2026-08-31 - libkernel_vaddrs example

A selfish-container example printing every defined export of a module as encoded-NID vaddr (section != 0, value != 0), built on dynamic::symbols. The raw form that proves the vaddr measurement; naming the NIDs needs the mined corpus and happens in obSCEne (obscene-tool vaddrs). See D088. Clippy-clean under the gate.