refactor: python -> go

internal/model/plugin.go

@@ -0,0 +1,28 @@
+package model
+
+import (
+	"errors"
+)
+
+var (
+	// ErrPluginNotFound is returned when a requested plugin doesn't exist
+	ErrPluginNotFound = errors.New("plugin not found")
+)
+
+// Plugin defines the interface all chat plugins must implement
+type Plugin interface {
+	// GetID returns the plugin ID
+	GetID() string
+	
+	// GetName returns the plugin name
+	GetName() string
+	
+	// GetHelp returns the plugin help text
+	GetHelp() string
+	
+	// RequiresConfig indicates if the plugin requires configuration
+	RequiresConfig() bool
+	
+	// OnMessage processes an incoming message and returns response messages
+	OnMessage(msg *Message, config map[string]interface{}) []*Message
+}