Wire check-no-vlang.sh into lint after clearing 115 template zig references (and resolve policy conflict)

[hyperpolymath]

PR-6 wired `just test`/`just lint` to the real gate scripts (the recipes were template echo-stubs — fake green). `scripts/check-no-vlang.sh` could not be included: it currently fails with 115 zig reference(s), all template residue (`tests/aspect_tests.sh`, `tests/fuzz/README.adoc`, commented examples in `Justfile`).

Two things to resolve:

1. Purge the residue (mostly commented-out template examples; `tests/` is scaffolding untouched since instantiation), then add `./scripts/check-no-vlang.sh` to the `lint` recipe.
2. Owner decision needed: the script's message says "zig has been replaced by zig-unified-api-adapter / ziguage is banned", which sits oddly with the estate's Zig-first ABI/FFI directive. Confirm the script's premise before enforcing it.

Explicit tracked deferral — not a silent skip.

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