Fix stopping one project killing all project terminal sessions

close_all_sessions() was called when stopping/removing/rebuilding a
project, which shut down exec sessions for every project. Track
container_id per session and use close_sessions_for_container() to
only close sessions belonging to the target project.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/src-tauri/src/commands/project_commands.rs

@@ -28,14 +28,12 @@ pub async fn remove_project(
     // Stop and remove container if it exists
     if let Some(project) = state.projects_store.get(&project_id) {
         if let Some(ref container_id) = project.container_id {
+            state.exec_manager.close_sessions_for_container(container_id).await;
             let _ = docker::stop_container(container_id).await;
             let _ = docker::remove_container(container_id).await;
         }
     }
 
-    // Close any exec sessions
-    state.exec_manager.close_all_sessions().await;
-
     state.projects_store.remove(&project_id)
 }
 
@@ -166,7 +164,7 @@ pub async fn stop_project_container(
         state.projects_store.update_status(&project_id, ProjectStatus::Stopping)?;
 
         // Close exec sessions for this project
-        state.exec_manager.close_all_sessions().await;
+        state.exec_manager.close_sessions_for_container(container_id).await;
 
         docker::stop_container(container_id).await?;
         state.projects_store.update_status(&project_id, ProjectStatus::Stopped)?;
@@ -187,7 +185,7 @@ pub async fn rebuild_project_container(
 
     // Remove existing container
     if let Some(ref container_id) = project.container_id {
-        state.exec_manager.close_all_sessions().await;
+        state.exec_manager.close_sessions_for_container(container_id).await;
         let _ = docker::stop_container(container_id).await;
         docker::remove_container(container_id).await?;
         state.projects_store.set_container_id(&project_id, None)?;

app/src-tauri/src/docker/exec.rs

@@ -9,6 +9,7 @@ use super::client::get_docker;
 
 pub struct ExecSession {
     pub exec_id: String,
+    pub container_id: String,
     pub input_tx: mpsc::UnboundedSender<Vec<u8>>,
     shutdown_tx: mpsc::Sender<()>,
 }
@@ -140,6 +141,7 @@ impl ExecSessionManager {
 
         let session = ExecSession {
             exec_id,
+            container_id: container_id.to_string(),
             input_tx,
             shutdown_tx,
         };
@@ -175,6 +177,20 @@ impl ExecSessionManager {
         }
     }
 
+    pub async fn close_sessions_for_container(&self, container_id: &str) {
+        let mut sessions = self.sessions.lock().await;
+        let ids_to_close: Vec<String> = sessions
+            .iter()
+            .filter(|(_, s)| s.container_id == container_id)
+            .map(|(id, _)| id.clone())
+            .collect();
+        for id in ids_to_close {
+            if let Some(session) = sessions.remove(&id) {
+                session.shutdown();
+            }
+        }
+    }
+
     pub async fn close_all_sessions(&self) {
         let mut sessions = self.sessions.lock().await;
         for (_, session) in sessions.drain() {