diff --git a/examples/audiobook-curator/src/components/library-shelf.tsx b/examples/audiobook-curator/src/components/library-shelf.tsx
index 1cdf1d88c..ce71b64e3 100644
--- a/examples/audiobook-curator/src/components/library-shelf.tsx
+++ b/examples/audiobook-curator/src/components/library-shelf.tsx
@@ -13,6 +13,7 @@ export interface InspectionShelfProps {
 }
 
 const maximumCards = 20;
+const maximumCallouts = 20;
 
 interface RemainingFilesProps {
   readonly count: number;
@@ -53,9 +54,12 @@ export const InventoryShelf = ({ receipt }: InventoryShelfProps) => (
       <FileCard {...fileCardModel(file)} key={file.path} />
     ))}
     <RemainingFiles count={receipt.files.length} />
-    {receipt.errors.map((row, index) => (
+    {receipt.errors.slice(0, maximumCallouts).map((row, index) => (
       <Callout key={`${row.path}:${String(index)}`} tone="error">{`${row.path}: ${row.error}`}</Callout>
     ))}
+    {receipt.errors.length > maximumCallouts
+      ? <Agent.Markdown>{`_+${String(receipt.errors.length - maximumCallouts)} more probe errors retained in the structured receipt._`}</Agent.Markdown>
+      : null}
   </>
 );
 
diff --git a/examples/audiobook-curator/src/evidence.ts b/examples/audiobook-curator/src/evidence.ts
index 53a9b446f..1476da35c 100644
--- a/examples/audiobook-curator/src/evidence.ts
+++ b/examples/audiobook-curator/src/evidence.ts
@@ -147,9 +147,8 @@ const pythonMatcher = (python: string, process: MediaProcess): AcousticMatcher =
     const result = await process(python, ['-c', script, source, sample, String(options.chunkSeconds), options.verbose ? '1' : '0'], { signal: options.signal });
     const line = result.stdout.split(/\r?\n/u).findLast((candidate) => candidate.startsWith(resultMarker));
     if (line === undefined) throw new CuratorError('Audiolocate emitted no structured result.');
-    const parsed = JSON.parse(line.slice(resultMarker.length)) as JsonObject;
-    asRecord(parsed);
-    return Object.freeze(parsed);
+    const parsed = JSON.parse(line.slice(resultMarker.length)) as JsonValue;
+    return Object.freeze(asRecord(parsed)) as JsonObject;
   } catch (error) {
     throw new CuratorError(`Audiolocate is optional; install it for ${python}, or inject an acoustic matcher. ${errorMessage(error, '')}`.trim());
   }
diff --git a/examples/audiobook-curator/tests/evidence-parity.test.ts b/examples/audiobook-curator/tests/evidence-parity.test.ts
index 5af48c8ca..f701963d8 100644
--- a/examples/audiobook-curator/tests/evidence-parity.test.ts
+++ b/examples/audiobook-curator/tests/evidence-parity.test.ts
@@ -59,6 +59,32 @@ describe('optional identity evidence parity', () => {
     expect(receipt).toMatchObject({ exitCode: 0, verifiedRecording: true });
   });
 
+  it('normalizes non-object Audiolocate results to an empty fingerprint record', async () => {
+    const root = await mkdtemp(join(tmpdir(), 'curator-audiolocate-non-object-'));
+    roots.push(root);
+    const file = join(root, 'book.m4b');
+    await writeFile(file, 'book');
+
+    for (const output of ['null', '[1,2]']) {
+      const process: MediaProcess = async () => ({
+        stderr: '',
+        stdout: `__AGENT_BUNDLE_AUDIOLOCATE_RESULT__${output}\n`,
+      });
+      const receipt = await verifyAudibleSample({ asin: 'ASIN', file, sampleUrl: 'https://sample.example/book.mp3' }, {
+        audiolocatePython: 'python-test',
+        http: async () => Buffer.from('sample'),
+        process,
+      });
+
+      expect(receipt).toMatchObject({
+        exitCode: 2,
+        fingerprint: {},
+        verifiedRecording: false,
+      });
+      expect(Array.isArray(receipt.fingerprint)).toBe(false);
+    }
+  });
+
   it('deduplicates ranked ASINs and isolates candidate failures', async () => {
     const root = await mkdtemp(join(tmpdir(), 'curator-identify-'));
     roots.push(root);
diff --git a/examples/audiobook-curator/tests/route-unit/routes.test.ts b/examples/audiobook-curator/tests/route-unit/routes.test.ts
index 18a4e5e1c..ea380633c 100644
--- a/examples/audiobook-curator/tests/route-unit/routes.test.ts
+++ b/examples/audiobook-curator/tests/route-unit/routes.test.ts
@@ -1,4 +1,4 @@
-import { mkdir, mkdtemp, readFile, rm } from 'node:fs/promises';
+import { mkdir, mkdtemp, readFile, rm, writeFile } from 'node:fs/promises';
 import { tmpdir } from 'node:os';
 import { join } from 'node:path';
 
@@ -110,6 +110,37 @@ it('renders composed inspection and inventory tool documents with unchanged valu
   }
 });
 
+it('caps rendered inventory probe errors while retaining the complete receipt', async () => {
+  const directory = await mkdtemp(join(tmpdir(), 'curator-route-unit-inventory-errors-'));
+  const previousPath = process.env['PATH'];
+  try {
+    const source = join(directory, 'library');
+    await mkdir(source);
+    await Promise.all(Array.from({ length: 25 }, (_, index) =>
+      writeFile(join(source, `broken-${String(index)}.mp3`), 'not audio')));
+    process.env['PATH'] = directory;
+
+    const rendered = await renderRoute('tool:curator/inventory_sources', {
+      input: { source, strict: true },
+    });
+    const receipt = rendered.document.value as {
+      readonly errors: readonly unknown[];
+    };
+    if (rendered.document.root.kind !== 'result') throw new Error('expected inventory result document');
+    const errorCallouts = rendered.document.root.children.filter((node) => node.kind === 'error');
+
+    expect(receipt.errors).toHaveLength(25);
+    expect(errorCallouts).toHaveLength(20);
+    expectDocument(rendered)
+      .toContainMarkdown('_+5 more probe errors retained in the structured receipt._')
+      .toHaveValue(receipt);
+  } finally {
+    if (previousPath === undefined) delete process.env['PATH'];
+    else process.env['PATH'] = previousPath;
+    await rm(directory, { force: true, recursive: true });
+  }
+});
+
 it('renders the library-audit CLI route with in-flight progress and the canonical receipt (#102 stage 3)', async () => {
   const directory = await mkdtemp(join(tmpdir(), 'curator-route-unit-audit-'));
   try {