stage-5: full discord-claude chat integration

Message router, typing indicator, emoji reactions, auto start/resume sessions, message splitting >2000 chars. 34 new tests (141 total).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

tests/test_discord.py

@@ -14,6 +14,7 @@ from src.adapters.discord_bot import (
     is_admin,
     is_owner,
     is_registered_channel,
+    split_message,
 )
 
 
@@ -390,3 +391,112 @@ class TestOnMessage:
             await on_message(message)
 
         assert "dm from admin" in caplog.text.lower()
+
+    @pytest.mark.asyncio
+    @patch("src.adapters.discord_bot.route_message")
+    async def test_chat_flow(self, mock_route, owned_bot):
+        """on_message chat flow: reaction, typing, route, send, cleanup."""
+        mock_route.return_value = "Hello from Claude!"
+
+        on_message = self._get_on_message(owned_bot)
+
+        message = AsyncMock(spec=discord.Message)
+        message.author = MagicMock()
+        message.author.id = 555
+        message.author.__eq__ = lambda self, other: False
+        message.channel = AsyncMock(spec=discord.TextChannel)
+        message.channel.id = 900  # registered channel
+        message.content = "test message"
+
+        await on_message(message)
+
+        # Verify eyes reaction added
+        message.add_reaction.assert_awaited_once_with("\U0001f440")
+
+        # Verify typing indicator was triggered
+        message.channel.typing.assert_called_once()
+
+        # Verify response sent
+        message.channel.send.assert_awaited_once_with("Hello from Claude!")
+
+        # Verify eyes reaction removed
+        message.remove_reaction.assert_awaited_once()
+
+
+# --- split_message ---
+
+
+class TestSplitMessage:
+    def test_short_text_no_split(self):
+        result = split_message("hello")
+        assert result == ["hello"]
+
+    def test_long_text_split_at_newline(self):
+        text = "a" * 10 + "\n" + "b" * 10
+        result = split_message(text, limit=15)
+        assert result == ["a" * 10, "b" * 10]
+
+    def test_very_long_without_newlines_hard_split(self):
+        text = "a" * 30
+        result = split_message(text, limit=10)
+        assert result == ["a" * 10, "a" * 10, "a" * 10]
+
+
+# --- /clear slash command ---
+
+
+class TestClearSlashCommand:
+    @pytest.mark.asyncio
+    @patch("src.adapters.discord_bot.clear_session")
+    async def test_clear_with_session(self, mock_clear, owned_bot):
+        mock_clear.return_value = True
+        cmd = _find_command(owned_bot.tree, "clear")
+        interaction = _mock_interaction(channel_id="900")
+        await cmd.callback(interaction)
+
+        msg = interaction.response.send_message.call_args
+        assert "session cleared" in msg.args[0].lower()
+
+    @pytest.mark.asyncio
+    @patch("src.adapters.discord_bot.clear_session")
+    async def test_clear_no_session(self, mock_clear, owned_bot):
+        mock_clear.return_value = False
+        cmd = _find_command(owned_bot.tree, "clear")
+        interaction = _mock_interaction(channel_id="900")
+        await cmd.callback(interaction)
+
+        msg = interaction.response.send_message.call_args
+        assert "no active session" in msg.args[0].lower()
+
+
+# --- /status slash command ---
+
+
+class TestStatusSlashCommand:
+    @pytest.mark.asyncio
+    @patch("src.adapters.discord_bot.get_active_session")
+    async def test_status_with_session(self, mock_get, owned_bot):
+        mock_get.return_value = {
+            "session_id": "abcdef1234567890",
+            "model": "sonnet",
+            "message_count": 3,
+        }
+        cmd = _find_command(owned_bot.tree, "status")
+        interaction = _mock_interaction(channel_id="900")
+        await cmd.callback(interaction)
+
+        msg = interaction.response.send_message.call_args
+        text = msg.args[0] if msg.args else msg.kwargs.get("content", "")
+        assert "sonnet" in text
+        assert "3" in text
+
+    @pytest.mark.asyncio
+    @patch("src.adapters.discord_bot.get_active_session")
+    async def test_status_no_session(self, mock_get, owned_bot):
+        mock_get.return_value = None
+        cmd = _find_command(owned_bot.tree, "status")
+        interaction = _mock_interaction(channel_id="900")
+        await cmd.callback(interaction)
+
+        msg = interaction.response.send_message.call_args
+        assert "no active session" in msg.args[0].lower()