Initial commit of Descrybe v2 without local scratch artifacts.

Drop one-shot tmp/axe scripts and agent i18n scratch so the Gitea tree is deployable.

apps/api/internal/eprel/id.go

@@ -0,0 +1,95 @@
+package eprel
+
+import (
+	"encoding/json"
+	"fmt"
+	"strconv"
+	"strings"
+)
+
+var eprelIDKeys = []string{
+	"eprel_id",
+	"EPRELID",
+	"eprelId",
+	"EprelId",
+	"eprelID",
+}
+
+// NormalizeID coerces XML/API values (string, number, {"#text": ...}) to a trimmed ID.
+func NormalizeID(v any) string {
+	if v == nil {
+		return ""
+	}
+	switch t := v.(type) {
+	case string:
+		return strings.TrimSpace(t)
+	case json.Number:
+		s := strings.TrimSpace(t.String())
+		if i := strings.IndexByte(s, '.'); i >= 0 {
+			s = s[:i]
+		}
+		return s
+	case float64:
+		if t != t { // NaN
+			return ""
+		}
+		return strconv.FormatInt(int64(t), 10)
+	case float32:
+		return strconv.FormatInt(int64(t), 10)
+	case int:
+		return strconv.Itoa(t)
+	case int64:
+		return strconv.FormatInt(t, 10)
+	case int32:
+		return strconv.FormatInt(int64(t), 10)
+	case json.RawMessage:
+		var decoded any
+		if err := json.Unmarshal(t, &decoded); err != nil {
+			return ""
+		}
+		return NormalizeID(decoded)
+	case map[string]any:
+		if text, ok := t["#text"]; ok {
+			return NormalizeID(text)
+		}
+		if text, ok := t["text"]; ok {
+			return NormalizeID(text)
+		}
+	default:
+		s := strings.TrimSpace(fmt.Sprint(t))
+		if s == "" || s == "<nil>" {
+			return ""
+		}
+		return s
+	}
+	return ""
+}
+
+// IsValidID reports whether v normalizes to a non-empty EPREL registration id.
+func IsValidID(v any) bool {
+	return NormalizeID(v) != ""
+}
+
+// ExtractID finds an EPREL ID in mapped and/or raw product field maps
+// (vendor feeds often use <EPRELID/> / eprel_id).
+func ExtractID(sources ...map[string]any) string {
+	for _, src := range sources {
+		if src == nil {
+			continue
+		}
+		for _, key := range eprelIDKeys {
+			if id := NormalizeID(src[key]); id != "" {
+				return id
+			}
+		}
+		for key, value := range src {
+			compact := strings.ToLower(strings.ReplaceAll(key, "_", ""))
+			if compact == "eprelid" {
+				if id := NormalizeID(value); id != "" {
+					return id
+				}
+			}
+		}
+	}
+	return ""
+}