diff --git a/scripts/lib/tech-log-serving-contract.ts b/scripts/lib/tech-log-serving-contract.ts
index aa93419..63ad5d2 100644
--- a/scripts/lib/tech-log-serving-contract.ts
+++ b/scripts/lib/tech-log-serving-contract.ts
@@ -33,6 +33,11 @@ const staticPublicPaths = Object.freeze([
 
 const studioSpaPathPatterns = Object.freeze([
   "^/studio$",
+  // The Asset Library is a first-class Studio route (TECH_LOG_STUDIO_ASSETS in
+  // the route contract) but was never listed here, so a hard navigation or a
+  // reload of /studio/assets was served the in-shell Studio 404 -- the screen
+  // was only reachable by client-side navigation from another Studio page.
+  "^/studio/assets$",
   "^/studio/documents$",
   "^/studio/documents/new$",
   "^/studio/documents/[^/]+/(edit|validation|preview|publish)$",
diff --git a/tests/support/browser/tech-log-fixtures.ts b/tests/support/browser/tech-log-fixtures.ts
index 45fc049..4deab5d 100644
--- a/tests/support/browser/tech-log-fixtures.ts
+++ b/tests/support/browser/tech-log-fixtures.ts
@@ -28,6 +28,7 @@ export const TECH_LOG_CANONICAL_ROUTES = [
   { routeId: "TECH_LOG_STUDIO_DOCUMENT_PUBLISH", path: "/studio/documents/11111111-1111-4111-8111-111111111113/publish", layout: "STUDIO" },
   { routeId: "TECH_LOG_STUDIO_PUBLICATIONS", path: "/studio/publications", layout: "STUDIO" },
   { routeId: "TECH_LOG_STUDIO_PUBLICATION_PREVIEW", path: "/studio/publications/66666666-6666-4666-8666-666666666661/preview", layout: "STUDIO" },
+  { routeId: "TECH_LOG_STUDIO_ASSETS", path: "/studio/assets", layout: "STUDIO" },
   { routeId: "TECH_LOG_STUDIO_NOT_FOUND", path: "/studio/unknown-screen", layout: "STUDIO" },
   { routeId: "NOT_FOUND", path: "/unknown-public-screen", layout: "PUBLIC" },
 ] as const;
@@ -82,6 +83,7 @@ export const TECH_LOG_STUDIO_STATE_PATHS = [
   ["publish-ready", "/studio/documents/11111111-1111-4111-8111-111111111113/publish"],
   ["publish-blocked", "/studio/documents/11111111-1111-4111-8111-111111111114/publish"],
   ["publications", "/studio/publications"],
+  ["asset-library", "/studio/assets"],
   ["publication-snapshot", "/studio/publications/66666666-6666-4666-8666-666666666661/preview"],
   ["missing-document", "/studio/documents/99999999-9999-4999-8999-999999999999/edit"],
   ["missing-publication", "/studio/publications/99999999-9999-4999-8999-999999999999/preview"],
diff --git a/tests/unit/tech-log-serving-contract.test.ts b/tests/unit/tech-log-serving-contract.test.ts
index 867c88f..2387067 100644
--- a/tests/unit/tech-log-serving-contract.test.ts
+++ b/tests/unit/tech-log-serving-contract.test.ts
@@ -47,6 +47,7 @@ describe("TechLog production serving contract", () => {
     expect(contract.studioPathPrefix).toBe("/studio");
     expect(contract.studioSpaPathPatterns).toEqual([
       "^/studio$",
+      "^/studio/assets$",
       "^/studio/documents$",
       "^/studio/documents/new$",
       "^/studio/documents/[^/]+/(edit|validation|preview|publish)$",
diff --git a/tests/visual/__snapshots__/tech-log.visual.spec.ts-snapshots/tech-log-studio-asset-library-1440-chromium-linux.png b/tests/visual/__snapshots__/tech-log.visual.spec.ts-snapshots/tech-log-studio-asset-library-1440-chromium-linux.png
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diff --git a/tests/visual/__snapshots__/tech-log.visual.spec.ts-snapshots/tech-log-studio-assets-1440-chromium-linux.png b/tests/visual/__snapshots__/tech-log.visual.spec.ts-snapshots/tech-log-studio-assets-1440-chromium-linux.png
new file mode 100644
index 0000000..a9e5965
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diff --git a/tests/visual/__snapshots__/tech-log.visual.spec.ts-snapshots/tech-log-studio-assets-360-chromium-linux.png b/tests/visual/__snapshots__/tech-log.visual.spec.ts-snapshots/tech-log-studio-assets-360-chromium-linux.png
new file mode 100644
index 0000000..1077a8d
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