feat(analytics): refine timeline visualization and add print support

scripts/archive/reproduce-hydration.ts

@@ -0,0 +1,76 @@
+
+import { convertDatabaseToSteps } from "../../src/lib/experiment-designer/block-converter";
+import { type ExperimentStep } from "../../src/lib/experiment-designer/types";
+
+// Mock DB Steps (simulating what experimentsRouter returns before conversion)
+const mockDbSteps = [
+    {
+        id: "step-1",
+        name: "Step 1",
+        type: "wizard",
+        orderIndex: 0,
+        actions: [
+            {
+                id: "seq-1",
+                name: "Test Sequence",
+                type: "sequence",
+                parameters: {
+                    children: [
+                        { id: "child-1", name: "Child 1", type: "wait", parameters: { duration: 1 } },
+                        { id: "child-2", name: "Child 2", type: "wait", parameters: { duration: 2 } }
+                    ]
+                }
+            }
+        ]
+    }
+];
+
+// Mock Store Logic (simulating store.ts)
+function cloneActions(actions: any[]): any[] {
+    return actions.map((a) => ({
+        ...a,
+        children: a.children ? cloneActions(a.children) : undefined,
+    }));
+}
+
+function cloneSteps(steps: any[]): any[] {
+    return steps.map((s) => ({
+        ...s,
+        actions: cloneActions(s.actions),
+    }));
+}
+
+console.log("🔹 Testing Hydration & Cloning...");
+
+// 1. Convert DB -> Runtime
+const runtimeSteps = convertDatabaseToSteps(mockDbSteps);
+const seq = runtimeSteps[0]?.actions[0];
+
+if (!seq) {
+    console.error("❌ Conversion Failed: Sequence action not found.");
+    process.exit(1);
+}
+
+console.log(`Runtime Children Count: ${seq.children?.length ?? "undefined"}`);
+
+if (!seq.children || seq.children.length === 0) {
+    console.error("❌ Conversion Failed: Children not hydrated from parameters.");
+    process.exit(1);
+}
+
+// 2. Store Cloning
+const clonedSteps = cloneSteps(runtimeSteps);
+const clonedSeq = clonedSteps[0]?.actions[0];
+
+if (!clonedSeq) {
+    console.error("❌ Cloning Failed: Sequence action lost.");
+    process.exit(1);
+}
+
+console.log(`Cloned Children Count: ${clonedSeq.children?.length ?? "undefined"}`);
+
+if (clonedSeq.children?.length === 2) {
+    console.log("✅ SUCCESS: Data hydrated and cloned correctly.");
+} else {
+    console.error("❌ CLONING FAILED: Children lost during clone.");
+}