Add panel feature updates across API, daemon, and web

apps/daemon/src/docker/manager.rs

@@ -1,15 +1,50 @@
+use std::collections::HashMap;
+use std::pin::Pin;
+use std::sync::Arc;
+
 use anyhow::Result;
 use bollard::Docker;
 use bollard::network::CreateNetworkOptions;
+use tokio::io::{AsyncWrite, AsyncWriteExt};
+use tokio::sync::{Mutex, RwLock};
+use tokio::task::JoinHandle;
 use tracing::info;
 
 use crate::config::DockerConfig;
 
+type AttachedInput = Pin<Box<dyn AsyncWrite + Send>>;
+
+pub(crate) struct CommandStreamHandle {
+    input: Mutex<AttachedInput>,
+    drain_task: JoinHandle<()>,
+}
+
+impl CommandStreamHandle {
+    pub(crate) fn new(input: AttachedInput, drain_task: JoinHandle<()>) -> Self {
+        Self {
+            input: Mutex::new(input),
+            drain_task,
+        }
+    }
+
+    pub(crate) async fn write_all(&self, bytes: &[u8]) -> Result<()> {
+        let mut input = self.input.lock().await;
+        input.write_all(bytes).await?;
+        input.flush().await?;
+        Ok(())
+    }
+
+    pub(crate) fn abort(&self) {
+        self.drain_task.abort();
+    }
+}
+
 /// Manages the Docker client and network setup.
 #[derive(Clone)]
 pub struct DockerManager {
     client: Docker,
     network_name: String,
+    command_streams: Arc<RwLock<HashMap<String, Arc<CommandStreamHandle>>>>,
 }
 
 impl DockerManager {
@@ -30,6 +65,7 @@ impl DockerManager {
         let manager = Self {
             client,
             network_name: config.network.clone(),
+            command_streams: Arc::new(RwLock::new(HashMap::new())),
         };
 
         manager.ensure_network(&config.network_subnet).await?;
@@ -45,6 +81,10 @@ impl DockerManager {
         &self.network_name
     }
 
+    pub(crate) fn command_streams(&self) -> &Arc<RwLock<HashMap<String, Arc<CommandStreamHandle>>>> {
+        &self.command_streams
+    }
+
     async fn ensure_network(&self, subnet: &str) -> Result<()> {
         let networks = self.client.list_networks::<String>(None).await?;
         let exists = networks