Add user-owned IM channel connections

backend/tests/test_discord_channel_connections.py

@@ -0,0 +1,50 @@
+"""Discord connection routing tests."""
+
+from __future__ import annotations
+
+import pytest
+
+from app.channels.discord import DiscordChannel
+from app.channels.message_bus import InboundMessage, MessageBus
+
+
+@pytest.fixture
+async def repo(tmp_path):
+    from deerflow.persistence.channel_connections import ChannelConnectionRepository, ChannelCredentialCipher
+    from deerflow.persistence.engine import close_engine, get_session_factory, init_engine
+
+    await init_engine("sqlite", url=f"sqlite+aiosqlite:///{tmp_path / 'discord.db'}", sqlite_dir=str(tmp_path))
+    try:
+        yield ChannelConnectionRepository(
+            get_session_factory(),
+            cipher=ChannelCredentialCipher.from_key("discord-secret"),
+        )
+    finally:
+        await close_engine()
+
+
+@pytest.mark.anyio
+async def test_discord_inbound_attaches_owner_identity_from_user_level_connection(repo):
+    connection = await repo.upsert_connection(
+        owner_user_id="alice",
+        provider="discord",
+        external_account_id="987",
+        external_account_name="Alice",
+        status="connected",
+    )
+    channel = DiscordChannel(
+        bus=MessageBus(),
+        config={"bot_token": "discord-bot", "connection_repo": repo},
+    )
+    inbound = InboundMessage(
+        channel_name="discord",
+        chat_id="C123",
+        user_id="987",
+        text="hello",
+    )
+
+    attached = await channel._attach_connection_identity(inbound, guild_id="G123")
+
+    assert attached.connection_id == connection["id"]
+    assert attached.owner_user_id == "alice"
+    assert attached.workspace_id is None