fix: cap abortable daytona execWithArgs output

Author: cursoragent

packages/core/src/sandbox/daytona-sandbox.ts

@@ -331,7 +331,10 @@ export class DaytonaSandbox implements Sandbox {
 				options.env,
 			);
 			if (options.signal) {
-				return await this.execWithSession(fullCommand, options);
+				return await this.execWithSession(fullCommand, {
+					...options,
+					maxBuffer: options.maxBuffer ?? EXEC_OUTPUT_MAX_BUFFER,
+				});
 			}
 			const result = await this.handle.process.executeCommand(fullCommand);
 			return {

test/packages/core/daytona-sandbox.test.ts

@@ -440,6 +440,27 @@ describe("DaytonaSandbox", () => {
 			expect(handle.process.getSessionCommandLogs).not.toHaveBeenCalled();
 			expect(handle.process.deleteSession).toHaveBeenCalledTimes(1);
 		});
+
+		it("caps abortable execWithArgs session output to the default buffer", async () => {
+			const handle = createMockHandle();
+			handle.process.getSessionCommandLogs.mockResolvedValue({
+				stdout: "a".repeat(50 * 1024),
+				stderr: "b".repeat(50 * 1024),
+			});
+			const sandbox = await createTestSandbox(handle);
+			const controller = new AbortController();
+
+			const result = await sandbox.execWithArgs("gh", ["pr", "view", "1"], {
+				signal: controller.signal,
+			});
+
+			expect(result).toEqual({
+				stdout: "a".repeat(40 * 1024),
+				stderr: "b".repeat(40 * 1024),
+				exitCode: 0,
+			});
+			expect(handle.process.executeCommand).not.toHaveBeenCalled();
+		});
 	});
 
 	describe("readFile", () => {