fix(tui): pin queued compaction below output (#36738)

packages/tui/src/routes/session/rows.ts

@@ -177,7 +177,9 @@ export function createSessionRows(sessionID: Accessor<string>) {
   }
 
   const queuedStart = (rows: SessionRow[]) => {
-    const index = rows.findIndex((row) => row.type === "message" && isPending(row.messageID))
+    const index = rows.findIndex(
+      (row) => row.type === "compaction-queued" || (row.type === "message" && isPending(row.messageID)),
+    )
     return index === -1 ? rows.length : index
   }
 

packages/tui/test/cli/tui/data.test.tsx

@@ -1202,6 +1202,21 @@ test("restores queued compaction from durable pending input", async () => {
       { type: "compaction-queued", inputID: "message-compaction-later" },
     ])
 
+    emitEvent(events, {
+      id: "evt_text_ended",
+      created: 2,
+      type: "session.text.ended",
+      durable: durable(sessionID, 5),
+      data: {
+        sessionID,
+        assistantMessageID: "message-assistant",
+        ordinal: 0,
+        text: "Active output",
+      },
+    })
+    await wait(() => rows.some((row) => row.type === "part"))
+    expect(rows.map((row) => row.type)).toEqual(["part", "compaction-queued", "compaction-queued"])
+
     emitEvent(events, {
       id: "evt_compaction_started",
       created: 2,