fix: dedupe inbound messages across providers

src/auto-reply/reply/dispatch-from-config.ts

@@ -4,6 +4,7 @@ import { getReplyFromConfig } from "../reply.js";
 import type { MsgContext } from "../templating.js";
 import type { GetReplyOptions, ReplyPayload } from "../types.js";
 import { tryFastAbortFromMessage } from "./abort.js";
+import { shouldSkipDuplicateInbound } from "./inbound-dedupe.js";
 import type { ReplyDispatcher, ReplyDispatchKind } from "./reply-dispatcher.js";
 import { isRoutableChannel, routeReply } from "./route-reply.js";
 
@@ -21,6 +22,10 @@ export async function dispatchReplyFromConfig(params: {
 }): Promise<DispatchFromConfigResult> {
   const { ctx, cfg, dispatcher } = params;
 
+  if (shouldSkipDuplicateInbound(ctx)) {
+    return { queuedFinal: false, counts: dispatcher.getQueuedCounts() };
+  }
+
   // Check if we should route replies to originating channel instead of dispatcher.
   // Only route when the originating channel is DIFFERENT from the current surface.
   // This handles cross-provider routing (e.g., message from Telegram being processed