Ignore replayed tool starts

app/androidApp/src/test/kotlin/com/example/aiapp/TranscriptItemsTest.kt

@@ -142,6 +142,23 @@ class TranscriptItemsTest {
         assertTrue(items.none { it is TranscriptItem.TurnBreak }, "$items")
     }
 
+    @Test
+    fun a_repeated_tool_start_is_still_one_row() {
+        val start = SessionEvent.ToolStart("exec-1", "Bash", "{\"command\":\"cargo test\"}")
+        val items =
+            fold(
+                start,
+                SessionEvent.AssistantText("The test run is still going."),
+                start,
+                SessionEvent.ToolEnd("exec-1", "finished"),
+            )
+
+        val tools = items.filterIsInstance<TranscriptItem.ToolRun>()
+        assertEquals(1, tools.size, "$items")
+        assertEquals("finished", tools.single().output)
+        assertTrue(tools.single().done)
+    }
+
     /**
      * The page-join half of the same rule. A boundary that cuts one reply leaves an unfinished half
      * to be rejoined; a boundary that lands between two turns must not join anything, or paging