From 21d50e7c20cbd1233faaf9ff4456450c45ac7e1d Mon Sep 17 00:00:00 2001
From: AJ Isaacs <ajisaacs27@gmail.com>
Date: Thu, 5 Feb 2026 00:19:01 -0500
Subject: [PATCH] fix: Prevent shape change after material creation

Disable Shape dropdown on existing materials since changing shape would
require completely different dimension properties.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
---
 CutList.Web/Components/Pages/Materials/Edit.razor | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/CutList.Web/Components/Pages/Materials/Edit.razor b/CutList.Web/Components/Pages/Materials/Edit.razor
index 121a9bf..6a37be0 100644
--- a/CutList.Web/Components/Pages/Materials/Edit.razor
+++ b/CutList.Web/Components/Pages/Materials/Edit.razor
@@ -28,13 +28,17 @@ else
 
                         <div class="mb-3">
                             <label class="form-label">Shape</label>
-                            <InputSelect class="form-select" @bind-Value="selectedShape" @bind-Value:after="OnShapeChanged">
+                            <InputSelect class="form-select" @bind-Value="selectedShape" @bind-Value:after="OnShapeChanged" disabled="@(!IsNew)">
                                 <option value="">-- Select Shape --</option>
                                 @foreach (var shape in Enum.GetValues<MaterialShape>())
                                 {
                                     <option value="@shape">@shape.GetDisplayName()</option>
                                 }
                             </InputSelect>
+                            @if (!IsNew)
+                            {
+                                <div class="form-text text-muted">Shape cannot be changed after creation.</div>
+                            }
                             <ValidationMessage For="@(() => material.Shape)" />
                         </div>