WinDbg plugin, ProcessMemoryWindows, dialog cleanup, and misc fixes

- Add WinDbgMemory plugin with debug server connection support
- Replace ProcessMemory plugin with Windows-specific ProcessMemoryWindows
- Simplify WinDbg dialog: single panel, no tabs, palette-based theming
- Fix example text visibility on dark themes (QPalette::Dark -> Disabled WindowText)
- Fix "file" -> "File" capitalization in source menu
- Add windbg_provider and com_security tests

plugins/ProcessMemoryWindows/CMakeLists.txt

@@ -0,0 +1,47 @@
+cmake_minimum_required(VERSION 3.20)
+project(ProcessMemoryWindowsPlugin LANGUAGES CXX)
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+# Qt is found by the parent project; QT variable (Qt5 or Qt6) is inherited
+
+set(CMAKE_AUTOMOC ON)
+set(CMAKE_AUTORCC ON)
+set(CMAKE_AUTOUIC ON)
+
+# Plugin sources
+set(PLUGIN_SOURCES
+    ProcessMemoryWindowsPlugin.h
+    ProcessMemoryWindowsPlugin.cpp
+    ${CMAKE_CURRENT_SOURCE_DIR}/../../src/processpicker.h
+    ${CMAKE_CURRENT_SOURCE_DIR}/../../src/processpicker.cpp
+    ${CMAKE_CURRENT_SOURCE_DIR}/../../src/processpicker.ui
+)
+
+# Create shared library (DLL)
+add_library(ProcessMemoryWindowsPlugin SHARED ${PLUGIN_SOURCES})
+
+# Link Qt
+target_link_libraries(ProcessMemoryWindowsPlugin PRIVATE ${QT}::Widgets ${_QT_WINEXTRAS})
+
+# Platform-specific linking
+if(WIN32)
+    target_link_libraries(ProcessMemoryWindowsPlugin PRIVATE psapi shell32)
+endif()
+
+# On Linux, hide all symbols by default so only RCX_PLUGIN_EXPORT-marked ones are exported
+if(UNIX AND NOT APPLE)
+    target_compile_options(ProcessMemoryWindowsPlugin PRIVATE -fvisibility=hidden)
+endif()
+
+# Include directories
+target_include_directories(ProcessMemoryWindowsPlugin PRIVATE
+    ${CMAKE_CURRENT_SOURCE_DIR}/../../src
+)
+
+# Output to Plugins folder
+set_target_properties(ProcessMemoryWindowsPlugin PROPERTIES
+    LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/Plugins"
+    RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/Plugins"
+)