fix: keep android canvas home visible after restart

apps/android/app/src/main/java/ai/openclaw/app/MainViewModel.kt

@@ -176,6 +176,10 @@ class MainViewModel(app: Application) : AndroidViewModel(app) {
     runtime.requestCanvasRehydrate(source = source, force = true)
   }
 
+  fun refreshHomeCanvasOverviewIfConnected() {
+    runtime.refreshHomeCanvasOverviewIfConnected()
+  }
+
   fun loadChat(sessionKey: String) {
     runtime.loadChat(sessionKey)
   }

apps/android/app/src/main/java/ai/openclaw/app/NodeRuntime.kt

@@ -33,6 +33,8 @@ import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.distinctUntilChanged
 import kotlinx.coroutines.launch
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.encodeToString
 import kotlinx.serialization.json.Json
 import kotlinx.serialization.json.JsonArray
 import kotlinx.serialization.json.JsonObject
@@ -210,7 +212,8 @@ class NodeRuntime(context: Context) {
   private val _isForeground = MutableStateFlow(true)
   val isForeground: StateFlow<Boolean> = _isForeground.asStateFlow()
 
-  private var lastAutoA2uiUrl: String? = null
+  private var gatewayDefaultAgentId: String? = null
+  private var gatewayAgents: List<GatewayAgentSummary> = emptyList()
   private var didAutoRequestCanvasRehydrate = false
   private val canvasRehydrateSeq = AtomicLong(0)
   private var operatorConnected = false
@@ -232,7 +235,7 @@ class NodeRuntime(context: Context) {
         updateStatus()
         micCapture.onGatewayConnectionChanged(true)
         scope.launch {
-          refreshBrandingFromGateway()
+          refreshHomeCanvasOverviewIfConnected()
           if (voiceReplySpeakerLazy.isInitialized()) {
             voiceReplySpeaker.refreshConfig()
           }
@@ -270,7 +273,7 @@ class NodeRuntime(context: Context) {
         _canvasRehydratePending.value = false
         _canvasRehydrateErrorText.value = null
         updateStatus()
-        maybeNavigateToA2uiOnConnect()
+        showLocalCanvasOnConnect()
       },
       onDisconnected = { message ->
         _nodeConnected.value = false
@@ -396,6 +399,7 @@ class NodeRuntime(context: Context) {
     _mainSessionKey.value = trimmed
     talkMode.setMainSessionKey(trimmed)
     chat.applyMainSessionKey(trimmed)
+    updateHomeCanvasState()
   }
 
   private fun updateStatus() {
@@ -415,6 +419,7 @@ class NodeRuntime(context: Context) {
         operator.isNotBlank() && operator != "Offline" -> operator
         else -> node
       }
+    updateHomeCanvasState()
   }
 
   private fun resolveMainSessionKey(): String {
@@ -422,23 +427,31 @@ class NodeRuntime(context: Context) {
     return if (trimmed.isEmpty()) "main" else trimmed
   }
 
-  private fun maybeNavigateToA2uiOnConnect() {
-    val a2uiUrl = a2uiHandler.resolveA2uiHostUrl() ?: return
-    val current = canvas.currentUrl()?.trim().orEmpty()
-    if (current.isEmpty() || current == lastAutoA2uiUrl) {
-      lastAutoA2uiUrl = a2uiUrl
-      canvas.navigate(a2uiUrl)
-    }
-  }
-
-  private fun showLocalCanvasOnDisconnect() {
-    lastAutoA2uiUrl = null
+  private fun showLocalCanvasOnConnect() {
     _canvasA2uiHydrated.value = false
     _canvasRehydratePending.value = false
     _canvasRehydrateErrorText.value = null
     canvas.navigate("")
   }
 
+  private fun showLocalCanvasOnDisconnect() {
+    _canvasA2uiHydrated.value = false
+    _canvasRehydratePending.value = false
+    _canvasRehydrateErrorText.value = null
+    canvas.navigate("")
+  }
+
+  fun refreshHomeCanvasOverviewIfConnected() {
+    if (!operatorConnected) {
+      updateHomeCanvasState()
+      return
+    }
+    scope.launch {
+      refreshBrandingFromGateway()
+      refreshAgentsFromGateway()
+    }
+  }
+
   fun requestCanvasRehydrate(source: String = "manual", force: Boolean = true) {
     scope.launch {
       if (!_nodeConnected.value) {
@@ -602,6 +615,8 @@ class NodeRuntime(context: Context) {
           canvas.setDebugStatus(status, server ?: remote)
         }
     }
+
+    updateHomeCanvasState()
   }
 
   fun setForeground(value: Boolean) {
@@ -928,11 +943,177 @@ class NodeRuntime(context: Context) {
 
       val parsed = parseHexColorArgb(raw)
       _seamColorArgb.value = parsed ?: DEFAULT_SEAM_COLOR_ARGB
+      updateHomeCanvasState()
     } catch (_: Throwable) {
       // ignore
     }
   }
 
