[dustinbyrne]

💡 Motivation and Context

Closes #100.

KMP apps cannot disable Android's automatic push-token registration or push-open capture, even when another provider owns push delivery.

• Expose capturePushNotificationSubscriptions and capturePushNotificationOpened in PostHogConfig and forward them independently before Android setup.
• Keep both defaults at true. These options affect Android only, with no change to current default capture behavior.
• Retain existing constructor, copy, and deprecated apiKey factory signatures for JVM binary and Java source compatibility. Compatibility copies preserve the new options.
• Add a minor release change intent and KDoc. The website reference update is prepared separately but still needs local preview validation before a documentation PR.

💚 How did you test it?

Using JDK 17 and the local Android SDK:

• ./gradlew :posthog-kmp:jvmTest :posthog-kmp:testAndroidHostTest :posthog-kmp:compileKotlinJs :posthog-kmp:compileKotlinWasmJs — passed, 69 JVM tests and 51 Android host tests.
• ./gradlew detekt — passed.
• ./gradlew :posthog-kmp:compileKotlinIosArm64 — passed.
• Android mapping tests cover all four switch combinations. Common tests cover defaults, copying, and the deprecated apiKey form. Java tests compile and exercise the existing constructor, factory, and copy signatures.
• Compiled a Kotlin consumer against the base config, then ran it against the changed JVM jar without recompilation — passed. Compared public JVM descriptors for the config and companion — all existing descriptors remain.

📝 Checklist

• I reviewed the submitted code.
• I added tests to verify the changes.
• I updated the docs if needed.
• No breaking change or entry added to the changelog.

If releasing new changes

• Ran pnpm change to generate a change intent file

🤖 Agent context

Autonomy: Human-driven (agent-assisted)

Implemented with Pi using file, shell, and GitHub CLI tools, plus a fresh read-only reviewer. The review identified Java source visibility in the compatibility overloads. The final overloads remain Java-callable, with regression tests. Human review is required.