diff --git a/client/src/commonMain/kotlin/pw/binom/agentik/client/HttpJournalStore.kt b/client/src/commonMain/kotlin/pw/binom/agentik/client/HttpJournalStore.kt
index ea5fb06..9190a6c 100644
--- a/client/src/commonMain/kotlin/pw/binom/agentik/client/HttpJournalStore.kt
+++ b/client/src/commonMain/kotlin/pw/binom/agentik/client/HttpJournalStore.kt
@@ -5,6 +5,7 @@ import io.ktor.client.call.body
 import io.ktor.client.request.get
 import io.ktor.client.request.parameter
 import io.ktor.http.HttpStatusCode
+import kotlinx.serialization.Serializable
 import pw.binom.agentik.journal.JournalStore
 import pw.binom.agentik.journal.MessageRecord
 import kotlin.time.Instant
@@ -13,8 +14,11 @@ import kotlin.time.Instant
  * HTTP-реализация [JournalStore] (append-only audit log сообщений диалога),
  * ходящая в `:server`-фасад.
  *
- * **Endpoint**: `GET {baseUrl}/journal/conversations/{id}/messages?after=&offset=&limit=`
- * (см. [pw.binom.agentik.server.journalRoutes]).
+ * **Endpoints** (см. [pw.binom.agentik.server.journalRoutes]):
+ *  - `GET {baseUrl}/journal/conversations/{id}/messages?after=&offset=&limit=`
+ *    → [list]
+ *  - `GET {baseUrl}/journal/conversations/{id}/count` → [count] (total)
+ *  - `GET {baseUrl}/journal/conversations/{id}/count?after=` → [count] (after cursor)
  *
  * Возвращает raw [MessageRecord] (все типы: UserMessage / AssistantMessage /
  * ToolCall / ToolResult / Error). В отличие от `GET /conversations/{id}/messages`
@@ -54,7 +58,28 @@ internal class HttpJournalStore(
         return response.body<List<MessageRecord>>()
     }
 
+    override suspend fun count(conversationId: String): Long {
+        val response = httpClient.get("$agentUrl/journal/conversations/$conversationId/count")
+        check(response.status == HttpStatusCode.OK) {
+            "journal.count: server returned ${response.status}"
+        }
+        return response.body<CountResponse>().count
+    }
+
+    override suspend fun count(conversationId: String, after: Instant): Long {
+        val response = httpClient.get("$agentUrl/journal/conversations/$conversationId/count") {
+            parameter("after", after.toString())
+        }
+        check(response.status == HttpStatusCode.OK) {
+            "journal.count(after): server returned ${response.status}"
+        }
+        return response.body<CountResponse>().count
+    }
+
     override fun close() {
         // HttpClient закрывает владелец (AgentClient / AgentikAgent).
     }
 }
+
+@Serializable
+private data class CountResponse(val count: Long)
diff --git a/server/build.gradle.kts b/server/build.gradle.kts
index f4a9a00..2ea29e2 100644
--- a/server/build.gradle.kts
+++ b/server/build.gradle.kts
@@ -49,6 +49,9 @@ kotlin {
             implementation(kotlin("test"))
             implementation(libs.ktor.server.test.host)
             implementation(libs.ktor.server.cio)
+            implementation(libs.ktor.client.content.negotiation)
+            implementation(libs.ktor.serialization.kotlinx.json)
+            implementation(project(":journal-inmemory"))
         }
     }
 }
diff --git a/server/src/commonMain/kotlin/pw/binom/agentik/server/JournalRoutes.kt b/server/src/commonMain/kotlin/pw/binom/agentik/server/JournalRoutes.kt
index 8095830..3d40793 100644
--- a/server/src/commonMain/kotlin/pw/binom/agentik/server/JournalRoutes.kt
+++ b/server/src/commonMain/kotlin/pw/binom/agentik/server/JournalRoutes.kt
@@ -23,6 +23,10 @@ import pw.binom.agentik.journal.JournalStore
  *   project'нутые proto-[pw.binom.agentik.proto.Message]), здесь клиент
  *   получает полный transcript с tool-call/tool-result/error payload-ами,
  *   turn-tokens и context-метаданными.
+ * - `GET /conversations/{id}/count?after=` — сколько сообщений в диалоге
+ *   всего (без `after`) или строго позже `after` (с `after`). Лёгкий
+ *   endpoint для UI-бейджей "N новых сообщений" и compaction-метрик;
+ *   тело ответа — JSON `{"count": <Long>}`.
  *
  * **Read-only:** [JournalStore] не имеет `append` — запись только через
  * writer-референс, который ChatAgent держит внутри (тип `MutableJournalStore`,
@@ -40,5 +44,19 @@ fun Route.journalRoutes(
             val limit = call.request.queryParameters["limit"]?.toIntOrNull() ?: JournalStore.PAGE_SIZE
             call.respond(journal.list(id, after, offset, limit))
         }
+        get("/conversations/{id}/count") {
+            val id = call.parameters["id"]!!
+            val after = call.parseAfter()
+            val count = if (after == null) {
+                journal.count(id)
+            } else {
+                journal.count(id, after)
+            }
+            call.respond(CountResponse(count = count))
+        }
     }
 }
+
+/** Тело ответа `GET /conversations/{id}/count`. */
+@kotlinx.serialization.Serializable
+private data class CountResponse(val count: Long)
diff --git a/server/src/commonTest/kotlin/pw/binom/agentik/server/BearerTokenTest.kt b/server/src/commonTest/kotlin/pw/binom/agentik/server/BearerTokenTest.kt
index b058252..e3a059a 100644
--- a/server/src/commonTest/kotlin/pw/binom/agentik/server/BearerTokenTest.kt
+++ b/server/src/commonTest/kotlin/pw/binom/agentik/server/BearerTokenTest.kt
@@ -44,6 +44,8 @@ class BearerTokenTest {
     ) : Agent {
         override val journal: JournalStore = object : JournalStore {
             override suspend fun list(conversationId: String, after: Instant, offset: Int, limit: Int) = emptyList<MessageRecord>()
+            override suspend fun count(conversationId: String): Long = 0L
+            override suspend fun count(conversationId: String, after: Instant): Long = 0L
             override fun listFlow(conversationId: String, after: Instant, pageSize: Int) = emptyFlow<MessageRecord>()
             override fun close() {}
         }
diff --git a/standalone/README.md b/standalone/README.md
index eec2444..58325f6 100644
--- a/standalone/README.md
+++ b/standalone/README.md
@@ -4,7 +4,6 @@
 
