Publish harness and TUI open-source

initial sync from the monorepo

crates/codegen/xai-acp-lib/Cargo.toml

@@ -0,0 +1,18 @@
+[package]
+license = "Apache-2.0"
+name = "xai-acp-lib"
+version = "0.1.0"
+edition.workspace = true
+
+[dependencies]
+agent-client-protocol = { workspace = true, features = ["unstable"] }
+async-trait = { workspace = true }
+derive_more = { workspace = true }
+futures = { workspace = true }
+serde.workspace = true
+tokio = { workspace = true }
+tracing = { workspace = true }
+serde_json.workspace = true
+
+[lints]
+workspace = true