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/processing/errors_test.go

@@ -0,0 +1,37 @@
+package processing
+
+import (
+	"errors"
+	"fmt"
+	"testing"
+)
+
+func TestClientErrorRecognizesRateLimit(t *testing.T) {
+	msg, ok := ClientError(ErrRateLimited)
+	if !ok {
+		t.Fatal("expected ErrRateLimited to be a client error")
+	}
+	if msg != ErrRateLimited.Error() {
+		t.Fatalf("msg=%q", msg)
+	}
+	if !errors.Is(ErrRateLimited, ErrRateLimited) {
+		t.Fatal("sentinel identity broken")
+	}
+}
+
+func TestClientErrorRecognizesWrappedTooManyProducts(t *testing.T) {
+	err := fmt.Errorf("%w (max %d)", ErrTooManyProducts, 50)
+	msg, ok := ClientError(err)
+	if !ok {
+		t.Fatal("expected wrapped ErrTooManyProducts")
+	}
+	if msg != "too many products (max 50)" {
+		t.Fatalf("msg=%q", msg)
+	}
+}
+
+func TestClientErrorRejectsOpaqueErrors(t *testing.T) {
+	if _, ok := ClientError(errors.New("pq: connection refused")); ok {
+		t.Fatal("opaque DB error must not be treated as client-safe")
+	}
+}