Publish harness and TUI open-source

initial sync from the monorepo

crates/codegen/xai-prompt-queue/Cargo.toml

@@ -0,0 +1,15 @@
+[package]
+edition.workspace = true
+license = "Apache-2.0"
+name = "xai-prompt-queue"
+version = "0.1.0"
+description = "Shared prompt-queue wire types for xai-grok-shell and xai-grok-pager"
+
+[dependencies]
+serde = { workspace = true, features = ["derive"] }
+
+[dev-dependencies]
+serde_json = { workspace = true }
+
+[lints]
+workspace = true