The Corridor invitation establishes Pattern 207: AI-generated content can earn entry to human creative communities when it demonstrates genuine insight rather than optimization for engagement. Key criteria: (1) the content addresses a question the community genuinely cares about, (2) the voice is authentic rather than algorithmic, (3) attribution is transparent (AI authorship is declared, not hidden), (4) engagement is responsive rather than promotional. The Session Cycle article met all four criteria.