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Description

Original author: @CursedRock17
Original reviewers: @fujitatomoya @audrow @ivanpauno @wjwwood

Continuation of #1140.
Implemented most feedback.

Fixes #1019

Is this user-facing behavior change?

Yes, Lifecycle transition events are now filled.
This comes with a small change in function signatures to support timestamping.

Did you use Generative AI?

No.

Additional Information

I would also recommend merging ros2/rcl_interfaces#185 to limit the amount of breaking changes.

I noticed that the node_handle field of rcl_lifecycle_com_interface_t is never filled or used as far as I can see.

@SuperJappie08 SuperJappie08 changed the title Rolling lifecycle transition event Populate Transitions in Transition Events (continuation) Oct 15, 2025
SuperJappie08 added a commit to SuperJappie08/rclcpp that referenced this pull request Oct 15, 2025
SuperJappie08 added a commit to SuperJappie08/rclpy that referenced this pull request Oct 15, 2025
SuperJappie08 added a commit to SuperJappie08/rclc that referenced this pull request Oct 15, 2025
@fujitatomoya
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Pulls: ros2/rcl_interfaces#185, #1269, ros2/rclcpp#2967, ros2/rclpy#1528
Gist: https://gist.githubusercontent.com/fujitatomoya/43f97e6f8303a55ef1fdd1c645c51dd1/raw/feab0bba51e7c64b9f07536c61c03781c6dcd1e2/ros2.repos
BUILD args: --packages-above-and-dependencies lifecycle_msgs rcl_lifecycle rclcpp_lifecycle rclpy
TEST args: --packages-above lifecycle_msgs rcl_lifecycle rclcpp_lifecycle rclpy
ROS Distro: rolling
Job: ci_launcher
ci_launcher ran: https://ci.ros2.org/job/ci_launcher/17335

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@SuperJappie08
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@fujitatomoya, this patch did not yet include compatibility with ros2/rcl_interfaces#185, but I have it (just not part of the PR yet)

I will fix it now

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transition events don't populate transition id, label, or timestamp

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