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/list-documents.cs

@@ -0,0 +1,25 @@
+private async IAsyncEnumerable<DocumentKey> ListDocumentsAsync(
+    OrgSlug org,
+    DocumentRelativePath? startAfter,
+    [EnumeratorCancellation] CancellationToken cancellationToken)
+{
+    var isFirstRequest = true;
+    var requestBuilder = () =>
+    {
+        var r = new ListObjectsV2Request
+        {
+            Prefix = org.ToString(),
+            StartAfter = isFirstRequest && startAfter is { } doc
+                ? new DocumentKey(org, doc.Type, doc.Name).ToString()
+                : null,
+        };
+
+        isFirstRequest = false;
+
+        return r;
+    };
+
+   await foreach (var obj in EnumerateObjectsAsync(requestBuilder, cancellationToken))
+       if (DocumentKey.TryFromS3Key(obj.Key, out var key))
+           yield return key.Value;
+}