- Added `TestSuiteDefinition`, `TestGroupDefinition`, and `TestCaseDefinition` structures to represent test suite configurations.
- Implemented parsing logic for test suite definitions from a file in `test_suite_loader.cc` and `test_suite_loader.h`.
- Introduced `ReplayTestResult` structure in `gui_automation_client.h` to handle results from replaying tests.
- Added `ReplayTest` method in `GuiAutomationClient` to facilitate test replay functionality.
- Created `BuildTextSummary` and `BuildJUnitReport` functions in `test_suite_reporter.cc` for generating test reports.
- Implemented `WriteJUnitReport` function to save JUnit formatted reports to a specified output path.
- Enhanced error handling and logging throughout the new functionalities.
- Added a new helper function `CaptureHarnessScreenshot` to encapsulate SDL screenshot logic.
- Updated `ImGuiTestHarnessServiceImpl::Screenshot` to utilize the new screenshot helper.
- Enhanced `TestManager::CaptureFailureContext` to automatically capture screenshots and widget state on test failures.
- Introduced new fields in the `GetTestResultsResponse` proto for screenshot path, size, failure context, and widget state.
- Updated CLI and gRPC client to expose new diagnostic fields in test results.
- Ensured that screenshots are saved in a structured directory under the system's temp directory.
- Improved logging for auto-capture events, including success and failure messages.
- Added new test commands for GUI automation in `test_commands.cc`, including handling test runs, statuses, listings, and results.
- Refactored instances of `app::core::AsarWrapper` to `core::AsarWrapper` across multiple files for consistency.
- Updated CMake configuration to include new test command files.
- Modified integration and unit tests to reflect the changes in AsarWrapper usage.
- Ensured proper error handling and output formatting for test commands.
