Add full implementation: core engine, UI, build fixes, and compilation

- Implement all core modules: disk I/O, partition tables, filesystem
  formatting, recovery, imaging, diagnostics, security, and maintenance
- Implement all UI tabs with full widget layouts and backend integration
- Fix MSVC compilation: NOMINMAX, WIN32_LEAN_AND_MEAN, missing includes
  (winioctl.h, bcrypt.h, shellapi.h, cwctype), type mismatches, and
  POSIX macro conflicts
- Add Guid implementation (Types.cpp), move DiskAccessMode to Types.h
- Add CMake presets with embedded MSVC/SDK environment for Git Bash builds
- Add build scripts, key generation, icon resources, and windeployqt
- Include pre-built hwdiag library and third-party integration

build.bat

@@ -0,0 +1,104 @@
+@echo off
+setlocal EnableDelayedExpansion
+
+:: ============================================================
+:: Setec Partition Wizard — Build Script
+:: Manually sets MSVC x64 environment (no vcvars dependency)
+:: ============================================================
+
+set "MSVC_VER=14.44.35207"
+set "WINSDK_VER=10.0.26100.0"
+
+set "VSDIR=C:\Program Files\Microsoft Visual Studio\2022\Professional"
+set "VCDIR=%VSDIR%\VC\Tools\MSVC\%MSVC_VER%"
+set "SDKDIR=C:\Program Files (x86)\Windows Kits\10"
+
+:: ---- PATH ----
+set "PATH=%VCDIR%\bin\Hostx64\x64"
+set "PATH=%PATH%;%SDKDIR%\bin\%WINSDK_VER%\x64"
+set "PATH=%PATH%;C:\Qt\Tools\Ninja"
+set "PATH=%PATH%;C:\Program Files\CMake\bin"
+set "PATH=%PATH%;C:\Qt\6.10.0\msvc2022_64\bin"
+set "PATH=%PATH%;C:\Windows\System32;C:\Windows"
+set "PATH=%PATH%;C:\Program Files\Git\cmd"
+set "PATH=%PATH%;C:\Program Files\Git\usr\bin"
+
+:: ---- INCLUDE ----
+set "INCLUDE=%VCDIR%\include"
+set "INCLUDE=%INCLUDE%;%SDKDIR%\Include\%WINSDK_VER%\ucrt"
+set "INCLUDE=%INCLUDE%;%SDKDIR%\Include\%WINSDK_VER%\um"
+set "INCLUDE=%INCLUDE%;%SDKDIR%\Include\%WINSDK_VER%\shared"
+set "INCLUDE=%INCLUDE%;%SDKDIR%\Include\%WINSDK_VER%\winrt"
+set "INCLUDE=%INCLUDE%;%SDKDIR%\Include\%WINSDK_VER%\cppwinrt"
+
+:: ---- LIB ----
+set "LIB=%VCDIR%\lib\x64"
+set "LIB=%LIB%;%SDKDIR%\Lib\%WINSDK_VER%\ucrt\x64"
+set "LIB=%LIB%;%SDKDIR%\Lib\%WINSDK_VER%\um\x64"
+
+:: ---- Other vars MSVC needs ----
+set "LIBPATH=%VCDIR%\lib\x64"
+set "Platform=x64"
+set "VisualStudioVersion=17.0"
+set "VSCMD_ARG_HOST_ARCH=x64"
+set "VSCMD_ARG_TGT_ARCH=x64"
+
+:: ---- Verify compiler ----
+echo === Setec Partition Wizard Build ===
+cl /? >nul 2>&1
+if errorlevel 1 (
+    echo ERROR: cl.exe not found. Check MSVC_VER.
+    exit /b 1
+)
+echo Compiler: cl.exe OK
+echo.
+
+:: ---- Change to project dir ----
+cd /d "%~dp0"
+
+:: ---- Parse arguments ----
+set "PRESET=default"
+set "ACTION=all"
+if not "%1"=="" set "PRESET=%1"
+if not "%2"=="" set "ACTION=%2"
+
+if "%ACTION%"=="configure" goto :configure
+if "%ACTION%"=="build" goto :build
+if "%ACTION%"=="all" goto :all
+if "%ACTION%"=="clean" goto :clean
+
+echo Usage: build.bat [preset] [configure^|build^|all^|clean]
+exit /b 1
+
+:all
+:configure
+echo --- CMake Configure (preset: %PRESET%) ---
+cmake --preset %PRESET%
+if errorlevel 1 (
+    echo.
+    echo CONFIGURE FAILED
+    exit /b 1
+)
+echo.
+if "%ACTION%"=="configure" goto :done
+
+:build
+echo --- CMake Build (preset: %PRESET%) ---
+cmake --build --preset %PRESET%
+if errorlevel 1 (
+    echo.
+    echo BUILD FAILED
+    exit /b 1
+)
+echo.
+goto :done
+
+:clean
+echo --- Clean (preset: %PRESET%) ---
+if exist "build\%PRESET%" rmdir /s /q "build\%PRESET%"
+echo Cleaned build\%PRESET%
+goto :done
+
+:done
+echo === Done ===
+exit /b 0