Step 106: add transform history panel

editor/tests/step106_test.cpp

@@ -0,0 +1,44 @@
+// Step 106 TDD Test: Transform history timestamps
+//
+// Tests:
+// 1. Transform history records timestamp entries
+
+#include <cassert>
+#include <iostream>
+#include "IncrementalOptimizer.h"
+#include "ast/Module.h"
+#include "ast/Function.h"
+#include "ast/Statement.h"
+#include "ast/Expression.h"
+
+int main() {
+    int passed = 0;
+    int failed = 0;
+
+    Module mod("m1", "mod", "python");
+    auto* fn = new Function("f1", "foo");
+    auto* ret = new Return();
+    ret->id = "r1";
+    auto* bin = new BinaryOperation("b1", "+");
+    auto* left = new IntegerLiteral("i1", 1);
+    auto* right = new IntegerLiteral("i2", 2);
+    bin->setChild("left", left);
+    bin->setChild("right", right);
+    ret->setChild("value", bin);
+    fn->addChild("body", ret);
+    mod.addChild("functions", fn);
+
+    IncrementalOptimizer opt;
+    opt.setRoot(&mod);
+    opt.applyTransform("constant-fold");
+
+    auto history = opt.getTransformHistory();
+    assert(!history.empty());
+    assert(!history[0].timestamp.empty());
+
+    std::cout << "Test 1 PASS: timestamps recorded" << std::endl;
+    ++passed;
+
+    std::cout << "\n=== Step 106 Results: " << passed << " passed, " << failed << " failed ===" << std::endl;
+    return failed > 0 ? 1 : 0;
+}