template-validation

# Template Validation This skill helps validate custom `dotnet new` templates for correctness before publishing. It encodes the validation rules that catch common authoring mistakes — issues that cause templates to silently fail, produce broken projects, or not appear in `dotnet new list`. ## When to Use - User asks to check or validate a template.json file - User reports "my template doesn't show up after installing" - User wants to review a template before packaging and publishing to NuGet - User encounters unexpected behavior from a custom template ## When Not to Use - User wants to find or use existing templates — route to `template-discovery` - User wants to create a project — route to `template-instantiation` - User wants to create a template from an existing project — route to `template-authoring` ## Inputs | Input | Required | Description | |-------|----------|-------------| | template.json path | Yes | Path to the template.json file or the template directory containing `.template.config/template.json` | ## Validation Rules When reviewing a template.json, check ALL of the following categories systematically. Report every finding as an error, warning, or suggestion. ### 1. Required Fields | Field | Severity | Rule | |-------|----------|------| | `identity` | ERROR | Must be present and non-empty | | `name` | ERROR | Must be present and non-empty | | `shortName` | ERROR | Must be present and non-empty | | `sourceName` | WARNING | Without it, `--name` won't cu...