* fix: limit cookie template rendering to manually-set cookies and narrow template file access
* fix: only expand nested templates for variable substitution, not direct tag output
* test: cover OAuth2 access token exposure via the request tag for nested-template regression
* sec: exclude response-sourced cookies from WebSocket/Socket.IO connect rendering
* test: fix mTLS/cert smoke tests relying on secure-read-file path-prefix bug
* test: scope mtls smoke test locator to avoid strict-mode collision
* sec: close hard-link bypass of reserved NeDB database file check
* fix: avoid doubled path separator when allowlisted folder is a filesystem root
