Function firstString

internal/retrieval/opensearch_kb.go:135–147

(m map[string]any, keys ...string)

}

func firstString(m map[string]any, keys ...string) string {
	for _, k := range keys {
		if v, ok := m[k]; ok {
			switch t := v.(type) {
			case string:
				if s := strings.TrimSpace(t); s != "" {
					return s
				}
			}
		}
	}
	return ""
}