Added deterministic `resources.json` and `regen_resources.py`.
Extended `verify_resource.py` with receiver assembly/proof and requested negative cases.
Updated specification, audit, status, and tool documentation.
Fixed an unrelated nondeterministic wrong-ticket test in verify_stamps.py.
Confirmed vector regeneration is byte-identical.
Confirmed no tracked reliance on specenv or user-specific paths.
git diff --check: pass.
Complete pinned suite: 16 passed, 0 failed.
