fix

apps/api/internal/processing/prompt_render.go

@@ -8,6 +8,7 @@ import (
 )
 
 func resolveProductPromptTemplates(in ProductInput) (systemTpl, userTpl string) {
+	in = withDefaultCategoryFormula(in)
 	systemTpl = strings.TrimSpace(in.EnhanceSystemTemplate)
 	userTpl = strings.TrimSpace(in.EnhanceUserTemplate)
 	catPrompt := strings.TrimSpace(in.CategoryEnhancePrompt)
@@ -17,8 +18,12 @@ func resolveProductPromptTemplates(in ProductInput) (systemTpl, userTpl string)
 	// <name>/<metaDescription>/HTML). When formulas are set, rebuild that shape
 	// instead of burying instructions under the generic retail copywriter overlay.
 	if categoryUsesA1StyleFormula(catPrompt, in.TitleTemplate, descTpl) {
-		userTpl = buildA1StyleEnhanceUserTemplate(catPrompt, in.TitleTemplate, descTpl, in.OmitSEOMeta)
-		systemTpl = a1StyleEnhanceSystemTemplate
+		var slovenianFormula bool
+		userTpl, slovenianFormula = buildA1StyleEnhanceUserTemplate(catPrompt, in.TitleTemplate, descTpl, in.OmitSEOMeta)
+		systemTpl = a1StyleEnhanceSystemTemplateEN
+		if slovenianFormula {
+			systemTpl = a1StyleEnhanceSystemTemplateSL
+		}
 		allowed := enhanceAllowedAttrKeys(in, in.CategoryUniqueID)
 		userTpl = AppendAttributeConstraints(userTpl, allowed, in.TitleTemplate)
 		return systemTpl, userTpl
@@ -59,6 +64,47 @@ func resolveProductPromptTemplates(in ProductInput) (systemTpl, userTpl string)
 	return systemTpl, userTpl
 }
 
+// withDefaultCategoryFormula supplies the platform-default formula when the
+// category carries none of its own.
+//
+// Categories created before defaults existed (and any tenant who never opened the
+// formula editor) would otherwise enhance through the generic "1-3 factual
+// paragraphs" rule and produce copy shaped by the feed rather than by a formula.
+// The default is the English translation of the A1 template style; a category that
+// has its own prompt or formula — every A1 category — is returned untouched.
+func withDefaultCategoryFormula(in ProductInput) ProductInput {
+	// Only categorised products: with no category there is nothing to look a
+	// default up for, and the company/built-in enhance template still applies.
+	if strings.TrimSpace(in.CategoryUniqueID) == "" && strings.TrimSpace(in.CategoryDisplayName) == "" {
+		return in
+	}
+	// A tenant-authored enhance template is an explicit choice and outranks any
+	// platform default.
+	if !aiprompts.IsBuiltInProductEnhanceUserTemplate(in.EnhanceUserTemplate) {
+		return in
+	}
+	if strings.TrimSpace(in.CategoryEnhancePrompt) != "" {
+		return in
+	}
+	if FormatTitleFormulaConstraint(in.TitleTemplate) != "" ||
+		FormatDescriptionFormulaConstraint(in.DescriptionTemplate) != "" ||
+		FormatMetaFormulaConstraint(in.DescriptionTemplate) != "" {
+		return in
+	}
+	def := aiprompts.DefaultCategoryFormula(in.CategoryUniqueID, in.CategoryDisplayName)
+	if def.Overlay == "" {
+		return in
+	}
+	in.CategoryEnhancePrompt = def.Overlay
+	if in.TitleTemplate == nil && def.TitleTemplateJSON != "" {
+		in.TitleTemplate = decodeOptionalJSONObject([]byte(def.TitleTemplateJSON))
+	}
+	if in.DescriptionTemplate == nil && def.DescriptionTemplateJSON != "" {
+		in.DescriptionTemplate = decodeOptionalJSONObject([]byte(def.DescriptionTemplateJSON))
+	}
+	return in
+}
+
 // thinEnhanceUserInstruction is prepended when Desc is empty or ≈ Name so the model
 // builds copy from Attrs+Category instead of echoing the title.
 const thinEnhanceUserInstruction = "Build the description from Attrs and Category only; never copy Name."