AIT-622: Image Studio leave-wait Library requestId deep-link (owner-safe)

app/image/page.tsx

@@ -604,9 +604,23 @@ export default function ImageStudioPage() {
     );
   }
 
+  /**
+   * AIT-576 residual chrome + AIT-622 leave-wait: owner deep-link or plain list.
+   * Lab / missing / non-private stay plain /library (never invent ?job=).
+   */
+  const imageLibraryHref = libraryWorkbenchHandoffHref({
+    demo,
+    privateResult: lastPrivateResult,
+    requestId: lastRequestId,
+  });
+  const imageLibraryHandoffKind = imageLibraryHref.includes("job=")
+    ? "request-id"
+    : "list";
+
   /**
    * Stop waiting on Image Studio without aborting the original still POST or
    * inventing a refund restore. User can open Library while the same request finishes.
+   * AIT-622: owner-safe deep-link via imageLibraryHref (same helper as residual chrome).
    */
   function leaveWaitingKeepBackground() {
     const plan = planGenerateWaitLeave("detach");
@@ -622,7 +636,8 @@ export default function ImageStudioPage() {
     setError(null);
     clearFailGate();
     // Soft client navigation keeps the original fetch alive in this document.
-    router.push("/library");
+    // Reuse residual chrome helper inputs (lastPrivateResult + lastRequestId).
+    router.push(imageLibraryHref);
   }
 
   async function generate(opts?: { prompt?: string; aspect?: string }) {
@@ -814,16 +829,6 @@ export default function ImageStudioPage() {
     ),
   });
 
-  /** AIT-576: residual Library chrome — owner deep-link or plain list. */
-  const imageLibraryHref = libraryWorkbenchHandoffHref({
-    demo,
-    privateResult: lastPrivateResult,
-    requestId: lastRequestId,
-  });
-  const imageLibraryHandoffKind = imageLibraryHref.includes("job=")
-    ? "request-id"
-    : "list";
-
   return (
     <div>
       <Suspense

scripts/generate-wait-honesty-regression.mjs

@@ -543,7 +543,9 @@ const read = (rel) => readFileSync(join(root, rel), "utf8");
   assert.match(imagePage, /data-generate-leave="cancel"/);
   assert.match(imagePage, /data-image-leave="detach"/);
   assert.match(imagePage, /Open Library · keep generating/);
-  assert.match(imagePage, /router\.push\(["']\/library["']\)/);
+  // AIT-622: owner-safe Library deep-link via imageLibraryHref (not bare /library)
+  assert.match(imagePage, /router\.push\(\s*imageLibraryHref\s*\)/);
+  assert.match(imagePage, /imageLibraryHref/);
   // Detach function never aborts primary, cancels ledger, or invents restore.
   {
     const leaveFn = imagePage.match(
@@ -553,7 +555,8 @@ const read = (rel) => readFileSync(join(root, rel), "utf8");
     assert.match(leaveFn, /planGenerateWaitLeave\("detach"\)/);
     assert.match(leaveFn, /abortRef\.current = null/);
     assert.match(leaveFn, /detachedWaitRef\.current = true/);
-    assert.match(leaveFn, /router\.push\(["']\/library["']\)/);
+    assert.match(leaveFn, /router\.push\(\s*imageLibraryHref\s*\)/);
+    assert.doesNotMatch(leaveFn, /router\.push\(\s*["']\/library["']\s*\)/);
     assert.doesNotMatch(leaveFn, /\.abort\s*\(/);
     assert.doesNotMatch(leaveFn, /cancelSessionStill|DELETE/);
     assert.doesNotMatch(leaveFn, /setFailCreditState/);

scripts/library-workbench-deeplink-smoke.mjs

@@ -1,8 +1,9 @@
 #!/usr/bin/env node
 /**
- * AIT-529 / AIT-392 / AIT-546 / AIT-568 / AIT-576 / AIT-558: Workbench +
+ * AIT-529 / AIT-392 / AIT-546 / AIT-568 / AIT-576 / AIT-558 / AIT-622: Workbench +
  * AfterPath + WaitStage + residual CreateStudio chips + Image residual Library
- * chrome + BatchStudio/Seller Pack done → requestId deep-link (owner-safe).
+ * chrome + Image leave-wait keep-background + BatchStudio/Seller Pack done →
+ * requestId deep-link (owner-safe).
  *
  * Source + pure-logic contract:
  * - libraryWorkbenchHandoffHref only deep-links live private + UUID requestId
@@ -14,6 +15,7 @@
  * - GenerateAfterPath Library chips use helper (fail-closed)
  * - GenerateWaitStage leave exposes libraryHref / handoff markers
  * - Image Studio residual Library chrome uses helper; Lab/missing fail-closed
+ * - Image leaveWaitingKeepBackground reuses imageLibraryHref (not bare /library)
  * - BatchStudio / Seller Pack post-pack Library CTAs reuse same helper
  * - LibraryGrid matches deep-link by id or requestId; missing/foreign → not-your-toy
  *
@@ -360,6 +362,35 @@ assert.match(
   /href=\{imageLibraryHref\}/,
   "Image residual Library chrome must bind imageLibraryHref"
 );
+assert.match(
+  imageStudio,
+  /router\.push\(\s*imageLibraryHref\s*\)/,
+  "Image leave-wait keep-background must hand off owner-safe Library href"
+);
+{
+  const leaveFn = imageStudio.match(
+    /function leaveWaitingKeepBackground\(\) \{[\s\S]*?\n  \}/
+  )?.[0];
+  assert.ok(
+    leaveFn,
+    "leaveWaitingKeepBackground must exist on Image Studio"
+  );
+  assert.match(
+    leaveFn,
+    /router\.push\(\s*imageLibraryHref\s*\)/,
+    "leaveWaitingKeepBackground must push imageLibraryHref (not bare /library)"
+  );
+  assert.doesNotMatch(
+    leaveFn,
+    /router\.push\(\s*["']\/library["']\s*\)/,
+    "leaveWaitingKeepBackground must not hardcode plain /library"
+  );
+  assert.doesNotMatch(
+    leaveFn,
+    /\/library\?job=/,
+    "leaveWaitingKeepBackground must never invent hardcoded ?job="
+  );
+}
 assert.match(
   imageStudio,
   /data-library-handoff=/,