feat: stitch page-printer tables into one roster and add chapter team-count tokens

When New page per record is off, a single-table template shares one header across records. Event and team pages can print regional/state team counts and nationals eligibility.

Co-authored-by: Cursor <cursoragent@cursor.com>

WebApp/Services/NotePrintService.cs

@@ -74,16 +74,16 @@ public class NotePrintService : INotePrintService
             rows.Add((student, ImportedTokens(parsed, request.ImportedFieldCatalog)));
         }
 
-        return
-        [
-            .. rows.Select(row => MergePage(
+        return FinishPreview(
+            request,
+            template,
+            chapter,
+            rows.Count == 1 ? "1 student" : $"{rows.Count} students",
+            rows.Select(row => new RecordMerge(
                 row.Student.LastNameFirstName,
-                template,
                 row.Imported,
                 StudentTokens(row.Student),
-                chapter,
-                StudentHtmlFragments(row.Student)))
-        ];
+                StudentHtmlFragments(row.Student))));
     }
 
     private async Task<IReadOnlyList<NotePrintPage>> PreviewTeamsAsync(
@@ -110,10 +110,12 @@ public class NotePrintService : INotePrintService
             .ThenBy(t => t.Identifier)
             .ToListAsync(cancellationToken);
 
-        return
-        [
-            .. teams.Select(team => MergePage(team.ToString(), template, null, TeamTokens(team), chapter))
-        ];
+        return FinishPreview(
+            request,
+            template,
+            chapter,
+            teams.Count == 1 ? "1 team" : $"{teams.Count} teams",
+            teams.Select(team => new RecordMerge(team.ToString(), null, TeamTokens(team), null)));
     }
 
     private async Task<IReadOnlyList<NotePrintPage>> PreviewEventsAsync(
@@ -153,15 +155,67 @@ public class NotePrintService : INotePrintService
             .GroupBy(r => r.EventDefinition.Id)
             .ToDictionary(g => g.Key, g => g.ToList());
 
-        return
-        [
-            .. events.Select(evt => MergePage(
+        return FinishPreview(
+            request,
+            template,
+            chapter,
+            events.Count == 1 ? "1 event" : $"{events.Count} events",
+            events.Select(evt => new RecordMerge(
                 evt.Name,
-                template,
                 null,
                 EventTokens(evt),
+                EventHtmlFragments(rankingsByEventId.GetValueOrDefault(evt.Id)))));
+    }
+
+    private readonly record struct RecordMerge(
+        string DisplayName,
+        Dictionary<string, string?>? Imported,
+        Dictionary<string, string?> Entity,
+        IReadOnlyDictionary<string, string>? HtmlFragments);
+
+    private static IReadOnlyList<NotePrintPage> FinishPreview(
+        NotePrintRequest request,
+        string template,
+        Dictionary<string, string?> chapter,
+        string combinedDisplayName,
+        IEnumerable<RecordMerge> records)
+    {
+        var list = records.ToList();
+        if (list.Count == 0)
+            return [];
+
+        if (!request.Filters.NewPagePerRecord
+            && MarkdownTableStencil.TryParse(template, out var stencil)
+            && stencil is not null)
+        {
+            var chapterMap = PrintTokenMap.Build(null, null, chapter);
+            var prefix = NoteTemplateMerger.Merge(stencil.Prefix, chapterMap);
+            var suffix = NoteTemplateMerger.Merge(stencil.Suffix, chapterMap);
+            var bodies = list.Select(record =>
+                NoteTemplateMerger.Merge(
+                    stencil.Body,
+                    PrintTokenMap.Build(record.Imported, record.Entity, chapter)));
+
+            return
+            [
+                new NotePrintPage
+                {
+                    DisplayName = combinedDisplayName,
+                    Html = NoteTemplateMerger.ApplyLayout(
+                        MarkdownHelper.ToHtml(stencil.Stitch(prefix, bodies, suffix)))
+                }
+            ];
+        }
+
+        return
+        [
+            .. list.Select(record => MergePage(
+                record.DisplayName,
+                template,
+                record.Imported,
+                record.Entity,
                 chapter,
-                EventHtmlFragments(rankingsByEventId.GetValueOrDefault(evt.Id))))
+                record.HtmlFragments))
         ];
     }
 
@@ -261,7 +315,10 @@ public class NotePrintService : INotePrintService
         {
             ["EventFormat"] = evt?.EventFormat.ToString(),
             ["TeamSize"] = evt?.TeamSize,
+            ["NationalEligibility"] = evt?.Eligibility,
             ["Eligibility"] = evt?.Eligibility,
+            ["RegionalTeamCount"] = evt?.ChapterEligibilityCountRegionals.ToString(),
+            ["StateTeamCount"] = evt?.ChapterEligibilityCountState.ToString(),
             ["Description"] = evt?.Description,
             ["Theme"] = evt?.Theme,
             ["EventAttributes"] = EventAttributeMarks.For(evt)