docs: Add clarifying comment for plugin parameter type

Explain why the plugin parameter uses Any type instead of a generic:
- Velocity's EventManager.register() accepts Object
- Generic type provides little practical benefit given the API design
- Typically receives the main plugin instance

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/platform-velocity/src/main/kotlin/dev/m1sk9/lunaticChat/velocity/messaging/PluginMessageHandler.kt b/platform-velocity/src/main/kotlin/dev/m1sk9/lunaticChat/velocity/messaging/PluginMessageHandler.kt
index fb69fa4..74da9f2 100644
--- a/platform-velocity/src/main/kotlin/dev/m1sk9/lunaticChat/velocity/messaging/PluginMessageHandler.kt
+++ b/platform-velocity/src/main/kotlin/dev/m1sk9/lunaticChat/velocity/messaging/PluginMessageHandler.kt
@@ -14,6 +14,12 @@ import org.slf4j.Logger
  * Handles plugin messages from Paper servers
  */
 class PluginMessageHandler(
+    /**
+     * Plugin instance used for event registration.
+     * Type is [Any] because Velocity's EventManager.register() accepts Object.
+     * Could be made generic, but provides little practical benefit since the API itself is not type-safe.
+     * Typically the main plugin instance is passed here.
+     */
     private val plugin: Any,
     private val server: ProxyServer,
     private val logger: Logger,