feat(task): replace built-in task adaptors with a sandboxed JS plugin system (#7076)

model/channel.go

@@ -419,6 +419,15 @@ func SearchChannels(keyword string, group string, model string, idSort bool, sor
 	return channels, nil
 }
 
+// GetChannelById loads a channel directly from the database, bypassing the
+// in-memory channel cache.
+//
+// WARNING: do NOT call this on request hot paths (middleware, distribution,
+// relay submit/retry, polling). Every call is a synchronous DB query and will
+// not see cache-only state. Use CacheGetChannel instead: it serves from the
+// in-memory cache and falls back to this function automatically when
+// MemoryCacheEnabled is false. Direct use is appropriate only where fresh DB
+// state is required, e.g. admin CRUD, channel testing, or cache (re)building.
 func GetChannelById(id int, selectAll bool) (*Channel, error) {
 	channel := &Channel{Id: id}
 	var err error = nil
@@ -510,7 +519,7 @@ func (channel *Channel) GetBaseURL() string {
 	}
 	url := *channel.BaseURL
 	if url == "" {
-		url = constant.ChannelBaseURLs[channel.Type]
+		url = constant.GetChannelBaseURL(channel.Type)
 	}
 	return url
 }