fix: make matrix entry-room bootstrap idempotent

adapter/matrix/bot.py

@@ -28,6 +28,7 @@ from adapter.matrix.store import (
     clear_load_pending,
     get_load_pending,
     get_room_meta,
+    set_room_meta,
     set_pending_confirm,
 )
 from core.auth import AuthManager
@@ -154,6 +155,28 @@ class MatrixBot:
             if outgoing:
                 await self._send_all(room.room_id, outgoing)
                 return
+        elif room_meta.get("redirect_room_id"):
+            redirect_room_id = room_meta["redirect_room_id"]
+            redirect_chat_id = room_meta.get("redirect_chat_id", "рабочий чат")
+            await self._send_all(
+                room.room_id,
+                [
+                    OutgoingMessage(
+                        chat_id=room.room_id,
+                        text=(
+                            f"Рабочий чат уже создан: {redirect_chat_id}. "
+                            "Открой приглашённую комнату для продолжения."
+                        ),
+                    )
+                ],
+            )
+            logger.info(
+                "matrix_redirect_entry_room",
+                room_id=room.room_id,
+                redirect_room_id=redirect_room_id,
+                user=sender,
+            )
+            return
 
         chat_id = await resolve_chat_id(self.runtime.store, room.room_id, sender)
         incoming = from_room_event(event, room_id=room.room_id, chat_id=chat_id)
@@ -218,6 +241,15 @@ class MatrixBot:
             "m.room.message",
             {"msgtype": "m.text", "body": welcome},
         )
+        await set_room_meta(
+            self.runtime.store,
+            room.room_id,
+            {
+                "matrix_user_id": sender,
+                "redirect_room_id": created["chat_room_id"],
+                "redirect_chat_id": created["chat_id"],
+            },
+        )
         return [
             OutgoingMessage(
                 chat_id=room.room_id,

tests/adapter/matrix/test_dispatcher.py

@@ -260,6 +260,39 @@ async def test_unregistered_room_bootstraps_space_and_chat_on_first_message():
     room_send_calls = client.room_send.await_args_list
     assert any(call.args[0] == "!chat1:example.org" for call in room_send_calls)
     assert any(call.args[0] == "!entry:example.org" for call in room_send_calls)
+    entry_meta = await get_room_meta(runtime.store, "!entry:example.org")
+    assert entry_meta == {
+        "matrix_user_id": "@alice:example.org",
+        "redirect_room_id": "!chat1:example.org",
+        "redirect_chat_id": "C1",
+    }
+
+
+async def test_unregistered_room_second_message_reuses_existing_bootstrap():
+    runtime = build_runtime(platform=MockPlatformClient())
+    await set_user_meta(runtime.store, "@alice:example.org", {"next_chat_index": 1})
+    space_resp = SimpleNamespace(room_id="!space:example.org")
+    chat_resp = SimpleNamespace(room_id="!chat1:example.org")
+    client = SimpleNamespace(
+        user_id="@bot:example.org",
+        room_create=AsyncMock(side_effect=[space_resp, chat_resp]),
+        room_put_state=AsyncMock(),
+        room_send=AsyncMock(),
+    )
+    bot = MatrixBot(client, runtime)
+    room = SimpleNamespace(room_id="!entry:example.org", display_name="Entry")
+
+    await bot.on_room_message(room, SimpleNamespace(sender="@alice:example.org", body="hello"))
+    await bot.on_room_message(room, SimpleNamespace(sender="@alice:example.org", body="hello again"))
+
+    assert client.room_create.await_count == 2
+    room_send_calls = client.room_send.await_args_list
+    assert any(call.args[0] == "!entry:example.org" for call in room_send_calls)
+    assert any(
+        call.args[0] == "!entry:example.org"
+        and "Рабочий чат уже создан: C1" in call.args[2]["body"]
+        for call in room_send_calls
+    )
 
 
 async def test_unregistered_room_creates_new_chat_in_existing_space():