refactor(src): split oversized modules

src/web/auto-reply/monitor/on-message.ts

@@ -0,0 +1,153 @@
+import type { getReplyFromConfig } from "../../../auto-reply/reply.js";
+import type { loadConfig } from "../../../config/config.js";
+import { logVerbose } from "../../../globals.js";
+import { resolveAgentRoute } from "../../../routing/resolve-route.js";
+import { buildGroupHistoryKey } from "../../../routing/session-key.js";
+import { normalizeE164 } from "../../../utils.js";
+import type { MentionConfig } from "../mentions.js";
+import type { WebInboundMsg } from "../types.js";
+import { maybeBroadcastMessage } from "./broadcast.js";
+import type { EchoTracker } from "./echo.js";
+import type { GroupHistoryEntry } from "./group-gating.js";
+import { applyGroupGating } from "./group-gating.js";
+import { updateLastRouteInBackground } from "./last-route.js";
+import { resolvePeerId } from "./peer.js";
+import { processMessage } from "./process-message.js";
+
+export function createWebOnMessageHandler(params: {
+  cfg: ReturnType<typeof loadConfig>;
+  verbose: boolean;
+  connectionId: string;
+  maxMediaBytes: number;
+  groupHistoryLimit: number;
+  groupHistories: Map<string, GroupHistoryEntry[]>;
+  groupMemberNames: Map<string, Map<string, string>>;
+  echoTracker: EchoTracker;
+  backgroundTasks: Set<Promise<unknown>>;
+  replyResolver: typeof getReplyFromConfig;
+  replyLogger: ReturnType<
+    typeof import("../../../logging.js")["getChildLogger"]
+  >;
+  baseMentionConfig: MentionConfig;
+  account: { authDir?: string; accountId?: string };
+}) {
+  const processForRoute = async (
+    msg: WebInboundMsg,
+    route: ReturnType<typeof resolveAgentRoute>,
+    groupHistoryKey: string,
+    opts?: {
+      groupHistory?: GroupHistoryEntry[];
+      suppressGroupHistoryClear?: boolean;
+    },
+  ) =>
+    processMessage({
+      cfg: params.cfg,
+      msg,
+      route,
+      groupHistoryKey,
+      groupHistories: params.groupHistories,
+      groupMemberNames: params.groupMemberNames,
+      connectionId: params.connectionId,
+      verbose: params.verbose,
+      maxMediaBytes: params.maxMediaBytes,
+      replyResolver: params.replyResolver,
+      replyLogger: params.replyLogger,
+      backgroundTasks: params.backgroundTasks,
+      rememberSentText: params.echoTracker.rememberText,
+      echoHas: params.echoTracker.has,
+      echoForget: params.echoTracker.forget,
+      buildCombinedEchoKey: params.echoTracker.buildCombinedKey,
+      groupHistory: opts?.groupHistory,
+      suppressGroupHistoryClear: opts?.suppressGroupHistoryClear,
+    });
+
+  return async (msg: WebInboundMsg) => {
+    const conversationId = msg.conversationId ?? msg.from;
+    const peerId = resolvePeerId(msg);
+    const route = resolveAgentRoute({
+      cfg: params.cfg,
+      channel: "whatsapp",
+      accountId: msg.accountId,
+      peer: {
+        kind: msg.chatType === "group" ? "group" : "dm",
+        id: peerId,
+      },
+    });
+    const groupHistoryKey =
+      msg.chatType === "group"
+        ? buildGroupHistoryKey({
+            channel: "whatsapp",
+            accountId: route.accountId,
+            peerKind: "group",
+            peerId,
+          })
+        : route.sessionKey;
+
+    // Same-phone mode logging retained
+    if (msg.from === msg.to) {
+      logVerbose(`📱 Same-phone mode detected (from === to: ${msg.from})`);
+    }
+
+    // Skip if this is a message we just sent (echo detection)
+    if (params.echoTracker.has(msg.body)) {
+      logVerbose(
+        "Skipping auto-reply: detected echo (message matches recently sent text)",
+      );
+      params.echoTracker.forget(msg.body);
+      return;
+    }
+
+    if (msg.chatType === "group") {
+      updateLastRouteInBackground({
+        cfg: params.cfg,
+        backgroundTasks: params.backgroundTasks,
+        storeAgentId: route.agentId,
+        sessionKey: route.sessionKey,
+        channel: "whatsapp",
+        to: conversationId,
+        accountId: route.accountId,
+        warn: params.replyLogger.warn.bind(params.replyLogger),
+      });
+
+      const gating = applyGroupGating({
+        cfg: params.cfg,
+        msg,
+        conversationId,
+        groupHistoryKey,
+        agentId: route.agentId,
+        sessionKey: route.sessionKey,
+        baseMentionConfig: params.baseMentionConfig,
+        authDir: params.account.authDir,
+        groupHistories: params.groupHistories,
+        groupHistoryLimit: params.groupHistoryLimit,
+        groupMemberNames: params.groupMemberNames,
+        logVerbose,
+        replyLogger: params.replyLogger,
+      });
+      if (!gating.shouldProcess) return;
+    } else {
+      // Ensure `peerId` for DMs is stable and stored as E.164 when possible.
+      if (!msg.senderE164 && peerId && peerId.startsWith("+")) {
+        msg.senderE164 = normalizeE164(peerId) ?? msg.senderE164;
+      }
+    }
+
+    // Broadcast groups: when we'd reply anyway, run multiple agents.
+    // Does not bypass group mention/activation gating above.
+    if (
+      await maybeBroadcastMessage({
+        cfg: params.cfg,
+        msg,
+        peerId,
+        route,
+        groupHistoryKey,
+        groupHistories: params.groupHistories,
+        processMessage: processForRoute,
+      })
+    ) {
+      return;
+    }
+
+    await processForRoute(msg, route, groupHistoryKey);
+  };
+}