+  private suspend fun refreshAgentsFromGateway() {
+    if (!operatorConnected) return
+    try {
+      val res = operatorSession.request("agents.list", "{}")
+      val root = json.parseToJsonElement(res).asObjectOrNull() ?: return
+      val defaultAgentId = root["defaultId"].asStringOrNull()?.trim().orEmpty()
+      val mainKey = normalizeMainKey(root["mainKey"].asStringOrNull())
+      val agents =
+        (root["agents"] as? JsonArray)?.mapNotNull { item ->
+          val obj = item.asObjectOrNull() ?: return@mapNotNull null
+          val id = obj["id"].asStringOrNull()?.trim().orEmpty()
+          if (id.isEmpty()) return@mapNotNull null
+          val name = obj["name"].asStringOrNull()?.trim()
+          val emoji = obj["identity"].asObjectOrNull()?.get("emoji").asStringOrNull()?.trim()
+          GatewayAgentSummary(
+            id = id,
+            name = name?.takeIf { it.isNotEmpty() },
+            emoji = emoji?.takeIf { it.isNotEmpty() },
+          )
+        } ?: emptyList()
+
+      gatewayDefaultAgentId = defaultAgentId.ifEmpty { null }
+      gatewayAgents = agents
+      applyMainSessionKey(mainKey)
+      updateHomeCanvasState()
+    } catch (_: Throwable) {
+      // ignore
+    }
+  }
+
+  private fun updateHomeCanvasState() {
+    val payload =
+      try {
+        json.encodeToString(makeHomeCanvasPayload())
+      } catch (_: Throwable) {
+        null
+      }
+    canvas.updateHomeCanvasState(payload)
+  }
+
+  private fun makeHomeCanvasPayload(): HomeCanvasPayload {
+    val state = resolveHomeCanvasGatewayState()
+    val gatewayName = normalized(_serverName.value)
+    val gatewayAddress = normalized(_remoteAddress.value)
+    val gatewayLabel = gatewayName ?: gatewayAddress ?: "Gateway"
+    val activeAgentId = resolveActiveAgentId()
+    val agents = homeCanvasAgents(activeAgentId)
+
+    return when (state) {
+      HomeCanvasGatewayState.Connected ->
+        HomeCanvasPayload(
+          gatewayState = "connected",
+          eyebrow = "Connected to $gatewayLabel",
+          title = "Your agents are ready",
+          subtitle =
+            "This phone stays dormant until the gateway needs it, then wakes, syncs, and goes back to sleep.",
+          gatewayLabel = gatewayLabel,
+          activeAgentName = resolveActiveAgentName(activeAgentId),
+          activeAgentBadge = agents.firstOrNull { it.isActive }?.badge ?: "OC",
+          activeAgentCaption = "Selected on this phone",
+          agentCount = agents.size,
+          agents = agents.take(6),
+          footer = "The overview refreshes on reconnect and when this screen opens.",
+        )
+      HomeCanvasGatewayState.Connecting ->
+        HomeCanvasPayload(
+          gatewayState = "connecting",
+          eyebrow = "Reconnecting",
+          title = "OpenClaw is syncing back up",
+          subtitle =
+            "The gateway session is coming back online. Agent shortcuts should settle automatically in a moment.",
+          gatewayLabel = gatewayLabel,
+          activeAgentName = resolveActiveAgentName(activeAgentId),
+          activeAgentBadge = "OC",
+          activeAgentCaption = "Gateway session in progress",
+          agentCount = agents.size,
+          agents = agents.take(4),
+          footer = "If the gateway is reachable, reconnect should complete without intervention.",
+        )
+      HomeCanvasGatewayState.Error, HomeCanvasGatewayState.Offline ->
+        HomeCanvasPayload(
+          gatewayState = if (state == HomeCanvasGatewayState.Error) "error" else "offline",
+          eyebrow = "Welcome to OpenClaw",
+          title = "Your phone stays quiet until it is needed",
+          subtitle =
+            "Pair this device to your gateway to wake it only for real work, keep a live agent overview handy, and avoid battery-draining background loops.",
+          gatewayLabel = gatewayLabel,
+          activeAgentName = "Main",
+          activeAgentBadge = "OC",
+          activeAgentCaption = "Connect to load your agents",
+          agentCount = agents.size,
+          agents = agents.take(4),
+          footer = "When connected, the gateway can wake the phone with a silent push instead of holding an always-on session.",
+        )
+    }
+  }
+
+  private fun resolveHomeCanvasGatewayState(): HomeCanvasGatewayState {
+    val lower = _statusText.value.trim().lowercase()
+    return when {
+      _isConnected.value -> HomeCanvasGatewayState.Connected
+      lower.contains("connecting") || lower.contains("reconnecting") -> HomeCanvasGatewayState.Connecting
+      lower.contains("error") || lower.contains("failed") -> HomeCanvasGatewayState.Error
+      else -> HomeCanvasGatewayState.Offline
+    }
+  }
+
+  private fun resolveActiveAgentId(): String {
+    val mainKey = _mainSessionKey.value.trim()
+    if (mainKey.startsWith("agent:")) {
+      val agentId = mainKey.removePrefix("agent:").substringBefore(':').trim()
+      if (agentId.isNotEmpty()) return agentId
+    }
+    return gatewayDefaultAgentId?.trim().orEmpty()
+  }
+
+  private fun resolveActiveAgentName(activeAgentId: String): String {
+    if (activeAgentId.isNotEmpty()) {
+      gatewayAgents.firstOrNull { it.id == activeAgentId }?.let { agent ->
+        return normalized(agent.name) ?: agent.id
+      }
+      return activeAgentId
+    }
+    return gatewayAgents.firstOrNull()?.let { normalized(it.name) ?: it.id } ?: "Main"
+  }
+
+  private fun homeCanvasAgents(activeAgentId: String): List<HomeCanvasAgentCard> {
+    val defaultAgentId = gatewayDefaultAgentId?.trim().orEmpty()
+    return gatewayAgents
+      .map { agent ->
+        val isActive = activeAgentId.isNotEmpty() && agent.id == activeAgentId
+        val isDefault = defaultAgentId.isNotEmpty() && agent.id == defaultAgentId
+        HomeCanvasAgentCard(
+          id = agent.id,
+          name = normalized(agent.name) ?: agent.id,
+          badge = homeCanvasBadge(agent),
+          caption =
+            when {
+              isActive -> "Active on this phone"
+              isDefault -> "Default agent"
+              else -> "Ready"
+            },
+          isActive = isActive,
+        )
+      }.sortedWith(compareByDescending<HomeCanvasAgentCard> { it.isActive }.thenBy { it.name.lowercase() })
+  }
+
+  private fun homeCanvasBadge(agent: GatewayAgentSummary): String {
+    val emoji = normalized(agent.emoji)
+    if (emoji != null) return emoji
+    val initials =
+      (normalized(agent.name) ?: agent.id)
+        .split(' ', '-', '_')
+        .filter { it.isNotBlank() }
+        .take(2)
+        .mapNotNull { token -> token.firstOrNull()?.uppercaseChar()?.toString() }
+        .joinToString("")
+    return if (initials.isNotEmpty()) initials else "OC"
+  }
+
+  private fun normalized(value: String?): String? {
+    val trimmed = value?.trim().orEmpty()
+    return trimmed.ifEmpty { null }
+  }
+
   private fun triggerCameraFlash() {
     // Token is used as a pulse trigger; value doesn't matter as long as it changes.
     _cameraFlashToken.value = SystemClock.elapsedRealtimeNanos()
@@ -951,3 +1132,40 @@ class NodeRuntime(context: Context) {
   }
 
