diff --git a/src/core/session-manager.ts b/src/core/session-manager.ts
index 724ccd980..ddf0f2996 100644
--- a/src/core/session-manager.ts
+++ b/src/core/session-manager.ts
@@ -533,30 +533,6 @@ function renderWhiteboardBlock(opts?: { whiteboardId?: string }): string {
   ].join('\n');
 }
 
-function buildHermesBotmuxHints(locale?: Locale): string[] {
-  if (locale === 'en') {
-    return [
-      'You are running in a Feishu/Lark chat through botmux. For ordinary text replies, write the user-facing answer as your final assistant message; botmux automatically forwards that final output to Feishu/Lark.',
-      'Do not call `botmux send` for normal text answers. Use `botmux send` only for special delivery needs: files/images/videos, voice, cross-chat/top-level sends, or explicit mention routing to another person/bot.',
-      '`botmux send` / `botmux history` / `botmux quoted` / `botmux bots` are shell commands installed in $PATH; run them via Bash/terminal tools when needed.',
-      'If you already used `botmux send` for special delivery in this turn, do not put a second copy of the answer, messageId, or send-success receipt in the final assistant message.',
-    ];
-  }
-  return [
-    '你运行在飞书（Lark）聊天中。普通文字回复请直接写在 assistant final 里，botmux 会自动把 final_output 转发到飞书。',
-    '普通文本答案不要调用 `botmux send`。只有需要图片/文件/视频/语音、跨群或顶层发送、显式 @ 某人/某 bot 等特殊投递能力时，才使用 `botmux send`。',
-    '`botmux send` / `botmux history` / `botmux quoted` / `botmux bots` 是已安装在 $PATH 的 shell 命令；需要时通过 Bash/terminal 工具执行。',
-    '如果本轮已经为了特殊投递调用过 `botmux send`，final 里不要再写第二份正文、messageId 或“发送成功/已处理”回执。',
-  ];
-}
-
-function hermesFollowupReminder(locale?: Locale): string {
-  if (locale === 'en') {
-    return 'For ordinary text replies, do not call `botmux send`; put the user-facing answer in final and botmux will forward it to Feishu/Lark. Use `botmux send` only for special delivery such as files/images/videos, voice, cross-chat/top-level sends, or explicit mention routing. If already used, do not add a second answer or send-success receipt in final.';
-  }
-  return '普通文字回复不要调用 `botmux send`；直接把给用户看的答案写在 final，botmux 会自动转发到飞书。只有图片/文件/视频/语音、跨群/顶层发送、特殊 @ 路由等特殊投递才用 `botmux send`；如果本轮已经用过，不要在 final 里再写第二份答案或发送成功回执。';
-}
-
 /**
  * Peer count at/below which the `<available_bots>` block inlines the full
  * roster (name + open_id). Above it the block collapses to a one-line pointer
@@ -651,7 +627,7 @@ export function buildNewTopicPrompt(
   // (Claude Code builds its own via --append-system-prompt). Source hints
   // freshly from i18n so they respect the resolved locale instead of the
   // static `adapter.systemHints` array that was baked at module load.
-  const hints = adapter.injectsSessionContext ? [] : (cliId === 'hermes' ? buildHermesBotmuxHints(locale) : buildBotmuxShellHints(locale));
+  const hints = adapter.injectsSessionContext ? [] : buildBotmuxShellHints(locale);
 
   const routingBlock = hints.length > 0
     ? `<botmux_routing>\n${hints.join('\n')}\n</botmux_routing>`
@@ -836,13 +812,13 @@ export function buildFollowUpContent(
   if (!skipSessionId) parts.push(`<session_id>${xmlEscape(sessionId)}</session_id>`);
   if (roleBlock) parts.push(roleBlock);
   if (opts?.cliId !== 'mira') {
-    // Non-hermes CLIs get the anti-resend variant only when the experimental
-    // dashboard toggle is on (config.noVisibleOutputHint, default OFF); otherwise
-    // the reminder is byte-for-byte the pre-feature baseline. Live-read so a
-    // Settings flip applies to the next follow-up turn without a daemon restart.
-    const reminder = opts?.cliId === 'hermes'
-      ? hermesFollowupReminder(opts?.locale)
-      : t(config.noVisibleOutputHint ? 'ai.followup.reminder_no_resend' : 'ai.followup.reminder', undefined, opts?.locale);
+    // All non-Mira CLIs — including Hermes, which no longer gets reverse
+    // send-first guidance (#653) and now shares this standard path — get the
+    // anti-resend variant only when the experimental dashboard toggle is on
+    // (config.noVisibleOutputHint, default OFF); otherwise the reminder is
+    // byte-for-byte the pre-feature baseline. Live-read so a Settings flip
+    // applies to the next follow-up turn without a daemon restart.
+    const reminder = t(config.noVisibleOutputHint ? 'ai.followup.reminder_no_resend' : 'ai.followup.reminder', undefined, opts?.locale);
     parts.push(`<botmux_reminder>${reminder}</botmux_reminder>`);
   }
   if (whiteboardBlock) parts.push(whiteboardBlock);
diff --git a/test/prompt-builder.test.ts b/test/prompt-builder.test.ts
index e07e37373..7219529fc 100644
--- a/test/prompt-builder.test.ts
+++ b/test/prompt-builder.test.ts
@@ -130,12 +130,16 @@ describe('buildNewTopicPrompt', () => {
     expect(routing).not.toContain('&amp;lt;');
   });
 
