diff --git a/src/core/tests.rs b/src/core/tests.rs
index 2fc3c58..cdf6294 100644
--- a/src/core/tests.rs
+++ b/src/core/tests.rs
@@ -103,6 +103,9 @@ fn message_label(message: &Message) -> String {
         Message::DeviceCommand(_) => "device_command".to_string(),
         Message::DeviceResponse(_) => "device_response".to_string(),
         Message::DeviceEvent(_) => "device_event".to_string(),
+        Message::ChatRequest(_) => "chat_request".to_string(),
+        Message::ChatResponse(_) => "chat_response".to_string(),
+        Message::AiModelEvent(_) => "ai_model_event".to_string(),
     }
 }
 
diff --git a/src/plugins/ai/mod.rs b/src/plugins/ai/mod.rs
index 5a28baa..8f76f83 100644
--- a/src/plugins/ai/mod.rs
+++ b/src/plugins/ai/mod.rs
@@ -24,7 +24,7 @@ pub mod model_manager;
 
 pub use chat::{ChatPipeline, SessionContext};
 
-use crate::core::message::{Message, StateChanged};
+use crate::core::message::Message;
 use crate::core::plugin::*;
 use anyhow::Result;
 use std::path::PathBuf;
@@ -137,7 +137,6 @@ impl Plugin for AiPlugin {
                 if new_state == "talk" || old_state == "talk" {
                     println!("[AiPlugin] 画面状态: {old_state} → {new_state}");
                 }
-                let _ = StateChanged { old_state, new_state }; // 抑制未用警告
             }
             _ => {}
         }
diff --git a/src/plugins/http/routes.rs b/src/plugins/http/routes.rs
index de71429..de74f5e 100644
--- a/src/plugins/http/routes.rs
+++ b/src/plugins/http/routes.rs
@@ -1,7 +1,7 @@
 use super::HttpState;
 use crate::core::config::{self, AppConfig};
 use crate::core::dispatch;
-use crate::core::message::{ChatInput, ChatRequest, Destination, Envelope, Message, PlayerCommand, WifiCommand};
+use crate::core::message::{ChatInput, ChatRequest, ChatResponse, Destination, Envelope, Message, PlayerCommand, WifiCommand};
 use bytes::Buf;
 use futures_util::{SinkExt, StreamExt, TryStreamExt};
 use serde::de::DeserializeOwned;
diff --git a/src/plugins/video/processor.rs b/src/plugins/video/processor.rs
index 2c5c7a3..1d9ed40 100644
--- a/src/plugins/video/processor.rs
+++ b/src/plugins/video/processor.rs
@@ -1750,6 +1750,8 @@ mod tests {
                 port: 8080,
             },
             ble: BleConfig::default(),
+            character: Default::default(),
+            ai: Default::default(),
             source_path: PathBuf::from("/tmp/config.json"),
             source_dir: PathBuf::from("/tmp"),
         }