feat: add a Tools page printer for note merge and print presets

Chapter officers can merge a markdown note onto filtered students, teams, or events and save the recipe. Extra student-note columns are additional fields (any ## … fields heading) so they work as print tokens whether imported or typed by hand.

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

Tests/Printing/NoteTemplateMerger_Tests.cs

@@ -0,0 +1,119 @@
+using Core.Printing;
+
+namespace Tests.Printing;
+
+[TestFixture]
+public class NoteTemplateMerger_Tests
+{
+    [Test]
+    public void Merge_ReplacesKnownTokens()
+    {
+        var tokens = PrintTokenMap.Create();
+        tokens["FirstName"] = "Aria";
+        tokens["LastName"] = "Cole";
+
+        var result = NoteTemplateMerger.Merge("Hello {{FirstName}} {{LastName}}", tokens);
+
+        Assert.That(result, Is.EqualTo("Hello Aria Cole"));
+    }
+
+    [Test]
+    public void Merge_SupportsDottedAndSpacedNames()
+    {
+        var tokens = PrintTokenMap.Create();
+        tokens["Chapter.Name"] = "North TSA";
+        tokens["Interview Time"] = "3:20-3:35";
+
+        var result = NoteTemplateMerger.Merge(
+            "{{Chapter.Name}} at {{Interview Time}}",
+            tokens);
+
+        Assert.That(result, Is.EqualTo("North TSA at 3:20-3:35"));
+    }
+
+    [Test]
+    public void Merge_IsCaseAndWhitespaceTolerant()
+    {
+        var tokens = PrintTokenMap.Create();
+        tokens["FirstName"] = "Aria";
+
+        var result = NoteTemplateMerger.Merge("{{  firstname  }}", tokens);
+
+        Assert.That(result, Is.EqualTo("Aria"));
+    }
+
+    [Test]
+    public void Merge_LeavesUnknownTokensInPlace()
+    {
+        var tokens = PrintTokenMap.Create();
+        tokens["FirstName"] = "Aria";
+
+        var result = NoteTemplateMerger.Merge("{{FirstName}} {{Missing}}", tokens);
+
+        Assert.That(result, Is.EqualTo("Aria {{Missing}}"));
+    }
+
+    [Test]
+    public void Merge_KnownEmptyBecomesBlank()
+    {
+        var tokens = PrintTokenMap.Create();
+        tokens["Interview Time"] = string.Empty;
+
+        var result = NoteTemplateMerger.Merge("Time: {{Interview Time}}.", tokens);
+
+        Assert.That(result, Is.EqualTo("Time: ."));
+    }
+
+    [Test]
+    public void Merge_EmptyTemplate_IsEmpty()
+    {
+        Assert.That(NoteTemplateMerger.Merge(null, PrintTokenMap.Create()), Is.EqualTo(string.Empty));
+        Assert.That(NoteTemplateMerger.Merge("", PrintTokenMap.Create()), Is.EqualTo(string.Empty));
+    }
+
+    [Test]
+    public void Merge_PageBreak_IsSentinel()
+    {
+        var result = NoteTemplateMerger.Merge(
+            "Above\n{{PageBreak}}\nBelow",
+            PrintTokenMap.Create());
+
+        Assert.That(result, Does.Contain(NoteTemplateMerger.PageBreakSentinel));
+        Assert.That(result, Does.Not.Contain("{{PageBreak}}"));
+    }
+
+    [Test]
+    public void ApplyLayout_ReplacesSentinelAndParagraphWrap()
+    {
+        var raw = NoteTemplateMerger.ApplyLayout(
+            $"x{NoteTemplateMerger.PageBreakSentinel}y");
+        var wrapped = NoteTemplateMerger.ApplyLayout(
+            $"<p>{NoteTemplateMerger.PageBreakSentinel}</p>");
+
+        Assert.That(raw, Is.EqualTo($"x{NoteTemplateMerger.PageBreakHtml}y"));
+        Assert.That(wrapped, Is.EqualTo(NoteTemplateMerger.PageBreakHtml));
+    }
+
+    [Test]
+    public void Merge_AnswerSpace_IsSentinel()
+    {
+        var result = NoteTemplateMerger.Merge(
+            "Q?\n{{AnswerSpace}}\nNext",
+            PrintTokenMap.Create());
+
+        Assert.That(result, Does.Contain(NoteTemplateMerger.AnswerSpaceSentinel));
+        Assert.That(result, Does.Not.Contain("{{AnswerSpace}}"));
+    }
+
+    [Test]
+    public void ApplyLayout_ReplacesAnswerSpaceSentinelAndParagraphWrap()
+    {
+        var raw = NoteTemplateMerger.ApplyLayout(
+            $"x{NoteTemplateMerger.AnswerSpaceSentinel}y");
+        var wrapped = NoteTemplateMerger.ApplyLayout(
+            $"<p>{NoteTemplateMerger.AnswerSpaceSentinel}</p>");
+
+        Assert.That(raw, Is.EqualTo($"x{NoteTemplateMerger.AnswerSpaceHtml}y"));
+        Assert.That(wrapped, Is.EqualTo(NoteTemplateMerger.AnswerSpaceHtml));
+    }
+}