 }
+
+private enum class HomeCanvasGatewayState {
+  Connected,
+  Connecting,
+  Error,
+  Offline,
+}
+
+private data class GatewayAgentSummary(
+  val id: String,
+  val name: String?,
+  val emoji: String?,
+)
+
+@Serializable
+private data class HomeCanvasPayload(
+  val gatewayState: String,
+  val eyebrow: String,
+  val title: String,
+  val subtitle: String,
+  val gatewayLabel: String,
+  val activeAgentName: String,
+  val activeAgentBadge: String,
+  val activeAgentCaption: String,
+  val agentCount: Int,
+  val agents: List<HomeCanvasAgentCard>,
+  val footer: String,
+)
+
+@Serializable
+private data class HomeCanvasAgentCard(
+  val id: String,
+  val name: String,
+  val badge: String,
+  val caption: String,
+  val isActive: Boolean,
+)

apps/android/app/src/main/java/ai/openclaw/app/node/CanvasController.kt

@@ -34,6 +34,7 @@ class CanvasController {
   @Volatile private var debugStatusEnabled: Boolean = false
   @Volatile private var debugStatusTitle: String? = null
   @Volatile private var debugStatusSubtitle: String? = null
+  @Volatile private var homeCanvasStateJson: String? = null
   private val _currentUrl = MutableStateFlow<String?>(null)
   val currentUrl: StateFlow<String?> = _currentUrl.asStateFlow()
 
