Publish harness and TUI open-source

initial sync from the monorepo

crates/codegen/xai-grok-shell/changelogs/0.2.46.md

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+# 0.2.46
+
+## Features
+
+- **Mermaid flowcharts** now render with fewer avoidable edge crossings.
+
+## Bug Fixes
+
+- **Fixed `grok --resume`** failing on empty image-only session folders left by cross-directory pastes.
+- **Fixed pasted images** and relative paths using the wrong directory after cross-cwd resume.
+- **Fixed Mermaid flowcharts** that silently rendered wrong diagrams for & groups, circle/cross endings and self-loops.
+- **Fixed zsh tab-completion** for subcommands after the optional prompt argument was added.
+- **Fixed "unknown session id" errors** after the leader process crashed or was killed.
+- **Fixed repeated auto-compaction attempts** when the session is credit-blocked or auth is non-refreshable.
+
+## Performance
+
+- **Parallel tool calls** on the same path (multiple greps etc.) now execute concurrently.
+