feat(companion): version chip at the hub menu's foot

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Android/app/src/main/java/com/archipelago/app/ui/components/NESMenu.kt

@@ -229,6 +229,26 @@ private fun MenuPanel(
                 }
                 // Dark/Classic style lives on the remote/keyboard screen next to
                 // the settings button — not here.
+
+                // Small version chip at the hub's foot — the one place a
+                // connected user can always check what build they're on.
+                val hubContext = LocalContext.current
+                val versionLabel = remember {
+                    runCatching {
+                        hubContext.packageManager
+                            .getPackageInfo(hubContext.packageName, 0).versionName
+                    }.getOrNull()?.let { "Companion v$it" } ?: ""
+                }
+                if (versionLabel.isNotEmpty()) {
+                    Text(
+                        versionLabel,
+                        color = TextMuted.copy(alpha = 0.6f),
+                        fontSize = 11.sp,
+                        letterSpacing = 1.sp,
+                        textAlign = TextAlign.Center,
+                        modifier = Modifier.fillMaxWidth().padding(top = 6.dp),
+                    )
+                }
             }
 
             HubPage.NODES -> {