feat: add platform integration hook

[jpnurmi]

Adds a SENTRY_INTEGRATION_PLATFORM build option for console SDKs.

When enabled, sentry-native automatically creates the downstream-provided platform integration via sentry_integration_platform_new(). This lets sentry-playstation, sentry-switch, and sentry-xbox move platform-specific initialization into a platform integration without wrapping sentry__native_init().

[github-actions]

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🚫	Please consider adding a changelog entry for the next release.

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Instructions and example for changelog

Please add an entry to CHANGELOG.md to the "Unreleased" section. Make sure the entry includes this PR's number.

Example:

## Unreleased

### Features

- add platform integration hook ([#2005](https://github.com/getsentry/sentry-native/pull/2005))

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Cursor Bugbot has reviewed your changes and found 1 potential issue.

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[cursor]

Platform define stays private

Medium Severity

SENTRY_INTEGRATION_PLATFORM is added as a PRIVATE compile definition on sentry, so downstream translation units never see it. The extern "C" declaration of sentry_integration_platform_new in sentry_integration.h is therefore hidden from C++ platform SDKs, which will emit a mangled symbol the C library cannot resolve. Consumers also still see sentry__native_init in sentry_core.h even though the library now exports sentry_init.

Additional Locations (2)

• src/sentry_integration.h#L16-L27
• src/sentry_core.h#L164-L169

 

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