call goose serve from tauri frontend via goose-acp client (#8549)

Co-authored-by: Jack Amadeo <jackamadeo@squareup.com>

ui/goose2/src-tauri/src/commands/acp.rs

@@ -5,7 +5,7 @@ use tauri::{AppHandle, State};
 
 use crate::services::acp::{
     make_composite_key, search_sessions_via_exports, AcpRunningSession, AcpService, AcpSessionInfo,
-    AcpSessionRegistry, GooseAcpManager, SessionSearchResult,
+    AcpSessionRegistry, GooseAcpManager, GooseServeProcess, SessionSearchResult,
 };
 
 const DEPRECATED_PROVIDER_IDS: &[&str] = &["claude-code", "codex", "gemini-cli"];
@@ -80,6 +80,13 @@ fn resolve_working_dir(
     })
 }
 
+#[tauri::command]
+pub async fn get_goose_serve_url() -> Result<String, String> {
+    GooseServeProcess::start().await?;
+    let process = GooseServeProcess::get()?;
+    Ok(process.ws_url())
+}
+
 /// Return the list of providers available through goose serve.
 #[tauri::command]
 pub async fn discover_acp_providers(

ui/goose2/src-tauri/src/lib.rs

@@ -49,6 +49,7 @@ pub fn run() {
             commands::agents::save_persona_avatar,
             commands::agents::save_persona_avatar_bytes,
             commands::agents::get_avatars_dir,
+            commands::acp::get_goose_serve_url,
             commands::acp::discover_acp_providers,
             commands::acp::acp_prepare_session,
             commands::acp::acp_set_model,

ui/goose2/src-tauri/src/services/acp/mod.rs

@@ -6,6 +6,7 @@ mod search;
 mod writer;
 
 pub(crate) use goose_serve::resolve_goose_binary;
+pub(crate) use goose_serve::GooseServeProcess;
 pub use manager::{AcpSessionInfo, GooseAcpManager};
 pub use registry::{AcpRunningSession, AcpSessionRegistry};
 pub use search::{search_sessions_via_exports, SessionSearchResult};