@@ -1631,7 +1631,8 @@ describe('#9084 — the rest-server.ts transport tripwire keys off mechanics', (
     // [#23050 slice 7] Length 7 → 8 (`discovery-routes.ts`), still 0 over it.
     // [#23050 slice 8] Length 8 → 9 (`email-routes.ts`), still 0 over it.
     // [#23050 slice 9] Length 9 → 10 (`search-routes.ts`), still 0 over it.
-    expect(REST_SERVER_REGISTRAR_FILES).toHaveLength(10);
+    // [#23050 slice 10] Length 10 → 11 (`ui-routes.ts`), still 0 over it.
+    expect(REST_SERVER_REGISTRAR_FILES).toHaveLength(11);
     expect(REST_SERVER_REGISTRAR_PATHS[0]).toBe(REST_SERVER);
     const listed = REST_SERVER_REGISTRAR_PATHS.map((file) => readFileSync(join(REPO_ROOT, file), 'utf8'));
     for (const probe of [MECHANICS, ROUTES]) {
 
@@ -520,12 +520,12 @@ export const PROBE_FILE_CENSUS: readonly ProbeFileReading[] = [
       'terminator spelling), PLUS `registerPerItemRoute(` call sites; counted over this file AND every ' +
       'module on the registrar list (`packages/rest/src/rest-server-registrar-files.ts`) — ' +
       '`data-action-routes.ts`, `batch-routes.ts`, `approvals-routes.ts`, `sharing-routes.ts`, ' +
-      '`analytics-routes.ts`, `security-routes.ts`, `discovery-routes.ts`, `email-routes.ts` and ' +
-      '`search-routes.ts`, the modules the bodies of `registerDataActionEndpoints`, `registerBatchEndpoints`, ' +
-      '`registerApprovalsEndpoints`, `registerSharingEndpoints`, `registerSharingRuleEndpoints`, ' +
-      '`registerAnalyticsEndpoints`, `registerSecurityExplainEndpoints`, `registerSecurityEndpoints`, ' +
-      '`registerDiscoveryEndpoints`, `registerOpenApiEndpoints`, `registerEmailEndpoints` and ' +
-      '`registerSearchEndpoints` moved to; ' +
+      '`analytics-routes.ts`, `security-routes.ts`, `discovery-routes.ts`, `email-routes.ts`, ' +
+      '`search-routes.ts` and `ui-routes.ts`, the modules the bodies of `registerDataActionEndpoints`, ' +
+      '`registerBatchEndpoints`, `registerApprovalsEndpoints`, `registerSharingEndpoints`, ' +
+      '`registerSharingRuleEndpoints`, `registerAnalyticsEndpoints`, `registerSecurityExplainEndpoints`, ' +
+      '`registerSecurityEndpoints`, `registerDiscoveryEndpoints`, `registerOpenApiEndpoints`, ' +
+      '`registerEmailEndpoints`, `registerSearchEndpoints` and `registerUiEndpoints` moved to; ' +
       'reachable = those inside registerMetadataEndpoints',
     // [#15542 / #15854] ⭐ THE POPULATION RULE LEARNED A SECOND SPELLING, and
     // the numbers it produces did NOT move: 80 / 19 / 61, exactly as before.
@@ -758,10 +758,22 @@ export const PROBE_FILE_CENSUS: readonly ProbeFileReading[] = [
     // new occurrences are this slice's seam, the same two spellings once (the
     // host literal's forwarder, two; the host interface's member, two). No call
     // site was added.
+    // [#23050 slice 10] 70 / 19 / 51 UNCHANGED, the same measurement again:
+    // `registerUiEndpoints`' body (one registration site, `GET
+    // {base}/ui/view/:object/:type`, outside `registerMetadataEndpoints`, so in
+    // the blind spot) moved to `ui-routes.ts`, which joins the list (length
+    // 10 -> 11) with its own control. `this.routeManager.register(` stays 63
+    // over the eleven files (20 here + 9 + 5 + 7 + 8 + 1 + 6 + 4 + 1 + 1 + 1),
+    // `private register*Endpoints(` stays 16 (the registrar is still declared
+    // here), and `enforceAuth` 104 -> 108 is RE-ANCHORED, not relaxed: the one
+    // call site moved with its route and is counted in both readings; the four
+    // new occurrences are this slice's seam, the same two spellings once (the
+    // host literal's forwarder, two; the host interface's member, two). No call
+    // site was added.
     controls: {
       'private register*Endpoints(': 16,
       'this.routeManager.register(': 63,
-      'registrar list length': 10,
+      'registrar list length': 11,
       'data-action-routes.ts: this.routeManager.register(': 9,
       'batch-routes.ts: this.routeManager.register(': 5,
       'approvals-routes.ts: this.routeManager.register(': 7,
@@ -771,14 +783,15 @@ export const PROBE_FILE_CENSUS: readonly ProbeFileReading[] = [
       'discovery-routes.ts: this.routeManager.register(': 4,
       'email-routes.ts: this.routeManager.register(': 1,
       'search-routes.ts: this.routeManager.register(': 1,
+      'ui-routes.ts: this.routeManager.register(': 1,
       // Both halves of the new rule carry their own control, so neither can go
       // silently to zero: a helper deleted and its routes inlined back would
       // still read population 80, and only these two controls would notice the
       // shape moved and force this provenance to be re-read.
       'registerPerItemRoute(': 8,
       'const registerPerItemRoute =': 1,
       'forwarder slice: this.routeManager.register(': 1,
-      enforceAuth: 104,
+      enforceAuth: 108,
     },
     note:
       'The single non-tripwire probe names ONE registrar of 16. The other 15 can never mint a key: ' +
 