-  it('uses final-output routing hints for Hermes instead of normal botmux send guidance', () => {
+  it('gives Hermes the standard botmux-send routing hints like other structured-bridge CLIs', () => {
+    // #365 previously steered Hermes AWAY from `botmux send` (reverse guidance)
+    // as a redundant belt-and-braces on top of the real dedup fix
+    // (preserveMarkTimeMs). That reverse hint weakened multi-agent collaboration
+    // (bridge-forwarded finals can't carry an @mention), so Hermes now uses the
+    // same send-first hints as codex/traex/grok.
     const prompt = buildNewTopicPrompt('hello', SESSION_ID, 'hermes');
-    expect(prompt).toContain('普通文字回复请直接写在 assistant final');
-    expect(prompt).toContain('普通文本答案不要调用 `botmux send`');
-    expect(prompt).not.toContain("botmux send <<'EOF'");
-    expect(prompt).not.toContain('回复必须 botmux send');
+    expect(prompt).toContain('把消息发给用户（唯一方式）');
+    expect(prompt).not.toContain('普通文本答案不要调用 `botmux send`');
+    expect(prompt).not.toContain('botmux 会自动把 final_output 转发到飞书');
   });
 
   it('should NOT embed <session_id> for CLIs with injectsSessionContext (claude-code)', () => {
@@ -423,12 +427,32 @@ describe('buildFollowUpContent', () => {
     }
   });
 
-  it('uses final-output reminder for Hermes follow-ups', () => {
+  it('gives Hermes the standard follow-up reminder like other CLIs (no reverse send guidance)', () => {
+    // #365 previously steered Hermes AWAY from `botmux send` (reverse guidance)
+    // as redundant belt-and-braces on top of the real dedup fix
+    // (preserveMarkTimeMs). That reverse hint weakened multi-agent collaboration
+    // (bridge-forwarded finals can't carry an @mention), so Hermes now shares
+    // the standard path. With the anti-resend toggle OFF (default) that is
+    // exactly #554's BOTMUX_NO_REPLY sentinel baseline — same as codex/traex.
     const content = buildFollowUpContent('hello', SESSION_ID, { cliId: 'hermes' });
 
-    expect(content).toContain('普通文字回复不要调用 `botmux send`');
-    expect(content).toContain('直接把给用户看的答案写在 final');
-    expect(content).not.toContain('回复必须 botmux send');
+    expect(content).toContain('<botmux_reminder>需要回复时必须 botmux send；无需回复时不要解释沉默，final 只输出 BOTMUX_NO_REPLY</botmux_reminder>');
+    expect(content).not.toContain('普通文字回复不要调用 `botmux send`');
+    expect(content).not.toContain('直接把给用户看的答案写在 final');
+  });
+
+  it('routes Hermes through the shared anti-resend branch when noVisibleOutputHint is ON', () => {
+    // Codex-review guard for #653: prove Hermes really lands in the shared
+    // noVisibleOutputHint branch (not a special-cased bypass), so the toggle
+    // reaches it just like every other non-Mira CLI.
+    (config as { noVisibleOutputHint?: boolean }).noVisibleOutputHint = true;
+    try {
+      const content = buildFollowUpContent('hello', SESSION_ID, { cliId: 'hermes' });
+      expect(content).toContain('final 只输出 BOTMUX_NO_REPLY');
+      expect(content).toMatch(/<botmux_reminder>[^<]*别因「无输出」提示重发[^<]*<\/botmux_reminder>/);
+    } finally {
+      delete (config as { noVisibleOutputHint?: boolean }).noVisibleOutputHint;
+    }
   });
 
   it('places the short whiteboard hint before follow-up user content', () => {