fix(config): use inherited stdio for opencode handoff

package.json

@@ -87,7 +87,7 @@
     "@push.rocks/smartpath": "^6.0.0",
     "@push.rocks/smartpromise": "^4.2.3",
     "@push.rocks/smartscaf": "^4.0.21",
-    "@push.rocks/smartshell": "^3.3.7",
+    "@push.rocks/smartshell": "^3.5.0",
     "@push.rocks/smartunique": "^3.0.9",
     "@push.rocks/smartupdate": "^2.0.6",
     "prettier": "^3.8.1"