Add ACP agent backend and terminal controls

Cargo.toml

@@ -28,6 +28,7 @@ publish = false
 
 [workspace.dependencies]
 # Local workspace crates. This lets us reference them in other crates without specifying a path.
+galaxy_acp = { path = "crates/acp" }
 ai = { path = "crates/ai" }
 app-installation-detection = { path = "crates/app-installation-detection" }
 asset_cache = { path = "crates/asset_cache" }
@@ -122,6 +123,7 @@ warpui_extras = { path = "crates/galaxyui_extras", package = "galaxyui_extras",
 # here to copying-and-pasting versions.
 axum = "0.8.4"
 anyhow = "1.0"
+agent-client-protocol = { version = "=2.0.0", default-features = false }
 arboard = { version = "3.6.1", default-features = false }
 arrayvec = "0.7.4"
 async-broadcast = "0.7.2"