- Added `DiscoverWidgets` RPC to the ImGuiTestHarness service for enumerating GUI widgets.
- Introduced `WidgetDiscoveryService` to handle widget collection and filtering based on various criteria.
- Updated `agent gui discover` command to support new options for filtering and output formats.
- Enhanced `GuiAutomationClient` to facilitate widget discovery requests and responses.
- Added necessary protobuf messages for widget discovery in `imgui_test_harness.proto`.
- Updated CLI command handling to include new GUI discovery functionality.
- Improved documentation for the `agent gui discover` command with examples and output formats.
- Refactored the HandleTestCommand to support subcommands: status, list, and results.
- Implemented HandleTestStatusCommand to fetch and display the status of a test by ID.
- Added HandleTestListCommand to list tests with optional filters for category and status.
- Created HandleTestResultsCommand to retrieve detailed results for a specific test execution.
- Introduced new structures for test status details, test summaries, and results.
- Updated GuiAutomationClient to support gRPC calls for fetching test status and results.
- Enhanced the ModernCLI to reflect new command usage for test operations.
- Added JSON and YAML formatting for test results output.
- Implemented GuiAutomationClient for gRPC communication with the test harness.
- Added methods for various GUI actions: Click, Type, Wait, Assert, and Screenshot.
- Created TestWorkflowGenerator to convert natural language prompts into structured test workflows.
- Enhanced HandleTestCommand to support new command-line arguments for GUI automation.
- Updated CMakeLists.txt to include new source files for GUI automation and workflow generation.
