fix(doctor): avoid ack reaction migration without config (#1087)

Thanks @YuriNachos.

Co-authored-by: Yuri Chukhlib <YuriNachos@users.noreply.github.com>

CHANGELOG.md

@@ -8,6 +8,9 @@ Docs: https://docs.clawd.bot
 - macOS: strip prerelease/build suffixes when parsing gateway semver patches. (#1110) — thanks @zerone0x.
 - macOS: keep CLI install pinned to the full build suffix. (#1111) — thanks @artuskg.
 
+### Fixes
+- Doctor: avoid re-adding WhatsApp ack reaction config when only legacy auth files exist. (#1087) — thanks @YuriNachos.
+
 ## 2026.1.16-2
 
 ### Changes

src/commands/doctor-legacy-config.test.ts

@@ -57,7 +57,7 @@ describe("normalizeLegacyConfigValues", () => {
     ]);
   });
 
-  it("copies legacy ack reaction when whatsapp auth exists", () => {
+  it("does not add whatsapp config when only auth exists (issue #900)", () => {
     const credsDir = path.join(tempOauthDir ?? "", "whatsapp", "default");
     writeCreds(credsDir);
 
@@ -65,14 +65,11 @@ describe("normalizeLegacyConfigValues", () => {
       messages: { ackReaction: "👀", ackReactionScope: "group-mentions" },
     });
 
-    expect(res.config.channels?.whatsapp?.ackReaction).toEqual({
-      emoji: "👀",
-      direct: false,
-      group: "mentions",
-    });
+    expect(res.config.channels?.whatsapp).toBeUndefined();
+    expect(res.changes).toEqual([]);
   });
 
-  it("copies legacy ack reaction when legacy auth exists", () => {
+  it("does not add whatsapp config when only legacy auth exists (issue #900)", () => {
     const credsPath = path.join(tempOauthDir ?? "", "creds.json");
     fs.writeFileSync(credsPath, JSON.stringify({ me: {} }));
 
@@ -80,14 +77,11 @@ describe("normalizeLegacyConfigValues", () => {
       messages: { ackReaction: "👀", ackReactionScope: "group-mentions" },
     });
 
-    expect(res.config.channels?.whatsapp?.ackReaction).toEqual({
-      emoji: "👀",
-      direct: false,
-      group: "mentions",
-    });
+    expect(res.config.channels?.whatsapp).toBeUndefined();
+    expect(res.changes).toEqual([]);
   });
 
-  it("copies legacy ack reaction when non-default auth exists", () => {
+  it("does not add whatsapp config when only non-default auth exists (issue #900)", () => {
     const credsDir = path.join(tempOauthDir ?? "", "whatsapp", "work");
     writeCreds(credsDir);
 
@@ -95,11 +89,8 @@ describe("normalizeLegacyConfigValues", () => {
       messages: { ackReaction: "👀", ackReactionScope: "group-mentions" },
     });
 
-    expect(res.config.channels?.whatsapp?.ackReaction).toEqual({
-      emoji: "👀",
-      direct: false,
-      group: "mentions",
-    });
+    expect(res.config.channels?.whatsapp).toBeUndefined();
+    expect(res.changes).toEqual([]);
   });
 
   it("copies legacy ack reaction when authDir override exists", () => {

src/commands/doctor-legacy-config.ts

@@ -1,6 +1,4 @@
 import type { ClawdbotConfig } from "../config/config.js";
-import { hasAnyWhatsAppAuth } from "../web/accounts.js";
-
 export function normalizeLegacyConfigValues(cfg: ClawdbotConfig): {
   config: ClawdbotConfig;
   changes: string[];
@@ -10,8 +8,7 @@ export function normalizeLegacyConfigValues(cfg: ClawdbotConfig): {
 
   const legacyAckReaction = cfg.messages?.ackReaction?.trim();
   const hasWhatsAppConfig = cfg.channels?.whatsapp !== undefined;
-  const hasWhatsAppAuth = hasAnyWhatsAppAuth(cfg);
-  if (legacyAckReaction && (hasWhatsAppConfig || hasWhatsAppAuth)) {
+  if (legacyAckReaction && hasWhatsAppConfig) {
     const hasWhatsAppAck = cfg.channels?.whatsapp?.ackReaction !== undefined;
     if (!hasWhatsAppAck) {
       const legacyScope = cfg.messages?.ackReactionScope ?? "group-mentions";