feat(csm): bootstrap discussion callback flow

plugin/index.ts

@@ -17,8 +17,10 @@ import { ensureTurnOrder, recordChannelAccount } from "./core/turn-bootstrap.js"
 import { debugCtxSummary, pickDefined, shouldDebugLog } from "./core/utils.js";
 import { resolveDiscordUserId, sendModeratorMessage } from "./core/moderator-discord.js";
 import { startNoReplyApi, stopNoReplyApi } from "./core/no-reply-process.js";
+import { createDiscussionService } from "./core/discussion-service.js";
 import {
   DECISION_TTL_MS,
+  forceNoReplySessions,
   pruneDecisionMap,
   sessionAccountId,
   sessionAllowed,
@@ -113,11 +115,21 @@ export default {
       api.logger.info("dirigent: gateway stopping, services shut down");
     });
 
+    const discussionService = createDiscussionService({
+      api,
+      moderatorBotToken: baseConfig.moderatorBotToken,
+      workspaceRoot: process.cwd(),
+      forceNoReplyForSession: (sessionKey: string) => {
+        if (sessionKey) forceNoReplySessions.add(sessionKey);
+      },
+    });
+
     // Register tools
     registerDirigentTools({
       api,
       baseConfig,
       pickDefined,
+      discussionService,
     });
 
     // Turn management is handled internally by the plugin (not exposed as tools).
@@ -133,6 +145,7 @@ export default {
       recordChannelAccount,
       extractMentionedUserIds,
       buildUserIdToAccountIdMap,
+      discussionService,
     });
 
     registerBeforeModelResolveHook({
@@ -142,6 +155,7 @@ export default {
       sessionAllowed,
       sessionChannelId,
       sessionAccountId,
+      forceNoReplySessions,
       policyState,
       DECISION_TTL_MS,
       ensurePolicyStateLoaded,
@@ -188,6 +202,7 @@ export default {
       ensureTurnOrder,
       resolveDiscordUserId,
       sendModeratorMessage,
+      discussionService,
     });
 
     // Turn advance: when an agent sends a message, check if it signals end of turn