Rename Share trace → Share replay

src/lib/TraceViewer.svelte

@@ -325,7 +325,7 @@
         type="button"
         onclick={shareTrace}
         disabled={messages.length === 0 || loading}
-        title="Copy a shareable link to this trace"
+        title="Copy a shareable link to this replay"
         class="inline-flex items-center gap-1.5 px-3 py-1 bg-white border border-[#ffd21e] rounded text-[12px] font-semibold text-[#8a6b00] hover:bg-[#fffbe6] disabled:opacity-40 disabled:cursor-not-allowed cursor-pointer transition-colors shrink-0"
       >
         {#if copied}
@@ -346,7 +346,7 @@
               d="M3 12a1 1 0 1 0-2 0v1a2 2 0 0 0 2 2h10a2 2 0 0 0 2-2v-1a1 1 0 1 0-2 0v1H3v-1z"
             />
           </svg>
-          <span>Share trace</span>
+          <span>Share replay</span>
         {/if}
       </button>
     </div>