ax(node): replace prose comment with usage example on GetRemoteLogs

AX Principle 2 — comments must show HOW with real values, not restate
the signature in prose. "GetRemoteLogs requests console logs from a
remote miner" added zero information; replaced with a concrete call
showing peerID, minerName, lines, and result handling.

Co-Authored-By: Charon <charon@lethean.io>

pkg/node/controller.go

@@ -211,7 +211,8 @@ func (c *Controller) StopRemoteMiner(peerID, minerName string) error {
 	return nil
 }
 
-// GetRemoteLogs requests console logs from a remote miner.
+// lines, err := ctrl.GetRemoteLogs("abc123def456", "xmrig", 100)
+// if err == nil { log("last log:", lines[len(lines)-1]) }
 func (c *Controller) GetRemoteLogs(peerID, minerName string, lines int) ([]string, error) {
 	identity := c.node.GetIdentity()
 	if identity == nil {