fix(messages): restore explicit responsePrefix default

src/agents/identity.ts

@@ -47,11 +47,11 @@ export function resolveMessagePrefix(
 
 export function resolveResponsePrefix(
   cfg: ClawdbotConfig,
-  agentId: string,
+  _agentId: string,
 ): string | undefined {
   const configured = cfg.messages?.responsePrefix;
   if (configured !== undefined) return configured;
-  return resolveIdentityNamePrefix(cfg, agentId);
+  return undefined;
 }
 
 export function resolveEffectiveMessagesConfig(

src/auto-reply/reply/route-reply.test.ts

@@ -99,7 +99,7 @@ describe("routeReply", () => {
     );
   });
 
-  it("derives responsePrefix from agent identity when routing", async () => {
+  it("does not derive responsePrefix from agent identity when routing", async () => {
     mocks.sendMessageSlack.mockClear();
     const cfg = {
       agents: {
@@ -121,7 +121,7 @@ describe("routeReply", () => {
     });
     expect(mocks.sendMessageSlack).toHaveBeenCalledWith(
       "channel:C123",
-      "[Richbot] hi",
+      "hi",
       expect.any(Object),
     );
   });

src/config/types.ts

@@ -932,7 +932,7 @@ export type AudioConfig = {
 
 export type MessagesConfig = {
   messagePrefix?: string; // Prefix added to all inbound messages (default: "[{agents.list[].identity.name}]" or "[clawdbot]" if no allowFrom, else "")
-  responsePrefix?: string; // Prefix auto-added to all outbound replies (default: "[{agents.list[].identity.name}]" when set, else none)
+  responsePrefix?: string; // Prefix auto-added to all outbound replies (default: none)
   groupChat?: GroupChatConfig;
   queue?: QueueConfig;
   /** Emoji reaction used to acknowledge inbound messages (empty disables). */

src/slack/monitor.tool-result.test.ts

@@ -154,7 +154,7 @@ describe("monitorSlackProvider tool results", () => {
     expect(sendMock.mock.calls[1][1]).toBe("PFX final reply");
   });
 
-  it("derives responsePrefix from routed agent identity when unset", async () => {
+  it("does not derive responsePrefix from routed agent identity when unset", async () => {
     config = {
       agents: {
         list: [
@@ -214,8 +214,8 @@ describe("monitorSlackProvider tool results", () => {
     await run;
 
     expect(sendMock).toHaveBeenCalledTimes(2);
-    expect(sendMock.mock.calls[0][1]).toBe("[Richbot] tool update");
-    expect(sendMock.mock.calls[1][1]).toBe("[Richbot] final reply");
+    expect(sendMock.mock.calls[0][1]).toBe("tool update");
+    expect(sendMock.mock.calls[1][1]).toBe("final reply");
   });
 
   it("updates assistant thread status when replies start", async () => {

src/web/auto-reply.test.ts

@@ -2022,7 +2022,7 @@ describe("web auto-reply", () => {
     resetLoadConfigMock();
   });
 
-  it("uses identity.name for responsePrefix when set", async () => {
+  it("does not derive responsePrefix from identity.name when unset", async () => {
     setLoadConfigMock(() => ({
       agents: {
         list: [
@@ -2076,8 +2076,8 @@ describe("web auto-reply", () => {
       sendMedia: vi.fn(),
     });
 
-    // Reply should have identity-based responsePrefix prepended
-    expect(reply).toHaveBeenCalledWith("[Richbot] hello there");
+    // No implicit responsePrefix.
+    expect(reply).toHaveBeenCalledWith("hello there");
     resetLoadConfigMock();
   });
 });