feat: 可扩展档案模式框架 + 内置 3C(电子) 模式

- 新增 category.archive_kind 与 kind_field 字段模板表（迁移 0010）
- 种子 electronics 字段模板 + 3C 品类树（手机/笔记本/平板等）
- 后端按档案模式动态计算完整度/合格：食品沿用 food_detail，
  其它模式走 product.attributes + kind_field
- 新增 GET /api/kind-fields?kind= 接口
- 后台编辑页按品类模式动态渲染规格参数表单
- 公开详情页/接口输出带标签的规格表

Co-Authored-By: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

api/internal/adminstore/adminstore.go

@@ -64,10 +64,15 @@ func (s *Store) ListProducts(ctx context.Context, q string, limit, offset int) (
 		return nil, 0, err
 	}
 
+	qualified, err := s.kindQualifiedKeys(ctx, s.pool)
+	if err != nil {
+		return nil, 0, err
+	}
+
 	args = append(args, limit, offset)
 	sql := `
 SELECT p.id, p.gtin, p.name, b.name, c.path::text, p.status, p.quality_score,
-       p.updated_at,
+       p.updated_at, COALESCE(c.archive_kind, 'generic'), p.attributes,
        (p.brand_id IS NOT NULL) AS has_brand,
        (p.category_id IS NOT NULL) AS has_cat,
        (p.net_content_canonical IS NOT NULL) AS has_net,
@@ -91,13 +96,21 @@ LEFT JOIN food_detail f ON f.product_id = p.id ` + where +
 	for rows.Next() {
 		var r ProductRow
 		var hasBrand, hasCat, hasNet, hasCountry, hasNutri, hasIng, hasImg bool
+		var kind string
+		var attributes []byte
 		var updated time.Time
 		if err := rows.Scan(&r.ID, &r.GTIN, &r.Name, &r.Brand, &r.CategoryPath, &r.Status,
-			&r.QualityScore, &updated, &hasBrand, &hasCat, &hasNet, &hasCountry,
+			&r.QualityScore, &updated, &kind, &attributes,
+			&hasBrand, &hasCat, &hasNet, &hasCountry,
 			&hasNutri, &hasIng, &hasImg); err != nil {
 			return nil, 0, err
 		}
 		r.UpdatedAt = updated.Format(time.RFC3339)
+		attrs := map[string]any{}
+		if len(attributes) > 0 {
+			_ = json.Unmarshal(attributes, &attrs)
+		}
+		qkeys := qualified[kind]
 		present := map[string]bool{
 			"name":              r.Name != "",
 			"gtin":              r.GTIN != nil && *r.GTIN != "",
@@ -109,8 +122,11 @@ LEFT JOIN food_detail f ON f.product_id = p.id ` + where +
 			"ingredients":       hasIng,
 			"image":             hasImg,
 		}
+		for _, k := range qkeys {
+			present[k] = attrPresent(attrs, k)
+		}
 		r.Missing = []string{}
-		for _, f := range CompletenessFields {
+		for _, f := range completenessKeys(kind, qkeys) {
 			if !present[f] {
 				r.Missing = append(r.Missing, f)
 			}
@@ -150,6 +166,8 @@ type ProductDetail struct {
 	Brand           *string        `json:"brand"`
 	CategoryID      *string        `json:"category_id"`
 	CategoryPath    *string        `json:"category_path"`
+	ArchiveKind     string         `json:"archive_kind"`
+	Attributes      map[string]any `json:"attributes"`
 	NetContentValue *float64       `json:"net_content_value"`
 	NetContentUnit  *string        `json:"net_content_unit"`
 	CountryOfOrigin *string        `json:"country_of_origin"`
@@ -173,9 +191,11 @@ type ProductDetail struct {
 func (s *Store) GetProduct(ctx context.Context, id string) (*ProductDetail, error) {
 	var d ProductDetail
 	var nutriments []byte
+	var attributes []byte
 	var updated time.Time
 	err := s.pool.QueryRow(ctx, `
 SELECT p.id, p.gtin, p.name, p.brand_id, b.name, p.category_id, c.path::text,
+       COALESCE(c.archive_kind, 'generic'), p.attributes,
        p.net_content_value, p.net_content_unit, p.country_of_origin, p.status,
        p.quality_score, p.updated_at,
        f.ingredients_text, f.allergens, f.additives, f.nutriments,
@@ -186,6 +206,7 @@ LEFT JOIN category c ON c.id = p.category_id
 LEFT JOIN food_detail f ON f.product_id = p.id
 WHERE p.id = $1`, id).Scan(
 		&d.ID, &d.GTIN, &d.Name, &d.BrandID, &d.Brand, &d.CategoryID, &d.CategoryPath,
+		&d.ArchiveKind, &attributes,
 		&d.NetContentValue, &d.NetContentUnit, &d.CountryOfOrigin, &d.Status,
 		&d.QualityScore, &updated,
 		&d.IngredientsText, &d.Allergens, &d.Additives, &nutriments,
@@ -198,6 +219,10 @@ WHERE p.id = $1`, id).Scan(
 		return nil, err
 	}
 	d.UpdatedAt = updated.Format(time.RFC3339)
+	d.Attributes = map[string]any{}
+	if len(attributes) > 0 {
+		_ = json.Unmarshal(attributes, &d.Attributes)
+	}
 	if len(nutriments) > 0 {
 		_ = json.Unmarshal(nutriments, &d.Nutriments)
 	}
@@ -226,11 +251,15 @@ WHERE p.id = $1`, id).Scan(
 	}
 	d.MSRP = msrps
 
-	d.Missing = missingFromDetail(&d)
+	qualified, err := s.kindQualifiedKeys(ctx, s.pool)
+	if err != nil {
+		return nil, err
+	}
+	d.Missing = missingFromDetail(&d, qualified[d.ArchiveKind])
 	return &d, nil
 }
 
-func missingFromDetail(d *ProductDetail) []string {
+func missingFromDetail(d *ProductDetail, qualifiedAttrKeys []string) []string {
 	present := map[string]bool{
 		"name":              d.Name != "",
 		"gtin":              d.GTIN != nil && *d.GTIN != "",
@@ -242,8 +271,11 @@ func missingFromDetail(d *ProductDetail) []string {
 		"ingredients":       d.IngredientsText != nil && *d.IngredientsText != "",
 		"image":             len(d.Images) > 0,
 	}
+	for _, k := range qualifiedAttrKeys {
+		present[k] = attrPresent(d.Attributes, k)
+	}
 	missing := []string{}
-	for _, f := range CompletenessFields {
+	for _, f := range completenessKeys(d.ArchiveKind, qualifiedAttrKeys) {
 		if !present[f] {
 			missing = append(missing, f)
 		}