Add plugin description

Author: intitni

ChatPlugins/Sources/ShortcutChatPlugin/ShortcutChatPlugin.swift

@@ -6,6 +6,9 @@ public final class ShortcutChatPlugin: ChatPlugin {
     public static var id: String { "com.intii.shortcut" }
     public static var command: String { "shortcut" }
     public static var name: String { "Shortcut" }
+    public static var description: String { """
+    Run a shortcut and use message content as input. You need to provide the shortcut name as an argument, for example, `/shortcut(Shortcut Name)`.
+    """ }
 
     let terminal: TerminalType
 

ChatPlugins/Sources/TerminalChatPlugin/TerminalChatPlugin.swift

@@ -7,6 +7,11 @@ public final class TerminalChatPlugin: ChatPlugin {
     public static var id: String { "com.intii.terminal" }
     public static var command: String { "run" }
     public static var name: String { "Terminal" }
+    public static var description: String { """
+    Run the command in the message from terminal.
+    
+    You can use environment variable `$FILE_PATH` and `$PROJECT_ROOT` to access the current file path and project root.
+    """ }
 
     let terminal: TerminalType
 

Tool/Sources/ChatBasic/ChatPlugin.swift

@@ -18,6 +18,7 @@ public protocol ChatPlugin {
     static var id: String { get }
     static var command: String { get }
     static var name: String { get }
+    static var description: String { get }
     func send(_ request: Request) async -> AsyncThrowingStream<Response, any Error>
     func formatContent(_ content: Response.Content) -> Response.Content
     init()