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Shane 03fb422bfa fix(tabs): select correct tab when routes have similar prefixes (#30863)
Issue number: resolves #30448 

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## What is the current behavior?

When using ion-tabs with routes that share a common prefix (e.g.,
`/home`, `/home2`, `/home3`), navigating to `/home2` incorrectly
highlights the `/home` tab. This occurs because the tab matching logic
uses `pathname.startsWith(href)`, which causes `/home2` to match `/home`
since `/home2` starts with `/home`.

## What is the new behavior?

Tab selection now uses path segment matching instead of simple prefix
matching. A tab's href will only match if the pathname is an exact match
OR starts with the href followed by a / (for nested routes). This
ensures /home2 no longer incorrectly matches /home, while still allowing
/home/details to correctly match the /home tab.

## Does this introduce a breaking change?

- [ ] Yes
- [X] No

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## Other information

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screenshots of how the component looks before and after the change. -->

Current dev build:
```
8.7.13-dev.11765486444.14025098
```

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Co-authored-by: Maria Hutt <thetaPC@users.noreply.github.com>
Co-authored-by: Brandy Smith <brandyscarney@users.noreply.github.com>
2025-12-17 00:11:10 +00:00
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