Step 97: annotation gutter markers

editor/tests/step97_test.cpp

@@ -0,0 +1,59 @@
+// Step 97 TDD Test: Annotation gutter markers
+//
+// Tests:
+// 1. Render with annotation markers without crashing
+
+#include <cassert>
+#include <iostream>
+#include "imgui.h"
+#include "CodeEditorWidget.h"
+
+static void beginFrame() {
+    ImGuiIO& io = ImGui::GetIO();
+    io.DisplaySize = ImVec2(800, 600);
+    io.DeltaTime = 1.0f / 60.0f;
+    ImGui::NewFrame();
+}
+
+static void endFrame() {
+    ImGui::Render();
+}
+
+int main() {
+    int passed = 0;
+    int failed = 0;
+
+    IMGUI_CHECKVERSION();
+    ImGui::CreateContext();
+    ImGui::StyleColorsDark();
+
+    ImGuiIO& io = ImGui::GetIO();
+    io.Fonts->AddFontDefault();
+    io.Fonts->Build();
+
+    beginFrame();
+    ImGui::SetNextWindowFocus();
+    ImGui::Begin("TestWindow");
+    CodeEditorWidget widget;
+    std::string text = "def foo():\n  return 1\n";
+    std::vector<HighlightSpan> spans;
+    CodeEditorOptions opts;
+    AnnotationMarker m;
+    m.line = 0;
+    m.color = IM_COL32(80, 140, 220, 255);
+    m.message = "@Reclaim(Tracing)";
+    std::vector<AnnotationMarker> markers = {m};
+    opts.annotations = &markers;
+
+    CodeEditorResult res = widget.render("##editor", text, spans, opts, ImVec2(300, 200), ImGui::GetFont());
+    (void)res;
+    ImGui::End();
+    endFrame();
+    std::cout << "Test 1 PASS: Render with annotation markers" << std::endl;
+    ++passed;
+
+    ImGui::DestroyContext();
+
+    std::cout << "\n=== Step 97 Results: " << passed << " passed, " << failed << " failed ===" << std::endl;
+    return failed > 0 ? 1 : 0;
+}