Add GET /conversations/{id}/count endpoint for total/filtered message counts, update JournalStore API, and implement client/server support with tests.

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 |

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())
 }