Add comprehensive documentation for boundary type analysis
Documents the complete implementation of TypeScript type analysis
for server→client component boundaries, including:
- Problem statement and solution architecture
- Complete specification with examples
- Implementation details and code structure
- Type-based analysis rules (primitives vs objects vs functions)
- Source tracking and display format specs
- Edge cases, limitations, and debugging guide
- Evolution history showing design decisions
- Full walkthrough example with expected output
This serves as both implementation reference and onboarding guide
for understanding the boundary detection system.
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Co-Authored-By: Claude <noreply@anthropic.com>