From a9895a1e8aa513da4feecd969e9edf7cf37f8b6e Mon Sep 17 00:00:00 2001
From: Simon Klee <hello@simonklee.dk>
Date: Mon, 20 Jul 2026 13:22:46 +0200
Subject: [PATCH] fix(tui/mini): idle footer when session idles (#37910)

---
 packages/tui/src/mini/stream-v2.transport.ts  |  2 ++
 .../tui/test/mini/stream-v2.transport.test.ts | 24 +++++++++++++++----
 2 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/packages/tui/src/mini/stream-v2.transport.ts b/packages/tui/src/mini/stream-v2.transport.ts
index 5e4b6bbcfdb..ae07370de9a 100644
--- a/packages/tui/src/mini/stream-v2.transport.ts
+++ b/packages/tui/src/mini/stream-v2.transport.ts
@@ -712,6 +712,8 @@ export async function createSessionTransport(input: StreamInput): Promise<Sessio
       phase: state.rootActive ? "running" : "idle",
       status: state.rootActive ? "assistant responding" : blockerStatus(state.view),
     })
+    if (!state.rootActive) await input.footer.idle()
+    if (!current(attempt)) return
     if (!state.rootActive && state.wait && (state.wait.promoted || state.wait.interrupted)) {
       const current = state.wait
       state.wait = undefined
diff --git a/packages/tui/test/mini/stream-v2.transport.test.ts b/packages/tui/test/mini/stream-v2.transport.test.ts
index 32f7a507e0e..c7c951a3e11 100644
--- a/packages/tui/test/mini/stream-v2.transport.test.ts
+++ b/packages/tui/test/mini/stream-v2.transport.test.ts
@@ -417,11 +417,26 @@ describe("V2 mini transport", () => {
     await transport.close()
   })
 
-  test("hydrates projection, reduces live output, and completes on settlement", async () => {
+  test("finalizes an idle projection before reducing live output", async () => {
     const events = feed()
     events.push(connected())
-    const client = sdk({ streams: [events] })
+    const client = sdk({
+      streams: [events],
+      messages: {
+        ses_1: [
+          {
+            id: "msg_old",
+            type: "assistant",
+            agent: "build",
+            model: { providerID: "test", id: "model" },
+            content: [{ type: "text", text: "[Link](https://example.com)" }],
+            time: { created: 1 },
+          },
+        ],
+      },
+    })
     const ui = footer()
+    const idle = spyOn(ui.api, "idle")
     const transport = await createSessionTransport({
       sdk: client,
       sessionID: "ses_1",
@@ -429,7 +444,8 @@ describe("V2 mini transport", () => {
       replay: true,
       footer: ui.api,
     })
-    expect(ui.commits.map((item) => item.text)).toEqual(["previous prompt"])
+    expect(ui.commits.map((item) => item.text)).toEqual(["[Link](https://example.com)"])
+    expect(idle).toHaveBeenCalledTimes(1)
 
     let admitted = false
     spyOn(client.session, "prompt").mockImplementation((request) => {
@@ -476,7 +492,7 @@ describe("V2 mini transport", () => {
     })
     await turn
 
-    expect(ui.commits.map((item) => item.text)).toEqual(["previous prompt", "answer"])
+    expect(ui.commits.map((item) => item.text)).toEqual(["[Link](https://example.com)", "answer"])
     expect(ui.events).toContainEqual({ type: "stream.patch", patch: { phase: "idle", status: "" } })
     await transport.close()
   })