Refactor away libsu again

[Mygod]

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[Copilot]

Pull request overview

This PR removes the previous libsu-based RootService integration and replaces it with an owned root-process startup and Binder handoff flow, eliminating the JitPack/libsu dependency and updating the library, demo app, and tests accordingly.

Changes:

• Drop libsu + JitPack usage and implement an owned root app_process startup path with provider-based Binder handoff.
• Introduce new internal startup/runtime components (bootstrap/main/launcher/ownership/handoff) and a new public NoShellException.
• Update tests and demo code to validate the new startup, IPC, and failure/cancellation behaviors.

Reviewed changes

Copilot reviewed 33 out of 33 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
settings.gradle.kts	Removes JitPack repository entry (no longer needed after libsu removal).
README.md	Updates feature/comparison docs and documents hidden API assumptions for the new design.
lib/src/test/java/be/mygod/librootkotlinx/RootSessionTest.kt	Adds coverage for propagating owned-shell startup failures from acquire().
lib/src/test/java/be/mygod/librootkotlinx/RootServerTest.kt	Adds tests for new lifecycle logging and startup event behavior.
lib/src/test/java/be/mygod/librootkotlinx/impl/RootServiceHandoffTest.kt	New tests for token-based Binder handoff and provider failure behavior.
lib/src/test/java/be/mygod/librootkotlinx/impl/RootProcessHandleTest.kt	Updates startup/cancellation tests to match new startup sequencing and error messages.
lib/src/test/java/be/mygod/librootkotlinx/impl/RootCommandServiceTest.kt	Adds test ensuring fatal callback failures stop the root process.
lib/src/test/java/be/mygod/librootkotlinx/impl/libsu/RootProcessLauncherTest.kt	Deletes obsolete tests for the removed libsu rewrite path.
lib/src/main/java/be/mygod/librootkotlinx/RootSession.kt	Changes lifecycle hook to handleRootLifecycle, adds niceName, and documents new lifecycle timing; annotates acquire/use with @Throws(NoShellException).
lib/src/main/java/be/mygod/librootkotlinx/RootServer.kt	Refactors lifecycle/event handling, improves failure logging, and adjusts close/cleanup semantics.
lib/src/main/java/be/mygod/librootkotlinx/NoShellException.kt	New public exception for “no root shell” startup failures.
lib/src/main/java/be/mygod/librootkotlinx/io/ProcessPipes.kt	New process helper APIs (startPipes, awaitExit, Process.pid) and ProcessPipes wrapper.
lib/src/main/java/be/mygod/librootkotlinx/impl/RootServiceHandoffProvider.kt	New internal ContentProvider endpoint for root-to-app Binder handoff.
lib/src/main/java/be/mygod/librootkotlinx/impl/RootServiceHandoffClient.kt	New root-side client for external provider acquisition + IContentProvider.call compatibility.
lib/src/main/java/be/mygod/librootkotlinx/impl/RootServiceHandoff.kt	New token registry and delivery mechanism for one-shot Binder handoff.
lib/src/main/java/be/mygod/librootkotlinx/impl/RootServiceConnection.kt	Replaces libsu binding with owned root-process startup + handoff registration/cleanup.
lib/src/main/java/be/mygod/librootkotlinx/impl/RootProcessPipes.kt	Adjusts pipe path handling and removes libsu/ShellUtils dependency.
lib/src/main/java/be/mygod/librootkotlinx/impl/RootProcessOwnership.kt	Refactors ownership socket API (explicit socket name param) and switches logging to project logger.
lib/src/main/java/be/mygod/librootkotlinx/impl/RootProcessMain.kt	New root-side runtime that creates the service binder and delivers it via handoff.
lib/src/main/java/be/mygod/librootkotlinx/impl/RootProcessLauncher.kt	New owned startup command builder/executor for root app_process (no libsu rewrite).
lib/src/main/java/be/mygod/librootkotlinx/impl/RootProcessHandle.kt	New startup sequencing (ownership + stdio + connection) and lifecycle handling orchestration.
lib/src/main/java/be/mygod/librootkotlinx/impl/RootProcessBootstrap.kt	New bootstrap entrypoint to create package context/classloader before invoking RootProcessMain.
lib/src/main/java/be/mygod/librootkotlinx/impl/RootCommandService.kt	Converts from RootService to an owned binder with explicit “stop root process” callback.
lib/src/main/java/be/mygod/librootkotlinx/impl/libsu/RootProcessMain.kt	Deletes obsolete libsu-mirroring root-side entrypoint.
lib/src/main/java/be/mygod/librootkotlinx/impl/libsu/RootProcessLauncher.kt	Deletes obsolete libsu startup command rewrite implementation.
lib/src/main/java/be/mygod/librootkotlinx/impl/libsu/PendingRootServiceBind.kt	Deletes obsolete libsu reflection shim for pending bind cleanup.
lib/src/main/java/be/mygod/librootkotlinx/impl/AppProcess.kt	New helper for app_process command construction, quoting, and (API<26) relocation script.
lib/src/main/AndroidManifest.xml	Adds non-exported direct-boot-aware provider for handoff.
lib/consumer-rules.pro	Updates keep rules for bootstrap/main reflection entry points.
lib/build.gradle.kts	Removes libsu dependency from library module.
lib/api/current.txt	Updates tracked public API for NoShellException, RootSession signature changes, and new process helpers.
app/src/main/java/be/mygod/librootkotlinx/demo/MainActivity.kt	Updates demo to use new nonblocking Process IO and adds Binder passing demo.
app/src/androidTest/java/be/mygod/librootkotlinx/demo/RootStartupCancellationTest.kt	Expands assertions for new demo output and updates no-root detection.

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