fix(cli): harden no-daemon teardown

src/client.ts

@@ -252,15 +252,22 @@ export class LspClient {
   }
 
   // Dispose - Best-effort shutdown; kills the process if it doesn't exit.
-  async dispose(): Promise<void> {
+  async dispose(options: { graceful?: boolean } = {}): Promise<void> {
+    const graceful = options.graceful ?? true;
     if (this.conn) {
-      try {
-        await this.conn.sendRequest("shutdown", undefined);
-        this.conn.sendNotification("exit");
-      } catch {
-        // Ignore - we're tearing down anyway.
+      if (graceful) {
+        try {
+          await this.conn.sendRequest("shutdown", undefined);
+          this.conn.sendNotification("exit");
+        } catch {
+          // Ignore - we're tearing down anyway.
+        }
+      }
+      try {
+        this.conn.dispose();
+      } catch {
+        // Ignore - connection may already be closed.
       }
-      this.conn.dispose();
     }
     if (this.proc && !this.proc.killed) {
       this.proc.kill();