Layer 5 focuses on sharing AI interactions as "information + personality":
- SharedInteraction: Problem, approach, result with author profile
- ShareableProfile: User essence from Layer 3.5 + Layer 4
- Privacy-first: Share patterns, not raw data
- Use cases: AI-era GitHub Gist, knowledge SNS, persona showcase
Philosophy: People seek both useful information and authentic personality.
Like SNS/streaming, the combination creates value. Information alone is
sterile; personality alone is hollow.
Updated:
- docs/ARCHITECTURE.md: Comprehensive Layer 5 design with data models
- README.md: Added Layer 5 feature overview
- Layer overview diagram updated
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