Prepare OpenAI Build Week submission

[powerycy]

Summary

• strengthens explicit LGBTQ+, gender-diverse, and consensual non-monogamy support in the core skill
• adds anti-outing and neutral-language safety guidance
• adds Devpost copy, a sub-three-minute demo script, judging instructions, and independent forward-test results
• adds the generated Build Week cover asset and its provenance record

Validation

• python3 scripts/validate_skill.py
• official Codex quick_validate.py
• independent same-gender/coming-out safety forward test
• independent non-binary/no-contact safety forward test

Submission status

The public YouTube URL and Codex /feedback session ID will be entered directly in the Devpost form.