chore: validate jon schema in rpc responders

docs/pages/docs/features/validation/index.md

docs/pages/docs/features/websockets/protocols.md

docs/pages/index.md

.../how-to-create-llm-websocket-chat-with-llama-cpp/index.md

docs/pages/tutorials/session-based-authentication/index.md

src/CastsValidatedDataInterface.php

...pControllerParameterResolver/ValidatedRequestResolver.php

src/InputValidator.php

src/InputValidator/FrontMatterValidator.php

src/InputValidator/RPCMessageValidator.php

src/InputValidatorController.php

src/JsonSchemaSourceInterface.php

src/JsonSchemaValidationErrorMessage.php

src/JsonSchemaValidationException.php

src/JsonSchemaValidator.php

...RequestBodyContentExtractor/ValidatedRequestExtractor.php

src/RPCNotification.php

src/SingletonProvider/ConfigurationProvider.php

...onfigurationProvider/ApplicationConfigurationProvider.php

...r/ConfigurationProvider/DatabaseConfigurationProvider.php