feat: switch to constraints

composer.json

composer.lock

config.ini.example

docs/pages/docs/changelog/index.md

docs/pages/docs/features/configuration/index.md

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

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

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

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

src/Attribute/RespondsWith.php

src/Command/TestHttpResponders.php

src/Constraint.php

src/Constraint/AnyOfConstraint.php

src/Constraint/AnyOfConstraintTest.php

src/Constraint/ListConstraint.php

src/Constraint/ListConstraintTest.php

src/Constraint/MapConstraint.php

src/Constraint/ObjectConstraint.php

src/Constraint/ObjectConstraintTest.php

src/ConstraintReason.php