@@ -109,6 +109,9 @@ const SOURCE = readFileSync(resolve(HERE, 'rest-server.ts'), 'utf8');
  *
  * [#23050 slice 9] …and `registerSearchEndpoints`' body to `search-routes.ts`,
  * with its one.
+ *
+ * [#23050 slice 10] …and `registerUiEndpoints`' body to `ui-routes.ts`, with
+ * its one.
  */
 const SITE_FILES = REST_SERVER_REGISTRAR_FILES;
 const SOURCES = new Map<string, string>(SITE_FILES.map((file) => [
@@ -123,8 +126,9 @@ const siteKey = (file: string, line: number) => `${file}:${line}`;
  * `registerSharingRuleEndpoints`, `registerAnalyticsEndpoints`,
  * `registerSecurityExplainEndpoints`, `registerSecurityEndpoints`,
  * `registerOpenApiEndpoints`, `registerEmailEndpoints`,
- * `registerSearchEndpoints`) hands its moved body forwards each member to the
- * server with `(...a) => this.<member>(...a)`, so a moved site's stack shows
+ * `registerSearchEndpoints`, `registerUiEndpoints`) hands its moved body
+ * forwards each member to the server with `(...a) => this.<member>(...a)`, so
+ * a moved site's stack shows
  * that forwarder above the site itself. The site is the first censused frame
  * that is not one. Found by their spelling, and §2 pins ONE per moved
  * REGISTRAR whose body reads the seam — one per moved module, plus
@@ -680,9 +684,20 @@ describe('[#13160] §2 the consumer surface, counted from the tree', () => {
         // mentions in). Eleven forwarders now: (10 - 1) + 3 - 1, the module
         // carrying one registrar that reads the seam, so neither map gains an
         // entry.
-        expect(SITE_FILES).toHaveLength(10);
+        //
+        // [#23050 slice 10] 62 sites UNCHANGED / 121 → 125 mentions — the same MOVE.
+        // `registerUiEndpoints`' body left for `ui-routes.ts` with its one BARE
+        // site (guarded on its next line, as before):
+        // 22 + 9 + 5 + 7 + 8 + 1 + 5 + 2 + 1 + 1 + 1 = 62 sites. The four new
+        // mentions are this slice's seam, the two spellings once (its host
+        // literal's forwarder, two; its host interface's member, two):
+        // `rest-server.ts` goes 59 → 60 (one site out, one forwarder's two
+        // mentions in). Twelve forwarders now: (11 - 1) + 3 - 1, the module
+        // carrying one registrar that reads the seam, so neither map gains an
+        // entry.
+        expect(SITE_FILES).toHaveLength(11);
         expect(SITES.length).toBe(62);
-        expect([...SOURCES.values()].reduce((n, text) => n + text.split('resolveExecCtx').length - 1, 0)).toBe(121);
+        expect([...SOURCES.values()].reduce((n, text) => n + text.split('resolveExecCtx').length - 1, 0)).toBe(125);
         const extraMovedRegistrars = Object.values(EXTRA_MOVED_REGISTRARS).reduce((n, k) => n + (k ?? 0), 0);
         expect(extraMovedRegistrars).toBe(3);
         const registrarsReadingNoExecCtx = Object.values(MOVED_REGISTRARS_READING_NO_EXECCTX).reduce((n, k) => n + (k ?? 0), 0);
 
