[Platform] Add event system for string input conversion #575
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Add PlatformInvokationEvent and StringToMessageBagListener to convert string inputs to MessageBag for models with INPUT_MESSAGES capability. Enables $platform->invoke($model, 'Hello') usage pattern. Fixes symfony#326
RamyHakam
requested review from
chr-hertel,
Nyholm and
OskarStark
as code owners
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Description
Implements event-based input processing to resolve fatal errors when string payloads are passed to ModelClient implementations using
array_merge($payload, $options).Solution:
PlatformInvokationEvent: Dispatched before platform invocationStringToMessageBagListener: Converts strings to MessageBag for models with INPUT_MESSAGES capability$platform->invoke($model, 'Hello')Backward Compatible: EventDispatcher is optional, existing code unchanged.