feat: 添加MCP调试插件并优化流式超时处理

refactor(relay): 将Provider Key管理路由移至model_config模块
fix(saas): 修复demo_keys与provider_keys的匹配逻辑
perf(runtime): 将流式响应超时从60秒延长至180秒以适配思考型模型
docs: 新增模块化审计和上线前功能测试方案文档
chore: 添加tauri-plugin-mcp依赖及相关配置

crates/zclaw-saas/src/model_config/service.rs

@@ -230,7 +230,7 @@ pub async fn create_model(db: &PgPool, req: &CreateModelRequest) -> SaasResult<M
         "INSERT INTO models (id, provider_id, model_id, alias, context_window, max_output_tokens, supports_streaming, supports_vision, enabled, pricing_input, pricing_output, created_at, updated_at)
          VALUES ($1, $2, $3, $4, $5, $6, $7, $8, true, $9, $10, $11, $11)"
     )
-    .bind(&id).bind(&req.provider_id).bind(&req.model_id).bind(&req.alias)
+    .bind(&id).bind(&req.provider_id).bind(&req.model_id).bind(req.alias.as_deref().unwrap_or(&req.model_id))
     .bind(ctx).bind(max_out).bind(streaming).bind(vision).bind(pi).bind(po).bind(&now)
     .execute(db).await.map_err(|e| SaasError::from_sqlx_unique(e, &format!("模型 '{}' 在 Provider '{}'", req.model_id, req.provider_id)))?;