USAGE.md
Quick start — setup, environment config, and advanced patterns
USAGE.md →
ARCHITECTURE.md
Layering, TCP packet framing, connection state machine, and reconnect
ARCHITECTURE.md →
VERSION_MAP.md
SDK release ↔ Futu OpenD protocol / proto-count mapping
VERSION_MAP.md →
IMPROVEMENT_PLAN.md
Robustness hardening — validation, nil-safety, and concurrency fixes
IMPROVEMENT_PLAN.md →
DESIGN.md
Architecture and design decisions
DESIGN.md →
SECURITY.md
Security policy and responsible disclosure
SECURITY.md →
Docs Index
Every document and its status (current vs historical)
README.md →
TESTING.md
Test layout, mock server, integration gate, benchmarks
TESTING.md →
ERRORS.md
Error codes, categories, and recovery hints
ERRORS.md →
ADR Index
Architecture Decision Records — durable design decisions
adr/README.md →