From a2c758e34378cfe56a113e85eb3e22e3b78b56fb Mon Sep 17 00:00:00 2001
From: "prompt.ac/@jeffrey" <mail@aesthetic.computer>
Date: Mon, 21 Sep 2026 13:22:07 -0700
Subject: [PATCH] Wait for requested piece before reporting boot success

---
 system/public/aesthetic.computer/bios.mjs | 13 +++++++------
 system/tests/boot-telemetry.test.mjs      | 20 ++++++++++++++++++++
 2 files changed, 27 insertions(+), 6 deletions(-)

diff --git a/system/public/aesthetic.computer/bios.mjs b/system/public/aesthetic.computer/bios.mjs
index 0ea850a365..67521d0adb 100644
--- a/system/public/aesthetic.computer/bios.mjs
+++ b/system/public/aesthetic.computer/bios.mjs
@@ -19353,12 +19353,13 @@ async function boot(parsed, bpm = 60, resolution, debug) {
     }
 
     if (type === "disk-loaded-and-booted") {
-      perf.markBoot("disk-loaded-and-booted");
-
-      // 🧾 Boot telemetry: the disk loaded and ran its boot lifecycle — the real
-      // "boot succeeded" moment, fired for every piece whether or not it defines
-      // a custom paint. Idempotent in boot.mjs, so later navigations are no-ops.
-      window.acBOOT_SUCCESS?.();
+      // The worker also boots a blank init disk before the requested piece
+      // loads. Its ready signal cannot finish page telemetry or freeze timings.
+      // A real piece need not define paint; its completed boot is sufficient.
+      if (currentPiece !== null) {
+        perf.markBoot("disk-loaded-and-booted");
+        window.acBOOT_SUCCESS?.(); // Idempotent across later navigations.
+      }
 
       // Skip preload marker on default init piece, and toggle it if necessary.
       if (currentPiece !== null && !window.waitForPreload)
diff --git a/system/tests/boot-telemetry.test.mjs b/system/tests/boot-telemetry.test.mjs
index 73bdbe4f3a..e748531451 100644
--- a/system/tests/boot-telemetry.test.mjs
+++ b/system/tests/boot-telemetry.test.mjs
@@ -130,3 +130,23 @@ test("malformed boot metadata is rejected before opening a database connection",
     assert.equal(result.statusCode,400);
   }
 });
+
+test("blank init disk cannot finish boot telemetry before the requested piece",()=>{
+  const source=readFileSync(new URL("../public/aesthetic.computer/bios.mjs",import.meta.url),"utf8");
+  const start=source.indexOf('    if (type === "disk-loaded-and-booted") {');
+  const handler=source.slice(start,source.indexOf('    // 🎨 Hide boot canvas',start));
+  const marks=[],timers=[];let successes=0;
+  const context=vm.createContext({type:"disk-loaded-and-booted",currentPiece:null,
+    perf:{markBoot:mark=>marks.push(mark),printReport(){}},
+    window:{acBOOT_SUCCESS:()=>successes++,waitForPreload:false},
+    restoreWalletSession:async()=>{},setTimeout:fn=>timers.push(fn)});
+  vm.runInContext(handler,context);
+  assert.equal(successes,0);assert.equal(marks.length,0);assert.equal(timers.length,0);
+  assert.equal(context.window.preloaded,undefined);
+  // No custom paint or preload signal is needed to recognize the real boot.
+  context.currentPiece="aesthetic.computer/disks/synthetic";
+  context.window.waitForPreload=true;
+  vm.runInContext(handler,context);
+  assert.equal(successes,1);assert.deepEqual(marks,["disk-loaded-and-booted"]);
+  assert.equal(timers.length,1);
+});
-- 
2.51.2