From 29217ca93509860adc5afb9b11eff2941667f45e Mon Sep 17 00:00:00 2001
From: Mikhail <misha_mst@mail.ru>
Date: Sun, 30 Aug 2026 00:34:30 +0300
Subject: [PATCH] classify stable acknowledgements before continuation

---
 modules/interaction/domain/chat.go      | 13 +++++++++++++
 modules/interaction/domain/chat_test.go | 12 ++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/modules/interaction/domain/chat.go b/modules/interaction/domain/chat.go
index 39c7f74..b42e66d 100644
--- a/modules/interaction/domain/chat.go
+++ b/modules/interaction/domain/chat.go
@@ -278,6 +278,7 @@ func semanticScores(tokens []string, hasQuestionMark bool, explicitCorrection bo
 	}
 	questionWords := map[string]struct{}{"кто": {}, "что": {}, "как": {}, "почему": {}, "зачем": {}, "где": {}, "когда": {}, "сколько": {}, "какой": {}, "какая": {}, "какие": {}, "чей": {}}
 	conversationWords := []string{"привет", "здравствуйте", "спасибо", "ку", "здравствуй"}
+	confirmationWords := []string{"хорошо", "ладно", "окей", "ок", "понял", "понятно"}
 	investigateStems := []string{"разбер", "проверь", "проанализ", "исслед", "выясн", "уточн", "подум", "понят", "посмотри", "попроб", "повтор", "снов"}
 	directiveStems := []string{"сдел", "запуст", "созд", "настро", "добав", "измени", "помен", "использ", "удал", "напом", "подключ", "исправ", "обрати", "спрос", "найд", "посчитай", "рассчитай", "ответь", "вывед"}
 	explanatoryRequestStems := []string{"расска", "раска", "объяс", "опиш", "покаж", "подскаж", "сообщ"}
@@ -292,6 +293,9 @@ func semanticScores(tokens []string, hasQuestionMark bool, explicitCorrection bo
 		if containsStem(token, conversationWords...) {
 			scores[interaction.SpeechActConversational] += 3
 		}
+		if containsExactToken(token, confirmationWords...) {
+			scores[interaction.SpeechActConfirmation] += 3
+		}
 		if containsStem(token, investigateStems...) {
 			scores[interaction.SpeechActRequestToInvestigate] += 3
 			scores[interaction.SpeechActQuestion]++
@@ -810,6 +814,15 @@ func containsStem(token string, stems ...string) bool {
 	return false
 }
 
+func containsExactToken(token string, words ...string) bool {
+	for _, word := range words {
+		if token == word {
+			return true
+		}
+	}
+	return false
+}
+
 func containsStemInTokens(tokens []string, stems ...string) bool {
 	for _, token := range tokens {
 		if containsStem(token, stems...) {
diff --git a/modules/interaction/domain/chat_test.go b/modules/interaction/domain/chat_test.go
index c9ac96a..995569a 100644
--- a/modules/interaction/domain/chat_test.go
+++ b/modules/interaction/domain/chat_test.go
@@ -314,6 +314,18 @@ func TestRememberedPreferenceIsNotRenderedAsIdentity(t *testing.T) {
 	}
 }
 
+func TestStableAcknowledgementsDoNotBecomeTravelRequests(t *testing.T) {
+	for _, message := range []string{"Хорошо", "Ладно", "Понял"} {
+		candidate := BuildDeterministicCandidate(message, "", time.Unix(10, 0).UnixMilli())
+		if candidate.PrimarySpeechAct != interaction.SpeechActConfirmation {
+			t.Fatalf("%q: expected confirmation, got %s", message, candidate.PrimarySpeechAct)
+		}
+		if reply, stable := StableConversationalReply(message, candidate.PrimarySpeechAct); !stable || reply != "Хорошо." {
+			t.Fatalf("%q: stable reply = %q, %t", message, reply, stable)
+		}
+	}
+}
+
 func TestCreativeRequestsDoNotRouteToWebResearch(t *testing.T) {
 	for _, message := range []string{"нарисуй круг", "расскажи сказку о колобке"} {
 		candidate := BuildDeterministicCandidate(message, "", time.Now().UnixMilli())