New converters: Evernote (.enex), Roam Research (JSON), generic file
import, and sync service. Enhanced existing Obsidian, Logseq, Google
Docs, and Notion converters. Updated import-export dialog, schemas,
and server routes.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Bun evaluates the converters Map after the circular import from obsidian.ts
triggers registerConverter(), causing "Cannot access before initialization".
Lazy-load converter modules via require() to break the cycle.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>