xbb: renderer surface probe

xbb: remove shadow workflow, restore clean PoC

Create: build-and-deploy-pages.yaml, Delete: build-and-deploy-pages.yaml

Create: build-and-deploy-pages.yaml

xbb: measure Pages build credential scope

xbb: restore clean PoC for report 20114

xbb: file-capability exec test

xbb: capability ceiling measurement

xbb: restore clean PoC for report 20114

xbb: gateway probe only, no symlink

xbb: complete probe plugin with tag registration

xbb: render probe log

Update: xbb.rb, index.md

xbb: restore clean PoC page for report 20114

xbb: measure userns/io_uring gates via fiddle

xbb: restore PoC tag, add seccomp gate measurement

Update: xbb.rb

Update: xbb.rb

Update: xbb.rb

Update: xbb.rb