diff --git a/PlotLine/Models/StoryIntelligencePersistenceModels.cs b/PlotLine/Models/StoryIntelligencePersistenceModels.cs
index cdac7fa..7919857 100644
--- a/PlotLine/Models/StoryIntelligencePersistenceModels.cs
+++ b/PlotLine/Models/StoryIntelligencePersistenceModels.cs
@@ -154,6 +154,7 @@ public sealed class StoryIntelligenceSavedRun
     public decimal? ChapterNumber { get; init; }
     public string Status { get; init; } = string.Empty;
     public string SourceType { get; init; } = string.Empty;
+    public string? SourceText { get; init; }
     public string? SourceFileName { get; init; }
     public long? SourceFileSizeBytes { get; init; }
     public int? SourceWordCount { get; init; }
diff --git a/PlotLine/Services/StoryIntelligenceParagraphs.cs b/PlotLine/Services/StoryIntelligenceParagraphs.cs
index 4fdfaee..8f3abcb 100644
--- a/PlotLine/Services/StoryIntelligenceParagraphs.cs
+++ b/PlotLine/Services/StoryIntelligenceParagraphs.cs
@@ -5,8 +5,8 @@ namespace PlotLine.Services;
 public static class StoryIntelligenceParagraphs
 {
     public static IReadOnlyList<string> Split(string? chapterText)
-        => (chapterText ?? string.Empty)
-            .Split(["\r\n\r\n", "\n\n", "\r\r"], StringSplitOptions.RemoveEmptyEntries)
+        => NormalizeLineEndings(chapterText)
+            .Split('\n', StringSplitOptions.RemoveEmptyEntries)
             .Select(paragraph => paragraph.Trim())
             .Where(paragraph => !string.IsNullOrWhiteSpace(paragraph))
             .ToList();
@@ -30,4 +30,13 @@ public static class StoryIntelligenceParagraphs
 
         return builder.ToString();
     }
+
+    private static string NormalizeLineEndings(string? value)
+        => (value ?? string.Empty)
+            .Replace("\r\n", "\n", StringComparison.Ordinal)
+            .Replace('\r', '\n')
+            .Replace('\v', '\n')
+            .Replace('\f', '\n')
+            .Replace('\u2028', '\n')
+            .Replace('\u2029', '\n');
 }
diff --git a/PlotLine/Sql/120_Phase20R_DeterministicChapterParagraphs.sql b/PlotLine/Sql/120_Phase20R_DeterministicChapterParagraphs.sql
index 65c8817..ba8a179 100644
--- a/PlotLine/Sql/120_Phase20R_DeterministicChapterParagraphs.sql
+++ b/PlotLine/Sql/120_Phase20R_DeterministicChapterParagraphs.sql
@@ -61,6 +61,7 @@ BEGIN
         r.ChapterNumber,
         r.Status,
         r.SourceType,
+        r.SourceText,
         r.SourceFileName,
         r.SourceFileSizeBytes,
         r.SourceWordCount,
diff --git a/PlotLine/Views/Admin/StoryIntelligenceRunDetails.cshtml b/PlotLine/Views/Admin/StoryIntelligenceRunDetails.cshtml
index a69316c..bc0695f 100644
--- a/PlotLine/Views/Admin/StoryIntelligenceRunDetails.cshtml
+++ b/PlotLine/Views/Admin/StoryIntelligenceRunDetails.cshtml
@@ -95,6 +95,10 @@ else
             <dd>@Display(run.SourceCharacterCount)</dd>
             <dt>Submitted paragraph count</dt>
             <dd>@Display(run.SourceParagraphCount)</dd>
+            <dt>First five numbered paragraphs</dt>
+            <dd><pre class="mb-0">@FirstNumberedParagraphs(run)</pre></dd>
+            <dt>Last paragraph number</dt>
+            <dd>@Display(LastParagraphNumber(run))</dd>
             <dt>Source chapter count</dt>
             <dd>@Display(run.SourceChapterCount)</dd>
             <dt>Detected document features</dt>
@@ -274,6 +278,25 @@ else
                 : $"Chapter ID {chapterId.Value:N0}"
             : "None";
 
+    private static string FirstNumberedParagraphs(StoryIntelligenceSavedRun run)
+    {
+        var paragraphs = StoryIntelligenceParagraphs.Split(run.SourceText);
+        if (paragraphs.Count == 0)
+        {
+            return "None";
+        }
+
+        return string.Join(
+            Environment.NewLine + Environment.NewLine,
+            paragraphs.Take(5).Select((paragraph, index) => $"[{index + 1}] {PreviewParagraph(paragraph)}"));
+    }
+
+    private static int? LastParagraphNumber(StoryIntelligenceSavedRun run)
+    {
+        var paragraphs = StoryIntelligenceParagraphs.Split(run.SourceText);
+        return paragraphs.Count == 0 ? null : paragraphs.Count;
+    }
+
     private static string ChapterStructureStatus(StoryIntelligenceSavedChapterResult? chapter, StoryIntelligenceSavedRun run)
     {
         if (chapter is not null)
@@ -368,4 +391,10 @@ else
             return [];
         }
     }
+
+    private static string PreviewParagraph(string value)
+    {
+        var cleaned = value.ReplaceLineEndings(" ").Trim();
+        return cleaned.Length <= 220 ? cleaned : $"{cleaned[..220]}...";
+    }
 }