v2.2.0 — Real updates, Space Lens, design polish

First public release.

Highlights

• 11 modules, every backend hooked to real macOS APIs (no mock data)
• Real App Store update detection via iTunes Search API
• du-based Space Lens treemap with drill-down
• Sort by size / name / date in every module
• Confetti result screen, 3-step onboarding, menu bar widget
• Native macOS admin prompts for sudo maintenance tasks

See README for build instructions.