Add optional output redirection control to process spawn functions

[Copilot]

endOpenAFAndStart and stopOpenAFAndRun currently hardcode output behavior - the former redirects to /dev/null on Unix, the latter inherits parent I/O. This adds a redirectOutput parameter to control this behavior.

Changes

• endOpenAFAndStart(aCommandLineArray, noStop, redirectOutput)

  • New redirectOutput param (default: true for backward compatibility)
  • false keeps output visible instead of redirecting to /dev/null

• stopOpenAFAndRun(aCommandLineArray, addCommand, redirectOutput)

  • New redirectOutput param (default: false for backward compatibility)
  • true redirects to /dev/null (Unix) or NUL (Windows)

• endOpenAFAndStartOpenAF(aCommandLineArray, preCommandLineArray, noStop, redirectOutput)

  • Passes through redirectOutput to endOpenAFAndStart

• AF.prototype methods

  • Updated to accept new parameter

Example

// Keep output visible when spawning detached process
endOpenAFAndStart(["/usr/bin/myapp"], true, false);

// Suppress output when replacing current process
stopOpenAFAndRun(["/usr/bin/myapp"], false, true);

Additional Fix

Corrected pre-existing bug in stopOpenAFAndRun where Unix/Windows command logic was inverted (unix=true was using cmd /c, should be /bin/sh -c).

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