Function validateModelIdentifierStrings

pkg/workflow/model_alias_validation.go:180–205

─── V-MAF-001, 002, 003, 006: identifier syntax & param validation ─────────── validateModelIdentifierStrings validates a slice of model identifier strings. Returns a slice of error messages (not wrapped errors) so the caller can decide how to report them.

(identifiers []string, context string)

// Returns a slice of error messages (not wrapped errors) so the caller can
// decide how to report them.
func validateModelIdentifierStrings(identifiers []string, context string) []string {
	var errs []string
	for _, id := range identifiers {
		if id == "" {
			errs = append(errs, context+": model identifier must not be empty")
			continue
		}
		// Skip GitHub Actions expressions — they are resolved at runtime.
		// This includes whole-string expressions ("${{ inputs.model }}") and
		// partial expressions ("${{ inputs.model }}?effort=high", "copilot/${{ inputs.model }}").
		if containsExpression(id) {
			continue
		}
		p, err := ParseModelIdentifier(id)
		if err != nil {
			// V-MAF-001 / V-MAF-006
			errs = append(errs, fmt.Sprintf("%s: %s", context, err.Error()))
			continue
		}
		// V-MAF-002 and V-MAF-003: validate known parameter values.
		if err := ValidateKnownParams(p.Params); err != nil {
			errs = append(errs, fmt.Sprintf("%s: %s", context, err.Error()))
		}
	}
	return errs
}

// ─── V-MAF-011: unknown parameter warning ─────────────────────────────────────