v0.3.3

• Add ShellScriptFile, a TextWriter that builds and executes Windows batch or Unix shell scripts with optional
  elevation, cancellation, captured process output, argument lists, platform-conditional writes, comments, and
  environment variables. CreateTemporary(...) and the pathless constructor assign a unique temporary path and delete
  it on disposal by default, while an explicit path keeps the script; content is buffered and written atomically by
  Flush, by Execute, and on disposal.
  WriteLines, WriteLinesAsync, WriteLinesIf, WriteLinesIfWindows/MacOS/Linux/Unix, and WriteComments
  write several lines at once, taking params or an IEnumerable<string?>
• Add raw and structured script-argument support to ProcessHelper.CreateShellScriptProcessStartInfo, plus
  StartShellScript and StartShellScriptAsync overloads matching the process-start helpers
• Move process lifetime metadata from ApplicationKit.StartingTimestamp, RuntimeElapsed, and SessionId to
  EntryApplication.ProcessStartingTimestamp, ProcessUptime, and ProcessSessionId; the former APIs have been
  removed
• Add structured process snapshots and configurable runtime reports to RuntimeDiagnostics, including process, GC,
  thread-pool, runtime-feature, culture, and time-zone details plus reusable custom report formatting
• Add portable processor and multi-adapter graphics information to HostSystem, with native or structured detection,
  Windows filtering for indirect USB and software display drivers, bounded external queries, retry-after-failure
  behavior, and compatibility for the original GraphicCardName spelling
• Add cached system manufacturer and model detection plus a portable HostSystem.SystemUptime measurement
• Add HostSystem.IsNetworkAvailable() for a fast, cross-platform local network-availability check and
  IsInternetAvailableAsync() for an active, timeout-bound internet connectivity probe with captive-portal detection
• Add cached HostSystem.OperatingSystemName and OperatingSystemNameWithArch display values, including Mac Catalyst,
  WASI, and correctly styled tvOS and watchOS names
• Add immutable, platform-neutral host memory snapshots with native Windows/macOS queries, span-based Linux parsing,
  readable physical-memory properties, and explicit failure detection
• Show live host memory totals, availability, usage, and load in the Avalonia demo with automatic two-second refreshes
• Add StringExtensions.InsertCharBetweenCamelCase to StageKit.Primitives for splitting camelCase/PascalCase (and,
  optionally, digit) transitions with a configurable separator character
• Add HostSystem.Beep and HostSystem.BeepAsync to StageKit.Primitives. Both report success as a bool instead of
  throwing, clamp the frequency to the 37 Hz floor Console.Beep requires, format the Linux sleep interval with the
  invariant culture, probe for speaker-test before using it, and fall back to the macOS system alert sound
• Add a host beep section to the Avalonia demo with frequency and duration editors, single and looping playback through
  HostSystem.BeepAsync, and a stop button that cancels the loop
• Add LinuxRpm and DotNetSingleFile to StageKit releases
• Fix cross-architecture RPM publishing by passing the target architecture to rpmbuild, fail immediately when a
  packaging command exits unsuccessfully, and report successful AppImage progress as regular output
• Run Linux and macOS release jobs on matching native x64 or ARM64 GitHub-hosted runners
• Retry transient hdiutil create resource-busy failures when producing macOS DMG packages
• Log shell tool output at information level regardless of its output stream, skip unnecessary Arch dependency checks,
  and include complete Snap store metadata; the StageKit demo Snap now stages its fontconfig runtime dependency
• Set CreateNoWindow = true on ProcessHelper by default to avoid a console window on Linux
• Add ProcessHelper.StartProcessWithShellExecute and StartProcessWithShellExecuteAsync overloads for targets that
  must be opened through the operating system shell