v0.2.0 — Companion ep CLI + dual-zip release

What's new

• Companion ep CLI for AI agents to read/write encrypted notes (decrypt → tmp → edit → encrypt
  workflow)
• npm run release produces two self-contained zips
• 13 round-trip tests, tsc --noEmit clean

Artifacts

• ep-plugin.zip — Obsidian plugin (main.js + manifest.json + styles.css)
• ep-cli.zip — CLI for AI agents (single ~11KB self-contained ep binary)