refactor: centralize inbound mention policy

src/plugins/runtime/runtime-channel.ts

@@ -35,6 +35,10 @@ import { dispatchReplyWithBufferedBlockDispatcher } from "../../auto-reply/reply
 import { createReplyDispatcherWithTyping } from "../../auto-reply/reply/reply-dispatcher.js";
 import { removeAckReactionAfterReply, shouldAckReaction } from "../../channels/ack-reactions.js";
 import { resolveCommandAuthorizedFromAuthorizers } from "../../channels/command-gating.js";
+import {
+  implicitMentionKindWhen,
+  resolveInboundMentionDecision,
+} from "../../channels/mention-gating.js";
 import {
   setChannelConversationBindingIdleTimeoutBySessionKey,
   setChannelConversationBindingMaxAgeBySessionKey,
@@ -128,6 +132,8 @@ export function createRuntimeChannel(): PluginRuntime["channel"] {
       buildMentionRegexes,
       matchesMentionPatterns,
       matchesMentionWithExplicit,
+      implicitMentionKindWhen,
+      resolveInboundMentionDecision,
     },
     reactions: {
       shouldAckReaction,