feat: implement channel runtime connectors

app-instance/backend/beaver/interfaces/channels/memory.py

@@ -4,15 +4,27 @@ from __future__ import annotations
 
 from typing import Any
 
-from beaver.foundation.events import InboundMessage, MessageBus, OutboundMessage
+from beaver.foundation.events import ChannelIdentity, InboundMessage, OutboundMessage
+from beaver.interfaces.channels.base import ChannelInboundSink
 
 
 class MemoryChannelAdapter:
     """A local channel that stores outbound messages in memory."""
 
-    def __init__(self, bus: MessageBus, *, name: str = "memory") -> None:
-        self.name = name
-        self.bus = bus
+    def __init__(
+        self,
+        inbound_sink: ChannelInboundSink,
+        *,
+        channel_id: str = "memory-dev",
+        kind: str = "memory",
+        mode: str = "webhook",
+        account_id: str = "memory",
+    ) -> None:
+        self.channel_id = channel_id
+        self.kind = kind
+        self.mode = mode
+        self.account_id = account_id
+        self.inbound_sink = inbound_sink
         self.started = False
         self.sent_messages: list[OutboundMessage] = []
 
@@ -36,12 +48,24 @@ class MemoryChannelAdapter:
         model: str | None = None,
         provider_name: str | None = None,
         embedding_model: str | None = None,
+        peer_id: str = "default",
+        thread_id: str | None = None,
+        message_id: str | None = None,
         metadata: dict[str, Any] | None = None,
     ) -> InboundMessage:
         """Publish a text message from this channel into the shared bus."""
 
+        identity = ChannelIdentity(
+            channel_id=self.channel_id,
+            kind=self.kind,
+            account_id=self.account_id,
+            peer_id=peer_id,
+            thread_id=thread_id,
+            user_id=user_id,
+            message_id=message_id,
+        )
         message = InboundMessage(
-            channel=self.name,
+            channel=self.channel_id,
             content=content,
             session_id=session_id,
             user_id=user_id,
@@ -50,9 +74,10 @@ class MemoryChannelAdapter:
             model=model,
             provider_name=provider_name,
             embedding_model=embedding_model,
+            channel_identity=identity,
             metadata=metadata or {},
         )
-        await self.bus.publish_inbound(message)
+        await self.inbound_sink.accept_inbound(message)
         return message
 
     async def publish_external_text(
@@ -73,9 +98,6 @@ class MemoryChannelAdapter:
         the shared gateway bus.
         """
 
-        session_parts = [self.name, chat_id]
-        if thread_id:
-            session_parts.append(thread_id)
         metadata = {
             "chat_id": chat_id,
             "message_id": message_id,
@@ -84,8 +106,10 @@ class MemoryChannelAdapter:
         }
         return await self.publish_text(
             content,
-            session_id=":".join(str(part) for part in session_parts if str(part)),
             user_id=user_id,
             title=title,
+            peer_id=chat_id,
+            thread_id=thread_id,
+            message_id=message_id,
             metadata=metadata,
         )