diff --git a/ui/src/adapters/transcript.test.ts b/ui/src/adapters/transcript.test.ts
new file mode 100644
index 00000000..8b56163e
--- /dev/null
+++ b/ui/src/adapters/transcript.test.ts
@@ -0,0 +1,30 @@
+import { describe, expect, it } from "vitest";
+import { buildTranscript, type RunLogChunk } from "./transcript";
+
+describe("buildTranscript", () => {
+  const ts = "2026-03-20T13:00:00.000Z";
+  const chunks: RunLogChunk[] = [
+    { ts, stream: "stdout", chunk: "opened /Users/dotta/project\n" },
+    { ts, stream: "stderr", chunk: "stderr /Users/dotta/project" },
+  ];
+
+  it("defaults username censoring to off when options are omitted", () => {
+    const entries = buildTranscript(chunks, (line, entryTs) => [{ kind: "stdout", ts: entryTs, text: line }]);
+
+    expect(entries).toEqual([
+      { kind: "stdout", ts, text: "opened /Users/dotta/project" },
+      { kind: "stderr", ts, text: "stderr /Users/dotta/project" },
+    ]);
+  });
+
+  it("still redacts usernames when explicitly enabled", () => {
+    const entries = buildTranscript(chunks, (line, entryTs) => [{ kind: "stdout", ts: entryTs, text: line }], {
+      censorUsernameInLogs: true,
+    });
+
+    expect(entries).toEqual([
+      { kind: "stdout", ts, text: "opened /Users/d****/project" },
+      { kind: "stderr", ts, text: "stderr /Users/d****/project" },
+    ]);
+  });
+});
diff --git a/ui/src/adapters/transcript.ts b/ui/src/adapters/transcript.ts
index 238764ae..98b19454 100644
--- a/ui/src/adapters/transcript.ts
+++ b/ui/src/adapters/transcript.ts
@@ -29,7 +29,7 @@ export function buildTranscript(
 ): TranscriptEntry[] {
   const entries: TranscriptEntry[] = [];
   let stdoutBuffer = "";
-  const redactionOptions = { enabled: opts?.censorUsernameInLogs ?? true };
+  const redactionOptions = { enabled: opts?.censorUsernameInLogs ?? false };
 
   for (const chunk of chunks) {
     if (chunk.stream === "stderr") {
diff --git a/ui/src/pages/InstanceExperimentalSettings.tsx b/ui/src/pages/InstanceExperimentalSettings.tsx
index 0a19ffd2..ac04ae07 100644
--- a/ui/src/pages/InstanceExperimentalSettings.tsx
+++ b/ui/src/pages/InstanceExperimentalSettings.tsx
@@ -83,15 +83,15 @@ export function InstanceExperimentalSettings() {
             aria-label="Toggle isolated workspaces experimental setting"
             disabled={toggleMutation.isPending}
             className={cn(
-              "relative inline-flex h-6 w-11 items-center rounded-full transition-colors disabled:cursor-not-allowed disabled:opacity-60",
+              "relative inline-flex h-5 w-9 items-center rounded-full transition-colors disabled:cursor-not-allowed disabled:opacity-60",
               enableIsolatedWorkspaces ? "bg-green-600" : "bg-muted",
             )}
             onClick={() => toggleMutation.mutate(!enableIsolatedWorkspaces)}
           >
             <span
               className={cn(
-                "inline-block h-4.5 w-4.5 rounded-full bg-white transition-transform",
-                enableIsolatedWorkspaces ? "translate-x-6" : "translate-x-0.5",
+                "inline-block h-3.5 w-3.5 rounded-full bg-white transition-transform",
+                enableIsolatedWorkspaces ? "translate-x-4.5" : "translate-x-0.5",
               )}
             />
           </button>
diff --git a/ui/src/pages/InstanceGeneralSettings.tsx b/ui/src/pages/InstanceGeneralSettings.tsx
index b73f488e..9720c98f 100644
--- a/ui/src/pages/InstanceGeneralSettings.tsx
+++ b/ui/src/pages/InstanceGeneralSettings.tsx
@@ -82,15 +82,15 @@ export function InstanceGeneralSettings() {
             aria-label="Toggle username log censoring"
             disabled={toggleMutation.isPending}
             className={cn(
-              "relative inline-flex h-6 w-11 items-center rounded-full transition-colors disabled:cursor-not-allowed disabled:opacity-60",
+              "relative inline-flex h-5 w-9 items-center rounded-full transition-colors disabled:cursor-not-allowed disabled:opacity-60",
               censorUsernameInLogs ? "bg-green-600" : "bg-muted",
             )}
             onClick={() => toggleMutation.mutate(!censorUsernameInLogs)}
           >
             <span
               className={cn(
-                "inline-block h-4.5 w-4.5 rounded-full bg-white transition-transform",
-                censorUsernameInLogs ? "translate-x-6" : "translate-x-0.5",
+                "inline-block h-3.5 w-3.5 rounded-full bg-white transition-transform",
+                censorUsernameInLogs ? "translate-x-4.5" : "translate-x-0.5",
               )}
             />
           </button>