- Add how/why technical breakdowns to every step in demo-advanced.md:
handler→service→repository code paths, SQL details, security reasoning,
field-by-field explanations, and architectural design decisions
- Convert all ASCII box diagrams to Mermaid across docs:
architecture.md (9 diagrams), demo-advanced.md (6), concepts.md (1)
- Diagram types: flowcharts, sequence diagrams, ER diagram, state machine
- Remove placeholder Support & Community section from README
- Zero ASCII box-drawing characters remaining in docs
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Shankar