# Summary
- [Overview](README.md)
## User Guide
- [Why orion-error](user/why-orion-error.md)
- [Tutorial](user/tutorial.md)
- [Protocol Contract](user/protocol-contract.md)
- [Report / Exposure Boundary](user/report-exposure-boundary.md)
- [Logging](user/LOGGING.md)
- [Ecosystem Comparison](user/ecosystem-comparison.md)
- [Thiserror Comparison](user/thiserror-comparison.md)
- [Error Governance and AI](user/errors-and-ai.md)
- [Design Constraints](user/design-constraints.md)
## Developer Guide
- [Architecture](dev/architecture.md)
- [API Contract](dev/api-contract.md)
- [Compatibility Migration](dev/compat-migration.md)
- [Public Surface Grading](dev/public-surface-grading.md)
- [Release Checklist](dev/release-checklist.md)
- [StructError Allocation](dev/perf/structerror-allocation.md)
- [StructError Source Debug](dev/perf/structerror-source-debug.md)