@@ -254,7 +254,9 @@ describe('[#20338] census: every draft switch in rest-server.ts is ledgered', ()
         // 8 = 6 + 0 + 0 + 0 + 0 + 2 + 0 + 0 + 0, length 8 → 9. [#23050 slice 9]
         // Nor does the global search body (`search-routes.ts`):
         // 8 = 6 + 0 + 0 + 0 + 0 + 2 + 0 + 0 + 0 + 0, length 9 → 10.
-        expect(REST_SERVER_REGISTRAR_FILES).toHaveLength(10);
+        // [#23050 slice 10] Nor does the UI view body (`ui-routes.ts`):
+        // 8 = 6 + 0 + 0 + 0 + 0 + 2 + 0 + 0 + 0 + 0 + 0, length 10 → 11.
+        expect(REST_SERVER_REGISTRAR_FILES).toHaveLength(11);
         expect(SOURCE_FILES.map((file) => file.fileName)).toEqual([...REST_SERVER_REGISTRAR_FILES]);
         expect(SITES).toHaveLength(8);
     });
 
@@ -154,6 +154,11 @@ interface CensusEntry {
  * body (`search-routes.ts`) builds no `query:` literal either — it hands
  * `searchAll` a `q` / `objects` / `limit` / `perObject` request read off
  * `req.query`, never a `query:` slot.
+ *
+ * [#23050 slice 10] 4 = 1 + 3 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0: the UI view
+ * body (`ui-routes.ts`) builds no `query:` literal either — it hands
+ * `getUiView` an `{ object, type }` request read off the path, never a
+ * `query:` slot.
  */
 const REGISTRAR_QUERY_SLOT_FLOORS: Readonly<Record<RestServerRegistrarFile, number>> = {
     'rest-server.ts': 1,
@@ -166,6 +171,7 @@ const REGISTRAR_QUERY_SLOT_FLOORS: Readonly<Record<RestServerRegistrarFile, numb
     'discovery-routes.ts': 0,
     'email-routes.ts': 0,
     'search-routes.ts': 0,
+    'ui-routes.ts': 0,
 };
 
 const CENSUS: CensusEntry[] = [
@@ -359,7 +365,8 @@ describe('[#16638] §1 CONTROLS on the census instrument itself', () => {
         // [#23050 slice 7] Length 7 → 8, the sum unchanged.
         // [#23050 slice 8] Length 8 → 9, the sum unchanged.
         // [#23050 slice 9] Length 9 → 10, the sum unchanged.
-        expect(REST_SERVER_REGISTRAR_FILES).toHaveLength(10);
+        // [#23050 slice 10] Length 10 → 11, the sum unchanged.
+        expect(REST_SERVER_REGISTRAR_FILES).toHaveLength(11);
         expect(Object.keys(REGISTRAR_QUERY_SLOT_FLOORS).sort()).toEqual([...REST_SERVER_REGISTRAR_FILES].sort());
         expect(CENSUS.filter(({ file }) => REGISTRAR_SOURCES.has(file)).map(({ file }) => file))
             .toEqual([...REST_SERVER_REGISTRAR_FILES]);
 
