v1.3.0

What's Changed

• Onboarding UX: beginner-proof README + native file-dialog fallback (#79) by @ArtVsMark in #77
• docs/housekeeping: version-evolution comparison + fix stale root_dir in config example by @ArtVsMark in #81
• ci(release): PyPI trusted-publishing job (#70) — pivot from standalone .exe (#78) by @ArtVsMark in #82
• chore(release): prepare v1.3.0 — version bump + docs sync by @ArtVsMark in #84

Full Changelog: v1.2.0...v1.3.0