Plex MCP Server

# Changelog All notable changes to this project will be documented in this file. ## [Unreleased] ### Added - Read-only Plex tools: - `get_library_items` - `export_library` - `get_playlists` - `get_playlist_items` - `get_watchlist` - `get_editable_fields` ### Changed - `search_media` now supports `libraryKey`, `limit`, and `offset`. - `export_library` now enforces safe export paths under `./exports`, handles write backpressure, captures stream errors earlier, and removes partial files on failure. - Server entrypoints now load `.env` automatically via `dotenv/config`.