refactor(trigger): share automation turn delivery

nanobot/command/builtin.py

@@ -753,11 +753,18 @@ async def cmd_trigger(ctx: CommandContext) -> OutboundMessage:
     if store is None:
         store = LocalTriggerStore(workspace)
 
+    from nanobot.session.keys import UNIFIED_SESSION_KEY
+
+    session_key = (
+        ctx.msg.session_key
+        if ctx.key == UNIFIED_SESSION_KEY
+        else ctx.key
+    )
     trigger = store.create(
         name=name,
         channel=ctx.msg.channel,
         chat_id=ctx.msg.chat_id,
-        session_key=ctx.key,
+        session_key=session_key,
         sender_id="trigger",
         origin_metadata=dict(ctx.msg.metadata or {}),
     )