fix(telegram): preserve topic metadata on overflow edits

tests/gateway/test_run_progress_topics.py

@@ -99,6 +99,21 @@ class SmallLimitProgressAdapter(ProgressCaptureAdapter):
         return SendResult(success=True, message_id=message_id)
 
 
+class MetadataEditProgressCaptureAdapter(ProgressCaptureAdapter):
+    async def edit_message(
+        self, chat_id, message_id, content, *, finalize: bool = False, metadata=None
+    ) -> SendResult:
+        self.edits.append(
+            {
+                "chat_id": chat_id,
+                "message_id": message_id,
+                "content": content,
+                "metadata": metadata,
+            }
+        )
+        return SendResult(success=True, message_id=message_id)
+
+
 class NonEditingProgressCaptureAdapter(ProgressCaptureAdapter):
     SUPPORTS_MESSAGE_EDITING = False
 
@@ -277,6 +292,44 @@ async def test_run_agent_progress_stays_in_originating_topic(monkeypatch, tmp_pa
     assert all(call["metadata"] == {"thread_id": "17585"} for call in adapter.typing)
 
 
+@pytest.mark.asyncio
+async def test_run_agent_progress_edits_keep_originating_topic_metadata(monkeypatch, tmp_path):
+    monkeypatch.setenv("HERMES_TOOL_PROGRESS_MODE", "all")
+
+    fake_dotenv = types.ModuleType("dotenv")
+    fake_dotenv.load_dotenv = lambda *args, **kwargs: None
+    monkeypatch.setitem(sys.modules, "dotenv", fake_dotenv)
+
+    fake_run_agent = types.ModuleType("run_agent")
+    fake_run_agent.AIAgent = FakeAgent
+    monkeypatch.setitem(sys.modules, "run_agent", fake_run_agent)
+
+    adapter = MetadataEditProgressCaptureAdapter()
+    runner = _make_runner(adapter)
+    gateway_run = importlib.import_module("gateway.run")
+    monkeypatch.setattr(gateway_run, "_hermes_home", tmp_path)
+    monkeypatch.setattr(gateway_run, "_resolve_runtime_agent_kwargs", lambda: {"api_key": "fake"})
+    source = SessionSource(
+        platform=Platform.TELEGRAM,
+        chat_id="-1001",
+        chat_type="group",
+        thread_id="17585",
+    )
+
+    result = await runner._run_agent(
+        message="hello",
+        context_prompt="",
+        history=[],
+        source=source,
+        session_id="sess-progress-edit-topic",
+        session_key="agent:main:telegram:group:-1001:17585",
+    )
+
+    assert result["final_response"] == "done"
+    assert adapter.edits
+    assert all(call["metadata"] == {"thread_id": "17585"} for call in adapter.edits)
+
+
 @pytest.mark.asyncio
 async def test_run_agent_progress_does_not_use_event_message_id_for_telegram_dm(monkeypatch, tmp_path):
     """Telegram DM progress must not reuse event message id as thread metadata."""

tests/gateway/test_telegram_format.py

@@ -809,6 +809,33 @@ class TestEditMessageStreamingSafety:
         # Continuations were sent threaded as replies for visual grouping.
         assert adapter._bot.send_message.await_count == len(result.continuation_message_ids)
 
+    @pytest.mark.asyncio
+    async def test_message_too_long_continuations_preserve_topic_metadata(self):
+        """Overflow continuations should stay in the originating Telegram topic."""
+        adapter = TelegramAdapter(PlatformConfig(enabled=True, token="fake-token"))
+        adapter._bot = MagicMock()
+        adapter._bot.edit_message_text = AsyncMock()
+        sent_kwargs = []
+
+        async def _fake_send(**kwargs):
+            sent_kwargs.append(kwargs)
+            return SimpleNamespace(message_id=1000 + len(sent_kwargs))
+
+        adapter._bot.send_message = AsyncMock(side_effect=_fake_send)
+
+        result = await adapter.edit_message(
+            "-100123",
+            "456",
+            "x" * 6000,
+            finalize=False,
+            metadata={"thread_id": "17585"},
+        )
+
+        assert result.success is True
+        assert sent_kwargs, "expected at least one overflow continuation"
+        assert all(kwargs.get("message_thread_id") == 17585 for kwargs in sent_kwargs)
+        assert sent_kwargs[0]["reply_to_message_id"] == 456
+
 # =========================================================================
 # Telegram guest mention gating
 # =========================================================================