Function NormalizeExcludedModels

internal/config/config.go:1127–1148

NormalizeExcludedModels trims, lowercases, and deduplicates model exclusion patterns. It preserves the order of first occurrences and drops empty entries.

(models []string)

// NormalizeExcludedModels trims, lowercases, and deduplicates model exclusion patterns.
// It preserves the order of first occurrences and drops empty entries.
func NormalizeExcludedModels(models []string) []string {
	if len(models) == 0 {
		return nil
	}
	seen := make(map[string]struct{}, len(models))
	out := make([]string, 0, len(models))
	for _, raw := range models {
		trimmed := strings.ToLower(strings.TrimSpace(raw))
		if trimmed == "" {
			continue
		}
		if _, exists := seen[trimmed]; exists {
			continue
		}
		seen[trimmed] = struct{}{}
		out = append(out, trimmed)
	}
	if len(out) == 0 {
		return nil
	}
	return out
}

// NormalizeOAuthExcludedModels cleans provider -> excluded models mappings by normalizing provider keys
// and applying model exclusion normalization to each entry.