* fix(workflows): reject bool max_iterations in while/do-while validation
while/do-while validate() checked 'not isinstance(max_iter, int) or max_iter < 1'. Since bool is a subclass of int, isinstance(True, int) is True and True < 1 is False, so 'max_iterations: true' passed validation and then ran as a single iteration (range(True) == range(1)) instead of being reported as a type error. Reject bools explicitly, matching the fail-fast-on-bool handling already used for number inputs and gate options.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
* test: assert empty error list for the valid do-while max_iterations case
Address Copilot review: the accepted-config assertion only checked that no error mentioned 'max_iterations', which could let an unrelated validation error pass unnoticed. For a known-good config, assert the entire error list is empty (consistent with the other validate tests in this file).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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