@@ -56,6 +57,7 @@ class CanvasController {
     this.webView = webView
     reload()
     applyDebugStatus()
+    applyHomeCanvasState()
   }
 
   fun detach(webView: WebView) {
@@ -88,6 +90,12 @@ class CanvasController {
 
   fun onPageFinished() {
     applyDebugStatus()
+    applyHomeCanvasState()
+  }
+
+  fun updateHomeCanvasState(json: String?) {
+    homeCanvasStateJson = json
+    applyHomeCanvasState()
   }
 
   private inline fun withWebViewOnMain(crossinline block: (WebView) -> Unit) {
@@ -142,6 +150,22 @@ class CanvasController {
     }
   }
 
+  private fun applyHomeCanvasState() {
+    val payload = homeCanvasStateJson ?: "null"
+    withWebViewOnMain { wv ->
+      val js = """
+        (() => {
+          try {
+            const api = globalThis.__openclaw;
+            if (!api || typeof api.renderHome !== 'function') return;
+            api.renderHome($payload);
+          } catch (_) {}
+        })();
+      """.trimIndent()
+      wv.evaluateJavascript(js, null)
+    }
+  }
+
   suspend fun eval(javaScript: String): String =
     withContext(Dispatchers.Main) {
       val wv = webView ?: throw IllegalStateException("no webview")

apps/android/app/src/main/java/ai/openclaw/app/ui/PostOnboardingTabs.kt

@@ -134,43 +134,14 @@ fun PostOnboardingTabs(viewModel: MainViewModel, modifier: Modifier = Modifier)
 @Composable
 private fun ScreenTabScreen(viewModel: MainViewModel) {
   val isConnected by viewModel.isConnected.collectAsState()
-  val isNodeConnected by viewModel.isNodeConnected.collectAsState()
-  val canvasUrl by viewModel.canvasCurrentUrl.collectAsState()
-  val canvasA2uiHydrated by viewModel.canvasA2uiHydrated.collectAsState()
-  val canvasRehydratePending by viewModel.canvasRehydratePending.collectAsState()
-  val canvasRehydrateErrorText by viewModel.canvasRehydrateErrorText.collectAsState()
-  val isA2uiUrl = canvasUrl?.contains("/__openclaw__/a2ui/") == true
-  val showRestoreCta = isConnected && isNodeConnected && (canvasUrl.isNullOrBlank() || (isA2uiUrl && !canvasA2uiHydrated))
-  val restoreCtaText =
-    when {
-      canvasRehydratePending -> "Restore requested. Waiting for agent…"
-      !canvasRehydrateErrorText.isNullOrBlank() -> canvasRehydrateErrorText!!
-      else -> "Canvas reset. Tap to restore dashboard."
+  LaunchedEffect(isConnected) {
+    if (isConnected) {
+      viewModel.refreshHomeCanvasOverviewIfConnected()
+    }
   }
 
   Box(modifier = Modifier.fillMaxSize()) {
     CanvasScreen(viewModel = viewModel, modifier = Modifier.fillMaxSize())
-
-    if (showRestoreCta) {
-      Surface(
-        onClick = {
-          if (canvasRehydratePending) return@Surface
-          viewModel.requestCanvasRehydrate(source = "screen_tab_cta")
-        },
-        modifier = Modifier.align(Alignment.TopCenter).padding(horizontal = 16.dp, vertical = 16.dp),
-        shape = RoundedCornerShape(12.dp),
-        color = mobileSurface.copy(alpha = 0.9f),
-        border = BorderStroke(1.dp, mobileBorder),
-        shadowElevation = 4.dp,
-      ) {
-        Text(
-          text = restoreCtaText,
-          modifier = Modifier.padding(horizontal = 12.dp, vertical = 10.dp),
-          style = mobileCallout.copy(fontWeight = FontWeight.Medium),
-          color = mobileText,
-        )
-      }
-    }
   }
 }