Function moveToBackground

extensions/cli/src/tools/runTerminalCommand.ts:225–262

()

      };

      const moveToBackground = () => {
        if (isResolved) return;
        isResolved = true;

        if (timeoutId) {
          clearTimeout(timeoutId);
        }
        backgroundSignalManager.off("backgroundRequested", moveToBackground);

        // Detach stdout/stderr listeners so they don't accumulate in local
        // buffers or trigger chat history updates after the tool call resolves.
        // BackgroundJobService.createJobWithProcess attaches its own listeners.
        child.stdout.removeListener("data", onStdout);
        child.stderr.removeListener("data", onStderr);

        const job = backgroundJobService.createJobWithProcess(
          command,
          child as ChildProcess,
          stdout,
        );

        if (job) {
          const truncationResult = truncateOutputFromStart(stdout, {
            maxChars,
            maxLines,
          });
          const outputSoFar = truncationResult.wasTruncated
            ? appendParallelLimitNote(truncationResult.output)
            : truncationResult.output;
          resolve(
            `Command moved to background. Job ID: ${job.id}\nOutput so far:\n${outputSoFar}\nUse CheckBackgroundJob("${job.id}") to check status.`,
          );
        } else {
          resolve(
            `Failed to move to background (job limit reached). Command continues in foreground.\nOutput so far: ${stdout}`,
          );
        }
      };

      backgroundSignalManager.on("backgroundRequested", moveToBackground);