Publish harness and TUI open-source

initial sync from the monorepo

crates/codegen/xai-grok-shell/changelogs/0.2.39.md

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+# 0.2.39
+
+## Features
+
+- **run_terminal_cmd** can stream live stdout/stderr chunks when the workspace flag is enabled.
+- **/session-info** now displays the current turn index.
+- Server-synced and bundled skills are now discovered from launcher-injected directories.
+- **Background `&` operator** is now allowed by default in terminal commands.
+
+## Bug Fixes
+
+- **Resumed subagents** no longer loop forever during auto-compaction on large context windows.
+- **Background task** descriptions and & rejection messages now correctly name the real parameters.
+- **Doom-loop detection** no longer falsely triggers on distinct failing tool calls.
+