fix: resume queued delivery on reconnect (Closes #917)

tests/test_dashboard_session_frontend.py

@@ -809,6 +809,28 @@ process.stdout.write(JSON.stringify(state));
     assert result["workerMessages"] == [{"type": "stackchain-resume-outbox"}]
 
 
+def test_reconnect_requests_queued_delivery_resume_after_offline_reload():
+    result = run_session_scenario(
+        """
+boundary.startReconnectResume();
+state.responsePayload = {authenticated:true, expires_at:200000, idle_expires_at:150000};
+await state.activityListeners.online();
+await new Promise(resolve => setTimeout(resolve, 0));
+process.stdout.write(JSON.stringify(state));
+"""
+    )
+
+    assert result["requests"][0]["url"] == "/dashboard/api/v1/session"
+    assert result["workerMessages"] == [
+        {
+            "type": "stackchain-session-lease",
+            "expiresAt": 200000,
+            "idleExpiresAt": 150000,
+        },
+        {"type": "stackchain-resume-outbox"},
+    ]
+
+
 @pytest.mark.anyio
 async def test_dashboard_loads_session_boundary_first_and_offers_sign_out():
     html = await dashboard()