Merge migrations

[ci skip]

src/documents/migrations/0013_document_version_label.py

@@ -0,0 +1,24 @@
+# Generated by Codex on 2026-02-10
+
+from django.db import migrations
+from django.db import models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("documents", "0012_document_head_version"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="document",
+            name="version_label",
+            field=models.CharField(
+                blank=True,
+                help_text="Optional short label for a document version.",
+                max_length=64,
+                null=True,
+                verbose_name="version label",
+            ),
+        ),
+    ]