diff --git a/gadget-code/frontend/vite.config.ts b/gadget-code/frontend/vite.config.ts
index 285c81e..6c4af97 100644
--- a/gadget-code/frontend/vite.config.ts
+++ b/gadget-code/frontend/vite.config.ts
@@ -14,10 +14,17 @@ export default defineConfig({
   server: {
     port: 5174,
     host: '0.0.0.0',
-    https: {
-      key: fs.readFileSync(path.join(rootDir, 'ssl', 'code-dev.g4dge7.com.key')),
-      cert: fs.readFileSync(path.join(rootDir, 'ssl', 'code-dev.g4dge7.com.crt')),
-    },
+    https: (() => {
+      const keyPath = path.join(rootDir, 'ssl', 'code-dev.g4dge7.com.key');
+      const certPath = path.join(rootDir, 'ssl', 'code-dev.g4dge7.com.crt');
+      if (fs.existsSync(keyPath) && fs.existsSync(certPath)) {
+        return {
+          key: fs.readFileSync(keyPath),
+          cert: fs.readFileSync(certPath),
+        };
+      }
+      return undefined;
+    })(),
     hmr: {
       host: 'code-dev.g4dge7.com',
       port: 5174,
diff --git a/gadget-drone/src/gadget-drone.ts b/gadget-drone/src/gadget-drone.ts
index 267859f..9dbfc3b 100644
--- a/gadget-drone/src/gadget-drone.ts
+++ b/gadget-drone/src/gadget-drone.ts
@@ -268,8 +268,10 @@ class GadgetDrone extends GadgetProcess {
       /*
        * Handle socket reconnect: re-emit current drone status so the
        * platform knows the drone is still alive and available.
+       * NOTE: "reconnect" is a Manager-level event in Socket.IO v4,
+       * not a Socket-level event, so we listen on socket.io.
        */
-      this.socket.on("reconnect", (attemptNumber) => {
+      this.socket.io.on("reconnect", (attemptNumber: number) => {
         this.log.info("socket reconnected to platform", { attemptNumber });
         if (this.sessionLock) {
           this.socket?.emit("status", "session lock active (reconnected)");