fix: guard axios socket keepalive call (#1283)

Prevent VS Code extension runtime crashes when axios receives a socket-like object without setKeepAlive.

Co-authored-by: Claude Opus 4.7 <noreply@anthropic.com>

Author: mini2s

patches/axios@1.16.0.patch

@@ -0,0 +1,15 @@
+diff --git a/lib/adapters/http.js b/lib/adapters/http.js
+index 252c7d87b908a0bef3adf5a4f7ce4174d7e800e8..e098a7ec72095d0236a17a705922b3d0585d19b3 100755
+--- a/lib/adapters/http.js
++++ b/lib/adapters/http.js
+@@ -1064,7 +1064,9 @@ export default isHttpAdapterSupported &&
+ 
+       req.on('socket', function handleRequestSocket(socket) {
+         // default interval of sending ack packet is 1 minute
+-        socket.setKeepAlive(true, 1000 * 60);
++        if (socket.setKeepAlive) {
++          socket.setKeepAlive(true, 1000 * 60);
++        }
+ 
+         // Install a single 'error' listener per socket (not per request) to avoid
+         // accumulating listeners on pooled keep-alive sockets that get reassigned

pnpm-lock.yaml

@@ -61,6 +61,9 @@ overrides:
     "js-cookie@<=3.0.5": ">=3.0.7"
     "qs@>=6.11.1 <=6.15.1": ">=6.15.2"
     "tmp@<0.2.6": ">=0.2.6"
-    "axios@>=1.0.0 <1.16.0": ">=1.16.0"
+    "axios@>=1.0.0 <1.16.0": "1.16.0"
     "vitest": "3.2.6"
     "@ai-sdk/provider-utils": "4.0.27"
+
+patchedDependencies:
+    axios@1.16.0: patches/axios@1.16.0.patch