fix: add involves edge from task to agent:nomos at creation

Plus sync vendor directory for Docker build compatibility.

vendor/github.com/coder/websocket/errors.go

@@ -0,0 +1,8 @@
+package websocket
+
+import (
+	"errors"
+)
+
+// ErrMessageTooBig is returned when a message exceeds the read limit.
+var ErrMessageTooBig = errors.New("websocket: message too big")