fix(launch): scope batch validation to PTYs

packages/coding-agent/src/launch/broker.ts

@@ -431,7 +431,7 @@ class DaemonBroker {
 		if (spec.detached && spec.pty) {
 			throw new Error("A detached daemon cannot allocate a PTY");
 		}
-		if (process.platform === "win32" && [".bat", ".cmd"].includes(path.extname(spec.application).toLowerCase())) {
+		if (spec.pty && process.platform === "win32" && [".bat", ".cmd"].includes(path.extname(spec.application).toLowerCase())) {
 			throw new Error('Windows batch files require application "cmd.exe" with the batch path after "/c"');
 		}
 		const existing = this.#records.get(spec.name);

packages/natives/native/index.d.ts

@@ -86,7 +86,10 @@ export declare class PtySession {
   constructor()
   /** Start a shell command and stream output chunks via callback. */
   start(options: PtyStartOptions, onChunk?: ((error: Error | null, chunk: string) => void) | undefined | null): Promise<PtyRunResult>
-  /** Start an executable with separate arguments and stream output chunks via callback. */
+  /**
+   * Start an executable with separate arguments and stream output chunks via
+   * callback.
+   */
   startArgv(options: PtyArgvStartOptions, onChunk?: ((error: Error | null, chunk: string) => void) | undefined | null): Promise<PtyRunResult>
   /** Write raw input bytes to PTY stdin. */
   write(data: string): void