feat(webdav): follow-up 补齐自动同步与大文件防护 (#1043)

* feat(webdav): add robust auto sync with failure feedback

(cherry picked from commit bb6760124a62a964b36902c004e173534910728f)

* fix(webdav): enforce bounded download and extraction size

(cherry picked from commit 7777d6ec2b9bba07c8bbba9b04fe3ea6b15e0e79)

* fix(webdav): only show auto-sync callout for auto-source errors

* refactor(webdav): remove services->commands auto-sync dependency

src-tauri/src/database/mod.rs

@@ -37,7 +37,7 @@ pub use dao::OmoGlobalConfig;
 
 use crate::config::get_app_config_dir;
 use crate::error::AppError;
-use rusqlite::Connection;
+use rusqlite::{hooks::Action, Connection};
 use serde::Serialize;
 use std::sync::Mutex;
 
@@ -76,6 +76,17 @@ pub struct Database {
     pub(crate) conn: Mutex<Connection>,
 }
 
+fn register_db_change_hook(conn: &Connection) {
+    conn.update_hook(Some(
+        |action: Action, _database: &str, table: &str, _row_id: i64| match action {
+            Action::SQLITE_INSERT | Action::SQLITE_UPDATE | Action::SQLITE_DELETE => {
+                crate::services::webdav_auto_sync::notify_db_changed(table);
+            }
+            _ => {}
+        },
+    ));
+}
+
 impl Database {
     /// 初始化数据库连接并创建表
     ///
@@ -93,6 +104,7 @@ impl Database {
         // 启用外键约束
         conn.execute("PRAGMA foreign_keys = ON;", [])
             .map_err(|e| AppError::Database(e.to_string()))?;
+        register_db_change_hook(&conn);
 
         let db = Self {
             conn: Mutex::new(conn),
@@ -111,6 +123,7 @@ impl Database {
         // 启用外键约束
         conn.execute("PRAGMA foreign_keys = ON;", [])
             .map_err(|e| AppError::Database(e.to_string()))?;
+        register_db_change_hook(&conn);
 
         let db = Self {
             conn: Mutex::new(conn),