From 68d0a41bb42ea44429749e7d1ca4f7d3deda004a Mon Sep 17 00:00:00 2001
From: Errant <35878406+Errant-4@users.noreply.github.com>
Date: Fri, 9 May 2025 14:43:38 +0200
Subject: [PATCH] fix unremovable items used in construction (#37292)

---
 .../Construction/ConstructionSystem.Interactions.cs         | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Content.Server/Construction/ConstructionSystem.Interactions.cs b/Content.Server/Construction/ConstructionSystem.Interactions.cs
index 426ab6e80f..70a66c0ec7 100644
--- a/Content.Server/Construction/ConstructionSystem.Interactions.cs
+++ b/Content.Server/Construction/ConstructionSystem.Interactions.cs
@@ -8,8 +8,10 @@ using Content.Shared.Construction.EntitySystems;
 using Content.Shared.Construction.Steps;
 using Content.Shared.DoAfter;
 using Content.Shared.Interaction;
+using Content.Shared.Interaction.Components;
 using Content.Shared.Prying.Systems;
 using Content.Shared.Radio.EntitySystems;
+using Content.Shared.Stacks;
 using Content.Shared.Temperature;
 using Content.Shared.Tools.Systems;
 using Robust.Shared.Containers;
@@ -274,6 +276,10 @@ namespace Content.Server.Construction
                     if(!insertStep.EntityValid(insert, EntityManager, _factory))
                         return HandleResult.False;
 
+                    // Unremovable items can't be inserted, unless they are a lingering stack
+                    if(HasComp<UnremoveableComponent>(insert) && (!TryComp<StackComponent>(insert, out var comp) || !comp.Lingering))
+                        return HandleResult.False;
+
                     // If we're only testing whether this step would be handled by the given event, then we're done.
                     if (validation)
                         return HandleResult.Validated;