feat: .tsb backup import/restore functionality

server/api.py

@@ -369,6 +369,37 @@ async def api_export_backup():
                     headers={"Content-Disposition": "attachment; filename=turbosu_backup.tsb"})
 
 
+@router.post("/backup/import")
+async def api_import_backup(file: UploadFile = File(...)):
+    if not file.filename or not file.filename.endswith('.tsb'):
+        raise HTTPException(400, "Only .tsb files are accepted")
+
+    import io, zipfile, shutil
+    zip_data = await file.read()
+    base = Path(__file__).resolve().parent.parent
+
+    try:
+        with zipfile.ZipFile(io.BytesIO(zip_data), 'r') as zf:
+            for name in zf.namelist():
+                if name.endswith('/') or '__pycache__' in name:
+                    continue
+                dest = base / name
+                dest.parent.mkdir(parents=True, exist_ok=True)
+                dest.write_bytes(zf.read(name))
+
+        from config.settings import reload_config
+        reload_config()
+        from models.dashboard import dashboard_manager
+        import importlib
+        importlib.reload(__import__('models.dashboard', fromlist=['dashboard_manager']))
+        from server.game_manager import game_plugin_manager
+        game_plugin_manager.reload()
+
+        return {"ok": True, "message": "备份已恢复，请重启服务"}
+    except Exception as e:
+        return {"ok": False, "message": str(e)}
+
+
 # ---- Data Forwarding ----
 @router.get("/forward")
 async def api_list_forward_targets():

static/js/pages/settings.js

@@ -100,6 +100,17 @@ const PageSettings = {
             a.click();
         });
 
+        document.getElementById('btn-import-backup')?.addEventListener('click', () => {
+            const input = document.createElement('input'); input.type = 'file'; input.accept = '.tsb';
+            input.onchange = async (e) => {
+                const file = e.target.files[0]; if (!file) return;
+                const fd = new FormData(); fd.append('file', file);
+                const res = await fetch('/api/backup/import', { method: 'POST', body: fd });
+                const data = await res.json();
+                Toast.show(data.ok ? data.message || '恢复成功' : '恢复失败: ' + data.message, data.ok ? 'success' : 'error');
+            }; input.click();
+        });
+
         document.getElementById('settings-test-mode')?.addEventListener('change', async (e) => {
             const on = e.target.checked;
             await API.updateConfig({ ui_test_mode: on });
@@ -173,7 +184,7 @@ const PageSettings = {
 
         '<div class="settings-section"><h3>游戏插件管理</h3><div style="display:flex;gap:8px;margin-bottom:16px"><button id="btn-import-plugin" class="btn btn-secondary btn-sm">导入 .tsp</button><button id="btn-reload-plugins" class="btn btn-secondary btn-sm">重新加载</button></div><div id="settings-game-list">' + this._gamePluginListHtml(games) + '</div></div>' +
 
-        '<div class="settings-section"><h3>数据备份</h3><div class="settings-row"><div><div class="settings-label">导出全量备份</div><div class="settings-desc">打包仪表盘+场景+配置为 .tsb 文件</div></div><div class="settings-control"><button id="btn-export-backup" class="btn btn-secondary btn-sm">下载 .tsb</button></div></div></div>' +
+        '<div class="settings-section"><h3>数据备份</h3><div class="settings-row"><div><div class="settings-label">导出全量备份</div><div class="settings-desc">打包仪表盘+场景+配置为 .tsb</div></div><div class="settings-control"><button id="btn-export-backup" class="btn btn-secondary btn-sm">下载 .tsb</button></div></div><div class="settings-row"><div><div class="settings-label">恢复备份</div><div class="settings-desc">从 .tsb 文件恢复，需重启</div></div><div class="settings-control"><button id="btn-import-backup" class="btn btn-secondary btn-sm">导入 .tsb</button></div></div></div>' +
 
         '<div class="settings-section"><h3>开发工具</h3><div class="settings-row"><div><div class="settings-label">UI 测试模式</div><div class="settings-desc">本地随机模拟遥测数据</div></div><div class="settings-control"><label class="switch-label"><input type="checkbox" id="settings-test-mode" ' + (cfg.ui_test_mode?'checked':'') + '><span class="switch-track"></span></label></div></div></div>' +