diff --git a/qa/audit_wizard_writes.mjs b/qa/audit_wizard_writes.mjs
new file mode 100644
index 0000000..3f0aca7
--- /dev/null
+++ b/qa/audit_wizard_writes.mjs
@@ -0,0 +1,120 @@
+// EA2 step-write audit: drive the live wizard like a human, capture
+// every /api/ea2/* + /api/runtime/* POST/PUT, and report which Wizard
+// phase actually hit the backend.
+import { chromium } from "playwright";
+
+const URL = "https://canvas.flow-master.ai/";
+const b = await chromium.launch({
+  headless: true,
+  args: ["--host-resolver-rules=MAP canvas.flow-master.ai 65.21.71.186", "--ignore-certificate-errors"],
+});
+const ctx = await b.newContext({ viewport: { width: 1440, height: 900 } });
+const p = await ctx.newPage();
+
+const writes = [];
+p.on("request", (req) => {
+  const u = req.url();
+  const m = req.method();
+  if ((m === "POST" || m === "PUT") && /\/api\/(ea2|runtime)\//.test(u)) {
+    writes.push({ method: m, path: u.replace("https://canvas.flow-master.ai", ""), at: Date.now() });
+  }
+});
+p.on("response", async (res) => {
+  const u = res.url();
+  if (/\/api\/(ea2|runtime)\//.test(u) && (res.request().method() === "POST" || res.request().method() === "PUT")) {
+    let body = "";
+    try { body = (await res.text()).slice(0, 200); } catch {}
+    console.log(`[resp ${res.status()}] ${res.request().method()} ${u.replace("https://canvas.flow-master.ai", "")} → ${body}`);
+  }
+});
+
+await p.goto(URL, { waitUntil: "networkidle" });
+await p.waitForTimeout(1500);
+await p.screenshot({ path: "qa/screenshots/audit/01-landing.png" });
+
+await p.locator("input[type='email']").fill("dev@flow-master.ai");
+await p.locator("button", { hasText: /developer|dev-login/i }).first().click();
+await p.waitForTimeout(2500);
+await p.screenshot({ path: "qa/screenshots/audit/02-after-login.png" });
+console.log("[after login] visible buttons:");
+for (const b of await p.locator("button").all()) {
+  const t = (await b.textContent())?.trim();
+  if (t) console.log("  -", t.slice(0, 60));
+}
+
+// Flip to LIVE mode (button labelled "Go live" on landing)
+const liveBtn = p.locator("button", { hasText: /^Go live$/ }).first();
+if (await liveBtn.count() > 0) {
+  await liveBtn.click();
+  await p.waitForTimeout(1200);
+  console.log("[step] clicked Go live");
+}
+console.log("[after Go live] visible buttons:");
+for (const b of await p.locator("button").all()) {
+  const t = (await b.textContent())?.trim();
+  if (t) console.log("  -", t.slice(0, 70));
+}
+
+// Open the wizard
+const designBtn = p.locator("button", { hasText: /Design a process/ }).first();
+if (await designBtn.count() > 0) {
+  await designBtn.click();
+  await p.waitForTimeout(1500);
+  console.log("[step] clicked Design a process");
+} else {
+  console.log("[warn] no 'Design a process' button found after Go live");
+}
+await p.screenshot({ path: "qa/screenshots/audit/03-wizard.png" });
+console.log("[after Design] body excerpt:");
+const body = await p.locator("body").innerText();
+console.log(body.slice(0, 500));
+
+console.log("=== writes during Wizard navigation only ===");
+const baselineWrites = writes.length;
+writes.slice().forEach((w) => console.log(`  ${w.method} ${w.path}`));
+
+// Type into the textarea (description), which is what gates Start Drafting
+const desc = p.locator("textarea").first();
+if (await desc.count() > 0) {
+  await desc.fill("When a store manager requests a new laptop, run a procurement approval");
+  console.log("\n[step] typed description into textarea");
+} else {
+  console.log("\n[warn] no textarea found");
+}
+const nameInput = p.locator("input[type='text']").first();
+if (await nameInput.count() > 0) {
+  await nameInput.fill("Laptop Procurement");
+}
+await p.waitForTimeout(400);
+const continueBtn = p.locator("button:not([disabled])", { hasText: /start drafting|continue|next|generate|analyze|confirm|publish/i }).first();
+if (await continueBtn.count() > 0) {
+  console.log(`[step] clicking "${(await continueBtn.textContent())?.trim()}"`);
+  await continueBtn.click();
+  await p.waitForTimeout(3500);
+}
+
+console.log(`\n=== writes after first 'Continue' (${writes.length - baselineWrites} new) ===`);
+writes.slice(baselineWrites).forEach((w) => console.log(`  ${w.method} ${w.path}`));
+
+// Try to click through more phases
+for (let i = 0; i < 6; i++) {
+  const next = p.locator("button:not([disabled])", { hasText: /confirm|continue|next|publish|save|accept|review/i }).first();
+  if (await next.count() === 0) break;
+  console.log(`[loop ${i}] clicking "${(await next.textContent())?.trim()}"`);
+  const before = writes.length;
+  await next.click().catch(() => {});
+  await p.waitForTimeout(2500);
+  if (writes.length === before) break;
+}
+
+console.log(`\n=== TOTAL ${writes.length} writes across full wizard run ===`);
+writes.forEach((w) => console.log(`  ${w.method} ${w.path}`));
+
+console.log("\n=== SUMMARY ===");
+const summary = writes.reduce((acc, w) => {
+  const key = `${w.method} ${w.path.split("?")[0].replace(/\/[a-f0-9]{8,}/g, "/{id}")}`;
+  acc[key] = (acc[key] || 0) + 1;
+  return acc;
+}, {});
+console.log(JSON.stringify(summary, null, 2));
+await b.close();
diff --git a/src/lib/wizardApi.ts b/src/lib/wizardApi.ts
index f4bba3c..b7e7a77 100644
--- a/src/lib/wizardApi.ts
+++ b/src/lib/wizardApi.ts
@@ -61,16 +61,23 @@ export const wizardApi = {
   },
 
   async applyBatch(flow_key: string, ops: BatchOperation[], actor: Actor, signal?: AbortSignal) {
+    const request_id =
+      typeof crypto !== "undefined" && "randomUUID" in crypto
+        ? crypto.randomUUID()
+        : `req-${Date.now()}-${Math.random().toString(36).slice(2, 10)}`;
     const res = await fetch(`${api.config.baseUrl}/api/ea2/apply-batch`, {
       method: "POST",
       headers: {
         Authorization: `Bearer ${sessionStorage.getItem("fm.mc.token.v1")}`,
         "Content-Type": "application/json",
       },
-      body: JSON.stringify({ flow_key, ops, actor }),
+      body: JSON.stringify({ flow_key, ops, actor, request_id }),
       signal,
     });
-    if (!res.ok) throw new Error(`applyBatch failed: ${res.status}`);
+    if (!res.ok) {
+      const detail = await res.text().catch(() => "");
+      throw new Error(`applyBatch ${res.status}: ${detail.slice(0, 200)}`);
+    }
     return res.json();
   },