Community review fixes
- Fix unsupported API: replace `revealLeaf` with `setActiveLeaf`
- Settings headings via `Setting.setHeading()`
- Delete uses `FileManager.trashFile()` + Obsidian confirm modal
- Remove console logging; drop `builtin-modules` dependency
- `minAppVersion`: 1.6.6
Tag matches `manifest.json` version (`0.3.5`, no `v` prefix).