fix

apps/api/internal/processing/prompt_render_test.go

@@ -105,6 +105,39 @@ func TestResolveProductPromptTemplates_categoryWithTitleFormula(t *testing.T) {
 	}
 }
 
+func TestResolveProductPromptTemplates_derivesFormulaFromPromptHTML(t *testing.T) {
+	t.Parallel()
+	prompt := aiprompts.SectionTitleStart + "\n" +
+		`Napiši novo ime izdelka po formuli: "tip izdelka sentence case", "znamka", "model". Ne uporabljaj vejic.` + "\n" +
+		aiprompts.SectionTitleEnd + "\n\n" +
+		aiprompts.SectionDescriptionStart + "\n" +
+		`<H2>{Napiši Novo ime izdelka in izpostavi en benefit}</H2>` +
+		`<p>{Napiši odstavek, ki je dolg 100 besed.}</p>` +
+		`<b>{Tehnične specifikacije}</b><ul><li>{Napiši 3-10 tehničnih specifikacij}</li></ul>` + "\n" +
+		aiprompts.SectionDescriptionEnd
+	sys, user := resolveProductPromptTemplates(ProductInput{
+		EnhanceSystemTemplate: "Retail copywriter.\n- description: 1-2 sentences",
+		CategoryEnhancePrompt: prompt,
+		// Empty structured template — production A1 path often only has prompt HTML.
+		DescriptionTemplate: nil,
+	})
+	if !strings.Contains(user, "Description formula") {
+		t.Fatalf("expected Description formula derived from prompt HTML:\n%s", user)
+	}
+	if !strings.Contains(user, "- h2:") || !strings.Contains(user, "- p:") || !strings.Contains(user, "- ul:") {
+		t.Fatalf("expected h2/p/ul sections in formula:\n%s", user)
+	}
+	if !strings.Contains(sys, "Description formula") {
+		t.Fatalf("missing description system override:\n%s", sys)
+	}
+	if !strings.Contains(sys, `"name" MUST be rewritten`) {
+		t.Fatalf("missing title rewrite system override:\n%s", sys)
+	}
+	if descriptionSatisfiesFormula("plain Slovenian prose without tags", aiprompts.EffectiveDescriptionTemplateAny(nil, prompt)) {
+		t.Fatal("plain prose must fail derived formula gate")
+	}
+}
+
 func TestResolveProductPromptTemplates_fallsBackToCompany(t *testing.T) {
 	t.Parallel()
 	_, user := resolveProductPromptTemplates(ProductInput{