New Features * #3586051 Add a per-tool setting to restrict a tool from being called more than once per response Tasks * #3586052 Add test coverage for externally-driven execution (setLooped(FALSE)) * #3550160 Add note on structured output Bugs * #3586053 PHPUnit CI job fails (exit code 1) for every test class despite all assertions passing * #3586061 Disable hostname filtering does not work when looping is off * #3586067 AiAgentEntityWrapper::fromArray() fatals when the serialized chat history contains an image * #3586066 Tool settings popup on agent edit form has no visible close/save button Contributors: akhil babu, joshua1234511, marcus_johansson, csakiistvan, ahmad-khalil-imagex, thebumik, abhisekmazumdar