chore: remove "single connection only" messaging

src/lib/components/ConversationTabs.svelte

@@ -192,8 +192,8 @@
             {conversation.name}
           </span>
           {#if id !== activeConversationId && id === connectedConversationId}
-            <span class="text-xs text-[var(--text-tertiary)]" title="This tab has the active Claude connection">
-              (active)
+            <span class="text-xs text-[var(--text-tertiary)]" title="This tab has the Claude connection">
+              (connected)
             </span>
           {/if}
           {#if hasUnreadMessages(id, conversation)}
@@ -233,7 +233,7 @@
   <button
     onclick={createNewTab}
     class="new-tab-btn flex items-center justify-center w-7 h-7 rounded hover:bg-[var(--bg-tertiary)] text-[var(--text-secondary)] transition-colors"
-    title="New conversation (Ctrl+T)&#10;Note: Only one tab can be connected at a time"
+    title="New conversation (Ctrl+T)"
   >
     <svg
       class="w-4 h-4"