@@ -175,6 +175,13 @@ describe('rest-server.ts docblock position', () => {
  * the module header, the host interface's block and the function's. The global
  * search body held no TSDoc block of its own, so `rest-server.ts` keeps every
  * block it had (164).
+ *
+ * [#23050 slice 10] `ui-routes.ts` carries four, as `data-action-routes.ts`
+ * does: the module header, the moved alias's block (`TransportScopedMetaRequest`
+ * went with the UI view body, as `ServerScopedDataRequest` went with slice 1's),
+ * the host interface's block and the function's. The UI view body held no TSDoc
+ * block of its own, so `rest-server.ts` gives up only the alias's block
+ * (164 → 163 there, still far above its floor).
  */
 const MOVED_FILE_FLOORS: Readonly<Record<Exclude<RestServerRegistrarFile, typeof FILE>, number>> = {
     'data-action-routes.ts': 4,
@@ -186,6 +193,7 @@ const MOVED_FILE_FLOORS: Readonly<Record<Exclude<RestServerRegistrarFile, typeof
     'discovery-routes.ts': 5,
     'email-routes.ts': 3,
     'search-routes.ts': 3,
+    'ui-routes.ts': 4,
 };
 const MOVED_FILES: ReadonlyArray<{ file: string; minBlocks: number }> = REST_SERVER_REGISTRAR_FILES
     .filter((file): file is Exclude<RestServerRegistrarFile, typeof FILE> => file !== FILE)
@@ -219,9 +227,10 @@ describe('[#23050 slice 3] the registrar list this pin reads', () => {
         // [#23050 slice 7] 4 + 3 + 3 + 8 + 3 + 8 + 5 = 34 over seven, length 7 → 8.
         // [#23050 slice 8] 4 + 3 + 3 + 8 + 3 + 8 + 5 + 3 = 37 over eight, length 8 → 9.
         // [#23050 slice 9] 4 + 3 + 3 + 8 + 3 + 8 + 5 + 3 + 3 = 40 over nine, length 9 → 10.
-        expect(REST_SERVER_REGISTRAR_FILES).toHaveLength(10);
+        // [#23050 slice 10] 4 + 3 + 3 + 8 + 3 + 8 + 5 + 3 + 3 + 4 = 44 over ten, length 10 → 11.
+        expect(REST_SERVER_REGISTRAR_FILES).toHaveLength(11);
         expect(Object.keys(MOVED_FILE_FLOORS).sort())
             .toEqual(REST_SERVER_REGISTRAR_FILES.filter((file) => file !== FILE).sort());
-        expect(MOVED_FILES.reduce((n, { minBlocks }) => n + minBlocks, 0)).toBe(40);
+        expect(MOVED_FILES.reduce((n, { minBlocks }) => n + minBlocks, 0)).toBe(44);
     });
 });
@@ -330,7 +330,10 @@ describe('#20139 census — every numeric coercion in rest-server.ts is classifi
         // Nor does the global search body (`search-routes.ts`): it READS its two
         // caps through `readDeclaredQueryNumber`, never coerces one:
         // 9 = 8 + 1 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0, length 9 → 10.
-        expect(REST_SERVER_REGISTRAR_FILES).toHaveLength(10);
+        // [#23050 slice 10] Nor does the UI view body (`ui-routes.ts`): it reads
+        // only the two path parameters, as strings:
+        // 9 = 8 + 1 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0, length 10 → 11.
+        expect(REST_SERVER_REGISTRAR_FILES).toHaveLength(11);
         expect(SOURCES.map(([file]) => file)).toEqual([...REST_SERVER_REGISTRAR_FILES]);
         expect(sites).toHaveLength(9);
     });
 
@@ -47,6 +47,8 @@ export const REST_SERVER_REGISTRAR_FILES = [
     'email-routes.ts',
     // [#23050 slice 9] `registerSearchEndpoints`' body.
     'search-routes.ts',
+    // [#23050 slice 10] `registerUiEndpoints`' body.
+    'ui-routes.ts',
 ] as const;
 
 /** One file on {@link REST_SERVER_REGISTRAR_FILES}. */