Convert remaining `.to_asyncio.open_channel_from()` to `chan` fn-sig usage

piker/brokers/ib/api.py

@@ -1367,9 +1367,7 @@ async def load_aio_clients(
 
 
 async def load_clients_for_trio(
-    from_trio: asyncio.Queue,
-    to_trio: trio.abc.SendChannel,
-
+    chan: tractor.to_asyncio.LinkedTaskChannel,
 ) -> None:
     '''
     Pure async mngr proxy to ``load_aio_clients()``.
@@ -1382,8 +1380,7 @@ async def load_clients_for_trio(
         disconnect_on_exit=False,
     ) as accts2clients:
 
-        to_trio.send_nowait(accts2clients)
-
+        chan.started_nowait(accts2clients)
         # TODO: maybe a sync event to wait on instead?
         await asyncio.sleep(float('inf'))
 
@@ -1530,23 +1527,22 @@ class MethodProxy:
 
 
 async def open_aio_client_method_relay(
-    from_trio: asyncio.Queue,
-    to_trio: trio.abc.SendChannel,
+    chan: tractor.to_asyncio.LinkedTaskChannel,
     client: Client,
     event_consumers: dict[str, trio.Event],
 
 ) -> None:
 
     # sync with `open_client_proxy()` caller
-    to_trio.send_nowait(client)
+    chan.started_nowait(client)
 
     # TODO: separate channel for error handling?
-    client.inline_errors(to_trio)
+    client.inline_errors(chan)
 
     # relay all method requests to ``asyncio``-side client and deliver
     # back results
-    while not to_trio._closed:
-        msg: tuple[str, dict]|dict|None = await from_trio.get()
+    while not chan._to_trio._closed:  # <- TODO, better check like `._web_bs`?
+        msg: tuple[str, dict]|dict|None = await chan.get()
         match msg:
             case None:  # termination sentinel
                 log.info('asyncio `Client` method-proxy SHUTDOWN!')
@@ -1559,7 +1555,7 @@ async def open_aio_client_method_relay(
                 try:
                     resp = await meth(**kwargs)
                     # echo the msg back
-                    to_trio.send_nowait({'result': resp})
+                    chan.send_nowait({'result': resp})
 
                 except (
                     RequestError,
@@ -1567,10 +1563,10 @@ async def open_aio_client_method_relay(
                     # TODO: relay all errors to trio?
                     # BaseException,
                 ) as err:
-                    to_trio.send_nowait({'exception': err})
+                    chan.send_nowait({'exception': err})
 
             case {'error': content}:
-                to_trio.send_nowait({'exception': content})
+                chan.send_nowait({'exception': content})
 
             case _:
                 raise ValueError(f'Unhandled msg {msg}')

piker/brokers/ib/feed.py

@@ -684,8 +684,6 @@ async def get_bars(
 _quote_streams: dict[str, trio.abc.ReceiveStream] = {}
 
 
-# TODO! update to the new style sig with,
-# `chan: to_asyncio.LinkedTaskChannel,`
 async def _setup_quote_stream(
     chan: tractor.to_asyncio.LinkedTaskChannel,
     symbol: str,