Decouple core Yaak logic from Tauri (#354)

crates/yaak-plugins/src/lib.rs

@@ -0,0 +1,21 @@
+//! Core plugin system for Yaak.
+//!
+//! This crate provides the plugin manager and supporting functionality
+//! for running JavaScript plugins via a Node.js runtime.
+//!
+//! Note: This crate is Tauri-independent. Tauri integration is provided
+//! by yaak-app's plugins_ext module.
+
+pub mod api;
+mod checksum;
+pub mod error;
+pub mod events;
+pub mod install;
+pub mod manager;
+pub mod native_template_functions;
+mod nodejs;
+pub mod plugin_handle;
+pub mod plugin_meta;
+mod server_ws;
+pub mod template_callback;
+mod util;