fix: 修复 M2.1 骨架编译错误 (import/match/AppConfig 字段)

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
             }
             _ => {}
         }

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;

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"),
         }