debugger support for dx (#3814)

* add vscode debugger for apps

* todo: need to disconnect when rebuilding

* update debugger

* add uri handler to remote launch the debugger

* attach

* dont panic

* fixed it - hung processes are not errors

* wip: android debugger

* clean it up a bit

* revert ios stdout/stderr

* wire up pid from ios

* use target family instead of target_arch

* fix android

* bring back softkill

* typo

packages/cli/src/serve/mod.rs

@@ -90,7 +90,11 @@ pub(crate) async fn serve_all(args: ServeArgs, tracer: &mut TraceController) ->
 
             // Run the server in the background
             // Waiting for updates here lets us tap into when clients are added/removed
-            ServeUpdate::NewConnection { id, aslr_reference } => {
+            ServeUpdate::NewConnection {
+                id,
+                aslr_reference,
+                pid,
+            } => {
                 devserver
                     .send_hotreload(builder.applied_hot_reload_changes(BuildId::CLIENT))
                     .await;
@@ -101,7 +105,7 @@ pub(crate) async fn serve_all(args: ServeArgs, tracer: &mut TraceController) ->
                         .await;
                 }
 
-                builder.client_connected(id, aslr_reference).await;
+                builder.client_connected(id, aslr_reference, pid).await;
             }
 
             // Received a message from the devtools server - currently we only use this for
@@ -173,6 +177,11 @@ pub(crate) async fn serve_all(args: ServeArgs, tracer: &mut TraceController) ->
                             tracing::error!("Application [{platform}] exited with error: {status}");
                         }
                     }
+                    BuilderUpdate::ProcessWaitFailed { err } => {
+                        tracing::warn!(
+                            "Failed to wait for process - maybe it's hung or being debugged?: {err}"
+                        );
+                    }
                 }
             }
 
@@ -202,6 +211,10 @@ pub(crate) async fn serve_all(args: ServeArgs, tracer: &mut TraceController) ->
                 )
             }
 
+            ServeUpdate::OpenDebugger { id } => {
+                builder.open_debugger(&devserver, id).await;
+            }
+
             ServeUpdate::Exit { error } => {
                 _ = builder.shutdown().await;
                 _ = devserver.shutdown().await;