Remove canned creative fallback content

modules/interaction/domain/chat.go

@@ -665,14 +665,11 @@ func CreativeDeterministicReply(message string) string {
 	return ""
 }
 
-// CreativeFallbackReply keeps a small creative conversation useful when the
-// cognitive channel is unavailable. It is not used when cognition returns a
-// completed richer answer.
+// CreativeFallbackReply intentionally has no canned creative content. The
+// cognitive route must construct the requested result while preserving all
+// user attributes; a degraded path must not pretend that a prepared answer
+// was generated.
 func CreativeFallbackReply(message string) string {
-	tokens := semanticTokens(message)
-	if IsCreativeRequest(message) && containsStemInTokens(tokens, "сказк", "басн") && containsStemInTokens(tokens, "колоб") {
-		return "Жили-были дед и баба. Испекли они Колобка, а он убежал в лес. Встретил зайца, волка и медведя — от всех укатился, но лису перехитрить не смог. Так Колобок понял: хвастовство и беспечность до добра не доводят."
-	}
 	return ""
 }
 

modules/interaction/domain/chat_test.go

@@ -1,7 +1,6 @@
 package domain
 
 import (
-	"strings"
 	"testing"
 	"time"
 
@@ -283,8 +282,8 @@ func TestInterpretCreativeRequestDoesNotRequireExternalEvidence(t *testing.T) {
 	if !IsCreativeRequest("расскажи сказку о колобке") {
 		t.Fatal("story request was not recognized as creative")
 	}
-	if got := CreativeFallbackReply("расскажи сказку о колобке"); !strings.Contains(got, "Колоб") {
-		t.Fatalf("story fallback = %q", got)
+	if got := CreativeFallbackReply("расскажи сказку о колобке"); got != "" {
+		t.Fatalf("creative request received canned content = %q", got)
 	}
 	for _, message := range []string{"нарисуй птицу", "нарисуй зеленую птицу", "нарисуй птицу в HD", "нарисуй коня"} {
 		if got := CreativeDeterministicReply(message); got != "" {