feat(protocol): Waiting state and WaitInfo on StatusDetail

crates/xy-protocol/src/rpc.rs

@@ -20,6 +20,15 @@ pub struct StatusDetail {
     #[serde(flatten)]
     pub summary: ServerSummary,
     pub recent_transitions: Vec<StateTransition>,
+    #[serde(default)]
+    pub wait_for: Option<WaitInfo>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct WaitInfo {
+    pub description: String,
+    pub elapsed_secs: u64,
+    pub timeout_secs: u64,
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize)]

crates/xy-protocol/src/state.rs

@@ -4,6 +4,7 @@ use serde::{Deserialize, Serialize};
 #[serde(rename_all = "kebab-case")]
 pub enum ServerState {
     Stopped,
+    Waiting,
     Starting,
     Running,
     Restarting,
@@ -28,4 +29,15 @@ mod tests {
         let s: ServerState = serde_json::from_str("\"failed\"").unwrap();
         assert_eq!(s, ServerState::Failed);
     }
+
+    #[test]
+    fn waiting_state_round_trips_as_json() {
+        let json = serde_json::to_string(&ServerState::Waiting).unwrap();
+
+        assert_eq!(json, "\"waiting\"");
+
+        let back: ServerState = serde_json::from_str(&json).unwrap();
+
+        assert_eq!(back, ServerState::Waiting);
+    }
 }