feat(csm): bootstrap discussion callback flow

plugin/hooks/before-model-resolve.ts

@@ -21,6 +21,7 @@ type BeforeModelResolveDeps = {
   sessionAllowed: Map<string, boolean>;
   sessionChannelId: Map<string, string>;
   sessionAccountId: Map<string, string>;
+  forceNoReplySessions: Set<string>;
   policyState: { channelPolicies: Record<string, unknown> };
   DECISION_TTL_MS: number;
   ensurePolicyStateLoaded: (api: OpenClawPluginApi, config: DirigentConfig) => void;
@@ -38,6 +39,7 @@ export function registerBeforeModelResolveHook(deps: BeforeModelResolveDeps): vo
     sessionAllowed,
     sessionChannelId,
     sessionAccountId,
+    forceNoReplySessions,
     policyState,
     DECISION_TTL_MS,
     ensurePolicyStateLoaded,
@@ -54,6 +56,14 @@ export function registerBeforeModelResolveHook(deps: BeforeModelResolveDeps): vo
     const live = baseConfig as DirigentConfig & DebugConfig;
     ensurePolicyStateLoaded(api, live);
 
+    if (forceNoReplySessions.has(key)) {
+      return {
+        model: ctx.model,
+        provider: ctx.provider,
+        noReply: true,
+      };
+    }
+
     const prompt = ((event as Record<string, unknown>).prompt as string) || "";
 
     if (live.enableDebugLogs) {