fix

apps/api/internal/catalog/default_formulas.go

@@ -0,0 +1,86 @@
+package catalog
+
+import (
+	"context"
+
+	"github.com/descrybe/descrybe-v2/apps/api/internal/aiprompts"
+	"github.com/descrybe/descrybe-v2/apps/api/internal/company"
+	"github.com/google/uuid"
+	"github.com/jackc/pgx/v5/pgconn"
+)
+
+// DefaultFormulaTarget is one freshly created category to seed formulas onto.
+type DefaultFormulaTarget struct {
+	ID       uuid.UUID
+	UniqueID string
+	Name     string
+}
+
+// pgxExecer is the subset of pgxpool.Pool / pgx.Tx used here so the helper works
+// inside the CSV import transaction as well as on the plain pool.
+type pgxExecer interface {
+	Exec(ctx context.Context, sql string, args ...any) (pgconn.CommandTag, error)
+}
+
+// applyDefaultCategoryFormulasSQL fills prompt / title_template / description_template
+// on newly created categories. Only empty columns are written, so a tenant that
+// already authored a formula (or an A1 category carrying its Slovenian legacy
+// prompt) is never overwritten.
+const applyDefaultCategoryFormulasSQL = `
+	UPDATE categories AS c SET
+		prompt = CASE
+			WHEN c.prompt IS NULL OR c.prompt = '{}'::jsonb
+			THEN v.prompt::jsonb ELSE c.prompt END,
+		title_template = CASE
+			WHEN c.title_template IS NULL OR c.title_template::text IN ('null', '{}')
+			THEN NULLIF(v.title_template, '')::jsonb ELSE c.title_template END,
+		description_template = CASE
+			WHEN c.description_template IS NULL OR c.description_template::text IN ('null', '{}')
+			THEN NULLIF(v.description_template, '')::jsonb ELSE c.description_template END,
+		updated_at = now()
+	FROM (
+		SELECT * FROM unnest($2::uuid[], $3::text[], $4::text[], $5::text[])
+			AS t(id, prompt, title_template, description_template)
+	) AS v
+	WHERE c.id = v.id AND c.company_id = $1`
+
+// ApplyDefaultCategoryFormulas gives newly created categories the platform-default
+// formulas (English, same style as the A1 legacy templates) when they have none.
+//
+// New categories get a working title/description/meta formula out of the box
+// instead of falling through to generic "1-3 paragraphs" copy. Existing rows are
+// untouched — this only runs at create time. A1 categories keep their Slovenian
+// prompts because seed-a1 writes them and the SQL never overwrites a set column.
+func ApplyDefaultCategoryFormulas(ctx context.Context, db pgxExecer, companyID uuid.UUID, targets ...DefaultFormulaTarget) error {
+	if db == nil || len(targets) == 0 {
+		return nil
+	}
+	ids := make([]uuid.UUID, 0, len(targets))
+	prompts := make([]string, 0, len(targets))
+	titles := make([]string, 0, len(targets))
+	descs := make([]string, 0, len(targets))
+	for _, t := range targets {
+		if t.ID == uuid.Nil {
+			continue
+		}
+		def := aiprompts.DefaultCategoryFormula(t.UniqueID, t.Name)
+		if def.Overlay == "" {
+			continue
+		}
+		// "*" applies to every content language: the formula text is English while
+		// {{language}} still selects the output language at render time.
+		promptJSON, err := company.EncodeLangPromptMap(company.LangPromptMap{"*": def.Overlay})
+		if err != nil {
+			return err
+		}
+		ids = append(ids, t.ID)
+		prompts = append(prompts, string(promptJSON))
+		titles = append(titles, def.TitleTemplateJSON)
+		descs = append(descs, def.DescriptionTemplateJSON)
+	}
+	if len(ids) == 0 {
+		return nil
+	}
+	_, err := db.Exec(ctx, applyDefaultCategoryFormulasSQL, companyID, ids, prompts, titles, descs)
+	return err
+}