Unattended flags and trust follow ADR 0013. Claude and Codex now sit behind the same Harness adapter interface, with existing behaviour preserved (Gather Claude and Codex into Harness adapters #441).
• Setup lists only installed Harnesses, instead of marking absent CLIs (not installed) (Add the agy Harness (Antigravity CLI) #445, Add Muse Code Harness #444, Add the Grok Build Harness #446).
• Interrupting a Command stops each session's whole process tree on every Harness. This includes commands that started their own process group or session, and commands started during the stop grace period (Stop every Harness session process tree on interruption #443). Live sessions stay interruptible after the CLI exits, and unread prompts can't block supervision (Unify Harness process lifetimes and preserve interruption #449).
• Model/Effort checks are interruptible and stop before any Claim, worktree or Command log is created. Cancelling terminal Setup exits 1 with interrupted, restores terminal attributes and leaves User config and Credentials unchanged (Own all Model/Effort checks and make Setup interruptible #453).
• Setup's User config edits preserve spelling, comments, order and unasked settings. Enabling notifications places the recipient example correctly, and quoted email headers keep one example (Prepare User config documents behind one validated interface #451).

Also: docs and research updates, including a 20-second head start for Pickup runs in the combined crontab (#426, #430).

Version diff

diff --git a/Cargo.lock b/Cargo.lock
index 9bf359a..327e3fa 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1469,3 +1469,3 @@ dependencies = [
 name = "thirdshift"
-version = "0.9.0"
+version = "0.10.0"
 dependencies = [
diff --git a/Cargo.toml b/Cargo.toml
index 58d8fed..4c169c1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,3 +2,3 @@
 name = "thirdshift"
-version = "0.9.0"
+version = "0.10.0"
 edition = "2024"

[JacobStephens2]

Superseded: cutting 0.10.0 fresh from current main.