Add detailed portfolio status and preserve project art

[dcmcshan]

Summary

• add a dated project status file with readiness, evidence, and release gates
• preserve existing source-grounded visual systems
• add editorial hero art only where the public site lacked a usable visual asset

Validation

• source review completed
• Programs Astro build completed successfully
• Salon build remains blocked in the isolated checkout by the local file dependency on ../CastaliaInstitute/castalia-platform

Generated images are labeled as editorial art and are not documentary evidence.