Clarify catalog copy behavior

desktop/src/features/agents/ui/PersonaShareDialog.tsx

@@ -768,7 +768,7 @@ export function PersonaShareDialog({
                 Share to catalog
               </label>
               <p className="text-xs text-secondary-foreground/75">
-                Let anyone on this relay find and use this agent.
+                Let anyone on this relay find and use a copy of this agent.
               </p>
             </div>
             <div className="flex shrink-0 items-center gap-2">

desktop/tests/e2e/agents.spec.ts

@@ -915,7 +915,7 @@ test("custom personas share with people and keep export separate", async ({
   await expect(exportAgentRow).toHaveText("Export agent");
   await expect(catalogSection).toContainText("Share to catalog");
   await expect(catalogSection).toContainText(
-    "Let anyone on this relay find and use this agent.",
+    "Let anyone on this relay find and use a copy of this agent.",
   );
   await expect(catalogToggle).toHaveAttribute("aria-checked", "false");
   await expect(shareMainCard.getByTestId("persona-share-export")).toHaveCount(