fix(daemon): auto-shutdown when last LSP server entry is evicted

src/daemon.ts

@@ -107,6 +107,11 @@ function evict(entry: ClientEntry, reason: string) {
   entries.delete(entry.key);
   if (entry.idleTimer) clearTimeout(entry.idleTimer);
   void entry.client.dispose();
+  // Auto Shutdown - If this was the last entry, there's nothing left to
+  // manage. Tear down the daemon so it doesn't sit idle forever.
+  if (entries.size === 0) {
+    shutdownDaemon("all entries evicted");
+  }
 }
 
 // Sync File - Ensures the language server has the current contents of the