Run chats independently

src/app/projects.rs

@@ -30,6 +30,7 @@ impl App {
         self.a2ui_image_requests.insert(url.clone());
         self.a2ui_image_loading = true;
         let request_url = url.clone();
+        let session_id = self.selected_session;
         Task::perform(
             async move {
                 let mut response = ureq::get(&request_url)
@@ -48,7 +49,7 @@ impl App {
                     .read_to_vec()
                     .map_err(|error| error.to_string())
             },
-            move |result| Message::A2uiImageLoaded(url, result),
+            move |result| Message::A2uiImageLoaded(session_id, url, result),
         )
     }
 
@@ -159,17 +160,11 @@ impl App {
     /// Opens an unsaved session on a project and selects it. Nothing reaches the
     /// database until the first chat turn is stored by [`App::persist_session`].
     pub(super) fn create_session(&mut self, project_id: i32) {
-        if self.generating {
-            self.error = Some("Stop the active generation before creating a session.".into());
-            return;
-        }
         if self.database.is_none() {
             return;
         }
         #[cfg(target_os = "macos")]
-        self.stop_agent_jobs();
-        #[cfg(target_os = "macos")]
-        self.tool_cards.clear();
+        self.leave_current_chat();
         let title = draft_title(&self.projects, project_id);
         self.drafts.entry(project_id).or_insert(title);
         self.remember_project(project_id);