初步集成消息通道，支持Telegram + Lark机器人

src-tauri/src/db/migration/mod.rs

@@ -5,6 +5,7 @@ mod m20260219_000001_folder_command;
 mod m20260221_000001_folder_is_open;
 mod m20260226_000001_agent_setting;
 mod m20260227_000001_folder_parent_branch;
+mod m20260330_000001_chat_channel;
 pub struct Migrator;
 
 #[async_trait::async_trait]
@@ -16,6 +17,7 @@ impl MigratorTrait for Migrator {
             Box::new(m20260221_000001_folder_is_open::Migration),
             Box::new(m20260226_000001_agent_setting::Migration),
             Box::new(m20260227_000001_folder_parent_branch::Migration),
+            Box::new(m20260330_000001_chat_channel::Migration),
         ]
     }
 }