Why do we always notice financial problems too late?

I’ve been thinking about something and I’m not sure if I’m overcomplicating it or if this is actually a real gap.

In software, observability is standard:
we detect issues before systems fail.

In personal finance, we mostly rely on:

• dashboards
• reports
• looking at past data

But financial problems rarely happen suddenly.

They build up quietly:

• spending slowly increases
• subscriptions creep up
• cash flow gradually declines

By the time you notice, it's already a problem.

So I’m exploring this idea:

What if instead of tracking transactions, we focused on detecting changes in financial behavior?

Not predictions.
Not advice.

Just early awareness that something is shifting.

I’m trying to understand if this is:

1. a real missing layer
2. already solved and I’m missing it
3. or just overengineering finance

Would love honest feedback.