Clarify subagent coordination cards

app/androidApp/src/main/kotlin/com/example/aiapp/ToolRows.kt

@@ -295,12 +295,14 @@ fun ToolCard(
     shape: Shape = CardDefaults.shape,
 ) {
     val parsed = remember(tool.tool, tool.input) { parseToolInput(tool.tool, tool.input) }
+    val name = toolDisplayName(tool.tool)
+    val output = toolDisplayOutput(tool.tool, tool.output)
     val deciding = tool.asks.any { it.answers.isEmpty() }
     val open = expanded || deciding
     Card(Modifier.fillMaxWidth().clickable(onClick = onToggle), shape = shape) {
         Column(Modifier.padding(GROUP_INSET_LARGE)) {
             Row(verticalAlignment = Alignment.CenterVertically) {
-                Text(tool.tool, style = MaterialTheme.typography.titleSmall)
+                Text(name, style = MaterialTheme.typography.titleSmall)
                 if (open) {
                     Spacer(Modifier.weight(1f))
                     parsed.timeout?.let {
@@ -355,7 +357,7 @@ fun ToolCard(
                 if (tool.tool != ASK_USER_QUESTION) {
                     ToolInputView(tool.tool, tool.input, Modifier.padding(top = 4.dp))
                 }
-                if (tool.output.isNotEmpty()) {
+                if (output.isNotEmpty()) {
                     Spacer(Modifier.height(8.dp))
                     Text("Output", style = MaterialTheme.typography.labelSmall)
                     // What the tool printed, on the surface everything verbatim gets and in the
@@ -367,7 +369,7 @@ fun ToolCard(
                     // often the whole of what a diff or a test run is saying. Remembered against
                     // the text, so a card that is open through a scroll parses once.
                     val palette = remember { ansiPalette() }
-                    val styled = remember(tool.output, palette) { ansiStyled(tool.output, palette) }
+                    val styled = remember(output, palette) { ansiStyled(output, palette) }
                     RawBlock(Modifier.padding(top = 2.dp)) {
                         Text(
                             styled,
@@ -391,6 +393,22 @@ fun ToolCard(
     }
 }
 
+private val collaborationToolNames =
+    mapOf(
+        "Task" to "Spawn agent",
+        "TaskOutput" to "Wait for agents",
+        "SendMessage" to "Message agent",
+        "CloseAgent" to "Close agent",
+        "InterruptAgent" to "Interrupt agent",
+        "ListAgents" to "List agents",
+        "ResumeAgent" to "Resume agent",
+    )
+
+internal fun toolDisplayName(tool: String): String = collaborationToolNames[tool] ?: tool
+
+internal fun toolDisplayOutput(tool: String, output: String): String =
+    if (tool in collaborationToolNames && output == "completed") "" else output
+
 /**
  * The permission ask on the call it is about.
  *