Integrate platform failures into our data model

crates/tower-runtime/src/auto_cleanup.rs

@@ -113,7 +113,7 @@ mod tests {
         }
 
         async fn status(&self) -> Result<Status, Error> {
-            Ok(*self.status.lock().await)
+            Ok(self.status.lock().await.clone())
         }
     }
 

crates/tower-runtime/src/lib.rs

@@ -37,18 +37,26 @@ pub struct Output {
     pub line: String,
 }
 
-#[derive(Copy, Clone, Debug, PartialEq)]
+#[derive(Clone, Debug, PartialEq)]
 pub enum Status {
     None,
     Running,
     Exited,
-    Crashed { code: i32 },
+    Crashed {
+        code: i32,
+    },
+    /// A platform-level failure (not the user's app). For example, pod scheduling
+    /// failures, image pull errors, or other infrastructure issues.
+    Failed {
+        error_code: Option<String>,
+        error_message: Option<String>,
+    },
 }
 
 impl Status {
     /// Returns true if this status represents a terminal state (run is finished)
     pub fn is_terminal(&self) -> bool {
-        matches!(self, Status::Exited | Status::Crashed { .. })
+        matches!(self, Status::Exited | Status::Crashed { .. } | Status::Failed { .. })
     }
 }
 

crates/tower-runtime/src/local.rs

@@ -368,7 +368,7 @@ impl App for LocalApp {
     async fn status(&self) -> Result<Status, Error> {
         let mut status = self.status.lock().await;
 
-        if let Some(status) = *status {
+        if let Some(status) = status.clone() {
             Ok(status)
         } else {
             let mut waiter = self.waiter.lock().await;
@@ -384,7 +384,7 @@ impl App for LocalApp {
                         Ok(Status::Exited)
                     } else {
                         let next_status = Status::Crashed { code: t };
-                        *status = Some(next_status);
+                        *status = Some(next_status.clone());
                         Ok(next_status)
                     }
                 }

crates/tower-runtime/tests/local_test.rs

@@ -373,5 +373,8 @@ async fn test_abort_on_dependency_installation_failure() {
         Status::None => {
             panic!("App should have a status");
         }
+        Status::Failed { .. } => {
+            panic!("App should have crashed, not failed with a platform error");
+        }
     }
 }