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presenter/CLAUDE.md
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argoyle 44464c0a85
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fix: update module path from gitlab to git.unbound.se
Change the module path in various files to reflect the new 
repository location on git.unbound.se. Update imports in 
CLAUDE.md, error_test.go, and presenter_test.go to ensure 
compatibility with the updated module path. Remove outdated 
CI configuration in .pre-commit-config.yaml to streamline 
the setup. This enhances consistency and aligns the project 
with its new hosting platform.
2026-01-09 09:26:03 +01:00

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Markdown

# presenter
Shared Go library for GraphQL error presentation with coded errors.
## Shared Documentation
@../docs/claude/architecture.md
@../docs/claude/go-services.md
@../docs/claude/graphql.md
@../docs/claude/conventions.md
## Library Information
### Purpose
Provides a standardized GraphQL error presenter that handles coded errors across all microservices. Converts internal error codes to GraphQL error extensions.
### Usage
```go
import "git.unbound.se/shiny/presenter"
// Create error presenter with valid codes and entities
errorPresenter := presenter.New(logger, validCodes, validEntities, internalErrorCode)
// Use in gqlgen server config
srv := handler.NewDefaultServer(generated.NewExecutableSchema(cfg))
srv.SetErrorPresenter(errorPresenter)
```
### Key Types
- `CodedError` - Error type with code, entity, and params
- `Code` - Error code type
- `Entity` - Error entity type
### Error Extensions
Errors are presented with extensions:
- `code` - The error code (mapped to valid codes or internal error)
- `errorEntity` - The entity related to the error (optional)
- `params` - Additional error parameters (optional)