appendix: 23 Code-Ausschnitte aus dem Houston-Repository

Pin nixpkgs to the revision used by itc.componentware: the channel version
ships a latexminted that crashes on Python 3.14, which made every listing
fail and sent latexmk into an endless error prompt. Also force
nonstopmode/halt-on-error so a broken listing can never loop again.

figures/code/type-icon-mask.scss

@@ -0,0 +1,28 @@
+.doc-type-icon {
+    display: inline-flex;
+    width: 1.25em;
+    height: 1.25em;
+    vertical-align: middle;
+    align-items: center;
+    justify-content: center;
+}
+
+@each $name in (
+    'service-protokoll',
+    'abnahme-dokumente',
+    'sla-reports',
+    'monitoring-reports',
+    'security-assessments',
+    'abrechnungsdaten',
+    'vertragsunterlagen',
+    'default',
+    'ms-sharepoint',
+    'ms-onedrive',
+    'ms-teams',
+) {
+    .doc-type-icon-#{$name} {
+        background-color: currentColor;
+        mask-repeat: no-repeat;
+        mask-position: center;
+        mask-size: contain;
+        mask-image: url('/img/document-types/icons/#{$name}.svg');