From e50c01c0b3345eba37966d162279072d59605d40 Mon Sep 17 00:00:00 2001
From: Jean-Gabriel Gill-Couture <jg@nationtech.io>
Date: Wed, 2 Jul 2025 15:11:03 -0400
Subject: [PATCH] =?UTF-8?q?fix:=20Forgotten=20file=20=F0=9F=99=88?=
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---
 harmony/src/modules/application/feature.rs | 41 ++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 harmony/src/modules/application/feature.rs

diff --git a/harmony/src/modules/application/feature.rs b/harmony/src/modules/application/feature.rs
new file mode 100644
index 0000000..9c12553
--- /dev/null
+++ b/harmony/src/modules/application/feature.rs
@@ -0,0 +1,41 @@
+use async_trait::async_trait;
+use serde::Serialize;
+
+use crate::topology::Topology;
+/// An ApplicationFeature provided by harmony, such as Backups, Monitoring, MultisiteAvailability,
+/// ContinuousIntegration, ContinuousDelivery
+#[async_trait]
+pub trait ApplicationFeature<T: Topology>:
+    std::fmt::Debug + Send + Sync + ApplicationFeatureClone<T>
+{
+    async fn ensure_installed(&self, topology: &T) -> Result<(), String>;
+    fn name(&self) -> String;
+}
+
+trait ApplicationFeatureClone<T: Topology> {
+    fn clone_box(&self) -> Box<dyn ApplicationFeature<T>>;
+}
+
+impl<A, T: Topology> ApplicationFeatureClone<T> for A
+where
+    A: ApplicationFeature<T> + Clone + 'static,
+{
+    fn clone_box(&self) -> Box<dyn ApplicationFeature<T>> {
+        Box::new(self.clone())
+    }
+}
+
+impl<T: Topology> Serialize for Box<dyn ApplicationFeature<T>> {
+    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+    where
+        S: serde::Serializer,
+    {
+        todo!()
+    }
+}
+
+impl<T: Topology> Clone for Box<dyn ApplicationFeature<T>> {
+    fn clone(&self) -> Self {
+        self.clone_box()
+    }
+}