fix chat queue promotion (#1042)

tests/e2e/chat-streaming.spec.ts

@@ -142,6 +142,22 @@ test('keeps queued runs on one socket and does not duplicate streamed handlers',
   expect(second.runCount).toBe(2)
   expect(second.run.session_id).toBe(first.run.session_id)
   expect(second.run.input).toBe('Second queued contract')
+  await expect(page.locator('p').filter({ hasText: /^Second queued contract$/ })).toHaveCount(0)
+
+  await page.evaluate(({ sid, queueId }) => {
+    const socket = (window as any).__PW_CHAT_SOCKET__.latest
+    socket.__trigger('run.peer_user_message', {
+      event: 'run.peer_user_message',
+      session_id: sid,
+      message: {
+        id: queueId,
+        role: 'user',
+        content: 'Second queued contract',
+        timestamp: Date.now() / 1000,
+      },
+    })
+  }, { sid: first.run.session_id, queueId: second.run.queue_id })
+  await expect(page.locator('p').filter({ hasText: /^Second queued contract$/ })).toHaveCount(0)
 
   await page.evaluate((sid) => {
     const socket = (window as any).__PW_CHAT_SOCKET__.latest
@@ -152,6 +168,29 @@ test('keeps queued runs on one socket and does not duplicate streamed handlers',
       output: 'First answer',
       queue_remaining: 1,
     })
+  }, first.run.session_id)
+
+  await expect(page.locator('p').filter({ hasText: /^Second queued contract$/ })).toHaveCount(0)
+
+  await page.evaluate(({ sid, queueId }) => {
+    const socket = (window as any).__PW_CHAT_SOCKET__.latest
+    socket.__trigger('run.queued', {
+      event: 'run.queued',
+      session_id: sid,
+      queue_length: 0,
+      dequeued_queue_id: queueId,
+      queued_messages: [],
+    })
+    socket.__trigger('run.peer_user_message', {
+      event: 'run.peer_user_message',
+      session_id: sid,
+      message: {
+        id: queueId,
+        role: 'user',
+        content: 'Second queued contract',
+        timestamp: Date.now() / 1000,
+      },
+    })
     socket.__trigger('run.started', { event: 'run.started', session_id: sid, run_id: 'run-2', queue_length: 0 })
     socket.__trigger('message.delta', { event: 'message.delta', session_id: sid, run_id: 'run-2', delta: 'Second answer' })
     socket.__trigger('run.completed', {
@@ -161,7 +200,7 @@ test('keeps queued runs on one socket and does not duplicate streamed handlers',
       output: 'Second answer',
       queue_remaining: 0,
     })
-  }, first.run.session_id)
+  }, { sid: first.run.session_id, queueId: second.run.queue_id })
 
   await expect(page.locator('p').filter({ hasText: /^First answer$/ })).toHaveCount(1)
   await expect(page.locator('p').filter({ hasText: /^Second queued contract$/ })).toHaveCount(1)