diff --git a/src/servers/api/chat/claude-sessions.ts b/src/servers/api/chat/claude-sessions.ts
index bc0c395e..5b06b431 100644
--- a/src/servers/api/chat/claude-sessions.ts
+++ b/src/servers/api/chat/claude-sessions.ts
@@ -1,5 +1,5 @@
-import { dirname, join } from 'node:path';
-import { DATA_PATH } from '../../data-path';
+import { dirname, join, resolve } from 'node:path';
+import { DATA_PATH, getCommandersDir } from '../../data-path';
 import {
   appendTextAs,
   findPathAs,
@@ -108,6 +108,24 @@ export type ClaudeSessionSummary = {
    * one conversation — see `mergeChains`. Absent means the ordinary case: one row, one transcript.
    */
   partCount?: number;
+  /**
+   * This is a Command HQ commander, not an ordinary chat.
+   *
+   * ── Why it is a field and not a frontend detail ──
+   *
+   * A commander IS a Claude session, and this list reads transcripts from disk, so nothing distinguished
+   * the two and commanders appeared in the chat list looking like conversations somebody started and
+   * forgot. The web can now split them into tabs — but the reason this belongs in the PAYLOAD is the
+   * phone: the iPhone chat app swipes left and right between live chats, and with no tabs to hide behind
+   * it has to be able to filter commanders out of that gesture itself. A flag only the web knew about
+   * would fix one surface and leave the other wrong.
+   *
+   * Derived from the CWD rather than from a database join. Every commander a user has shares one
+   * directory — `getCommandersDir(email)`, never per-commander and never client-chosen — and this list
+   * already reads each session's `cwd`. So it costs a string comparison, works for a commander whose
+   * `command_hq_sessions` row was lost, and adds no query.
+   */
+  isCommander?: boolean;
 };
 
 /** `ClaudeSessionSummary` plus the bits only lineage resolution needs. Never leaves this module. */
@@ -968,11 +986,31 @@ function scanGroup(who: ChatIdentity, cwd: string): TranscriptSummary[] {
 
 /** Conversations Claude has stored for a working directory, newest first, one row per `/clear` chain. */
 export function listClaudeSessions(who: ChatIdentity, cwd: string): ClaudeSessionSummary[] {
+  // Every commander a user has lives in ONE directory, so this is a property of the group rather than of
+  // each transcript — computed once here instead of per row. See `isCommander` on the summary type for
+  // why the flag has to reach the payload at all.
+  const commander = isCommandersDir(who.email, cwd);
   return mergeChains(scanGroup(who, cwd))
     .map(publish)
+    .map((entry) => (commander ? { ...entry, isCommander: true } : entry))
     .sort((a, b) => b.updatedAt.localeCompare(a.updatedAt));
 }
 
+/**
+ * Is this directory the one every commander shares?
+ *
+ * Compared after `resolve`, so a trailing slash or a `..` cannot make the same directory look like a
+ * different one — the cwd here comes from a transcript rather than from code, and transcripts record
+ * whatever the process was actually in.
+ */
+function isCommandersDir(email: string, cwd: string): boolean {
+  try {
+    return resolve(cwd) === resolve(getCommandersDir(email));
+  } catch {
+    return false;
+  }
+}
+
 /**
  * Every conversation in every directory, newest first.
  *