huskies: merge 905

server/src/service/gateway/io.rs

@@ -108,6 +108,28 @@ pub async fn proxy_mcp_call(
         .map_err(|e| format!("failed to read response from {mcp_url}: {e}"))
 }
 
+/// Proxy an MCP `tools/call` request to the sled with `Accept: text/event-stream`
+/// and return the raw response for streaming.  No per-request timeout is applied
+/// so long-running tool calls (e.g. `run_tests`, up to 1200 s) are not cut short.
+///
+/// The caller reads `.bytes_stream()` from the returned response and re-emits
+/// each SSE `data:` line as a new event to the originating client.
+pub async fn proxy_mcp_call_sse(
+    client: &Client,
+    base_url: &str,
+    request_bytes: &[u8],
+) -> Result<reqwest::Response, String> {
+    let mcp_url = format!("{}/mcp", base_url.trim_end_matches('/'));
+    client
+        .post(&mcp_url)
+        .header("Content-Type", "application/json")
+        .header("Accept", "text/event-stream")
+        .body(request_bytes.to_vec())
+        .send()
+        .await
+        .map_err(|e| format!("failed to reach {mcp_url}: {e}"))
+}
+
 /// Fetch tools/list from a project's MCP endpoint.
 pub async fn fetch_tools_list(client: &Client, base_url: &str) -> Result<Value, String> {
     let mcp_url = format!("{}/mcp", base_url.trim_end_matches('/'));