English-first template paths and package update.\n\nChanges:\n- Renamed template files and fake vault folders to English paths.\n- Updated MCP defaults to use research-memory-vault/00-control/10-projects.\n- Updated setup docs, opencode/Pi config examples, and npm smoke tests.\n- Kept README.zh-CN.md as Chinese documentation with updated English paths.\n\nValidation:\n- npm run smoke\n- npm run smoke:fake\n- npm pack --dry-run\n- privacy/path scan for old Chinese vault paths and common secret patterns