5808784f07
* fix: prevent crash on malformed MCP server config (#5666) * fix: prevent crash on malformed MCP server config (#5666) * fix: validate MCP connection before persisting server config * fix: guard mcpServers type before iterating server list * refactor: use typed empty-config error and extract MCP rollback helper * fix: translate error messages and comments to English for consistency --------- Co-authored-by: Soulter <905617992@qq.com>