huskies: merge 768

server/src/service/gateway/io.rs

@@ -221,10 +221,20 @@ pub async fn fetch_pipeline_status_for_project(
         .map_err(|e| format!("invalid upstream response: {e}"))
 }
 
-/// Check health of a single project URL.
+/// Check health of a single project URL via the read-RPC `health.check` method.
+///
+/// Sends an RPC request to the project's `/mcp` endpoint.  A successful
+/// response (HTTP 2xx) indicates the project container is reachable and
+/// serving requests.
 pub async fn check_project_health(client: &Client, base_url: &str) -> Result<bool, String> {
-    let health_url = format!("{}/health", base_url.trim_end_matches('/'));
-    match client.get(&health_url).send().await {
+    let mcp_url = format!("{}/mcp", base_url.trim_end_matches('/'));
+    let rpc_body = json!({
+        "jsonrpc": "2.0",
+        "id": 1,
+        "method": "tools/list",
+        "params": {}
+    });
+    match client.post(&mcp_url).json(&rpc_body).send().await {
         Ok(resp) => Ok(resp.status().is_success()),
         Err(e) => Err(format!("unreachable: {e}")),
     }