 Главный исполняемый модуль проекта — single-jar HTTP-сервер с:
 
-- **AG-UI** transport на `POST /agui` (SSE) + `GET /health`.
 - **A2A** transport на `POST /` (JSON-RPC) + `GET /.well-known/agent-card.json`.
 - **`:proto`** transport на `POST /agentik/*` (HTTP+JSON+SSE) — наш stateful.
 - **Embedded LLM backend**: `GOOGLE` (LiteRT) или `OPENAI`-совместимый
@@ -98,7 +97,6 @@ AGENTIK_GOOGLE_MODEL_PATH=/root/gemma-4-E2B-it.litertlm \
 | Метод | Путь | Transport | Описание |
 |---|---|---|---|
 | `GET` | `/health` | любой | health-check (`{"ok":true}`) |
-| `POST` | `/agui` | AG-UI | Стриминг run (SSE) |
 | `POST` | `/` | A2A | JSON-RPC `message/send`, `tasks/get`, `tasks/cancel` |
 | `GET` | `/.well-known/agent-card.json` | A2A | Discovery |
 | `POST` | `/agentik/conversations` | :proto | Создать диалог |
diff --git a/standalone/src/commonMain/kotlin/pw/binom/agentik/standalone/Main.kt b/standalone/src/commonMain/kotlin/pw/binom/agentik/standalone/Main.kt
index 8addd5e..7a67693 100644
--- a/standalone/src/commonMain/kotlin/pw/binom/agentik/standalone/Main.kt
+++ b/standalone/src/commonMain/kotlin/pw/binom/agentik/standalone/Main.kt
@@ -84,7 +84,7 @@ fun main(args: Array<String>) {
 private fun printHelp() {
     println("""
         agentik standalone — usage:
-          java -jar agentik.jar                  Start HTTP server (AGUI + A2A + :proto)
+          java -jar agentik.jar                  Start HTTP server (A2A + :proto)
           java -jar agentik.jar pull-model       Download the LiteRT-LM model from static.binom.pw
     """.trimIndent())
 }