up 1.0.0

First public release of up.\n\n- Clean first-run state: no companies, roles, JD text, notes, timeline nodes, or personal data\n- Company-centered application overview and editable timeline\n- Local-only workspace storage\n- Optional Codex Loop integration\n- Apple Silicon installer attached\n\nThe app is currently distributed without an Apple Developer ID signature. On first launch, right-click the app and choose Open if macOS blocks it.