diff --git a/src/daemon/handlers/session-doctor-app.ts b/src/daemon/handlers/session-doctor-app.ts
index 983cb07ca..7b328725f 100644
--- a/src/daemon/handlers/session-doctor-app.ts
+++ b/src/daemon/handlers/session-doctor-app.ts
@@ -43,7 +43,7 @@ export async function appendAppChecks(
       status: 'fail',
       summary: `Target app check failed: ${normalized.message}`,
       hint: normalized.hint ?? 'Install the app or pass an exact package/bundle id or app name.',
-      command: `agent-device apps --platform ${device.platform} --all`,
+      command: `agent-device apps --platform ${publicPlatformString(device)} --all`,
       evidence: { code: normalized.code, message: normalized.message },
     });
   }
diff --git a/src/daemon/handlers/session-doctor-device.ts b/src/daemon/handlers/session-doctor-device.ts
index 2aa118dc4..88aa206a6 100644
--- a/src/daemon/handlers/session-doctor-device.ts
+++ b/src/daemon/handlers/session-doctor-device.ts
@@ -13,8 +13,8 @@ import {
   publicPlatformString,
   type DeviceInfo,
   type DeviceTarget,
-  type Platform,
   type PlatformSelector,
+  type PublicPlatform,
 } from '../../kernel/device.ts';
 import { normalizeError } from '../../kernel/errors.ts';
 import type { DaemonRequest, SessionState } from '../types.ts';
@@ -267,12 +267,16 @@ function deviceInventoryEvidence(
   devices: DeviceInfo[],
   failures: DoctorInventoryFailure[],
 ): Record<string, unknown> {
-  const byPlatform = new Map<Platform, { available: number; booted: number }>();
+  // Key by the PUBLIC leaf platform (ios/macos/android/...), never the internal
+  // collapsed `apple`, so the doctor breakdown stays a machine-stable output and
+  // Apple devices split into ios vs macos.
+  const byPlatform = new Map<PublicPlatform, { available: number; booted: number }>();
   for (const device of devices) {
-    const entry = byPlatform.get(device.platform) ?? { available: 0, booted: 0 };
+    const key = publicPlatformString(device);
+    const entry = byPlatform.get(key) ?? { available: 0, booted: 0 };
     entry.available += 1;
     if (device.booted === true) entry.booted += 1;
-    byPlatform.set(device.platform, entry);
+    byPlatform.set(key, entry);
   }
   return {
     available: devices.length,
diff --git a/src/daemon/handlers/session-doctor-options.ts b/src/daemon/handlers/session-doctor-options.ts
index 85ca805ea..e446e8322 100644
--- a/src/daemon/handlers/session-doctor-options.ts
+++ b/src/daemon/handlers/session-doctor-options.ts
@@ -1,4 +1,5 @@
 import { detectProjectRuntimeKind } from '../../utils/project-runtime.ts';
+import { publicPlatformString } from '../../kernel/device.ts';
 import type { SessionStore } from '../session-store.ts';
 import type { DaemonRequest, SessionState } from '../types.ts';
 import type { DoctorCheck, DoctorKind, DoctorOptions } from './session-doctor-types.ts';
@@ -116,7 +117,7 @@ export function sessionChecks(
           : undefined,
       command:
         sameDeviceSessions.length > 0
-          ? `agent-device close --session ${sameDeviceSessions[0]} --platform ${session.device.platform}`
+          ? `agent-device close --session ${sameDeviceSessions[0]} --platform ${publicPlatformString(session.device)}`
           : undefined,
       evidence: {
         session: session.name,