v0.9.2

• Declarative per-endpoint exception handling via error_map
• Fully compatible with FastAPI's APIRouter
• OpenAPI schema generation from error handling rules
• Custom response translators via ErrorTranslator protocol
• Optional on_error hooks for logging / side effects
• Route-level overrides: default_on_error, default_client_error_translator, etc.
• Strict unmapped error detection (warn_on_unmapped=True by default)