Idrinth / habit-evaluator / 22076269707

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Fix JaCoCo Maestro coverage report failing on corrupt .ec files (#438)

* Fix JaCoCo Maestro coverage report failing on corrupt .ec files

The jacocoMaestroReport task fails when adb exec-out produces non-empty
but invalid coverage files (e.g. error text on stdout). Add JaCoCo magic
byte validation (0x01 0xC0 0xC0) in both the shell script and Gradle
task to skip corrupt execution data files instead of failing the build.

https://claude.ai/code/session_0186UQ6WP3CfRvM6qh27DXZj

* Fix JaCoCo Maestro coverage report failing on corrupt .ec files

The jacocoMaestroReport task fails when adb exec-out produces non-empty
but invalid coverage files (e.g. error/warning text prefixed to stdout
before the binary data). Strip any prefix before the JaCoCo magic bytes
(0x01 0xC0 0xC0) to preserve valid coverage data. Also filter invalid
files in the Gradle task as defense-in-depth.

https://claude.ai/code/session_0186UQ6WP3CfRvM6qh27DXZj

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Co-authored-by: Claude <noreply@anthropic.com>

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