Answer: 50

[phhien203]

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[phhien203]

The Signal Graph helps visualize the bug in the initial code.
You can see the dependency arrows from the second and third signals to the effect.

CleanShot.2026-03-13.at.16.23.37.mp4

[tomalaforge]

very very good explanation. Thank you for that.
I think I will make an article out of your solution and explanation if that's ok.
It shows very well how to understand the angular devtool signal graph and how to solve the issue.
Thanks 🙏

[phhien203]

Sure. I am looking forward to your article!