Implements CorsSettings struct with validation and deserialization support
for configuring Cross-Origin Resource Sharing in the application settings.
Ref: T010 (specs/001-modbus-relay-control)
Add comprehensive CORS planning documentation and task breakdown for
Phase 0.5 (8 tasks: T009-T016).
- Create research-cors.md with security analysis and decisions
- Add FR-022a to spec.md for production CORS requirements
- Update tasks.md: 94 → 102 tasks across 9 phases
- Document CORS in README and plan.md
Configuration approach: hybrid (configurable origins/credentials,
hardcoded methods/headers) with restrictive fail-safe defaults.
Create type-safe TypeScript API client automatically generated from the
OpenAPI specification. Includes generated schema types and documented client
wrapper for type-safe backend communication.
Ref: T008 (specs/001-modbus-relay-control)
