diff --git a/apps/desktop/src/app/chat/composer/hooks/use-composer-trigger.test.ts b/apps/desktop/src/app/chat/composer/hooks/use-composer-trigger.test.ts
index a4ab38b3b3a..4239f781afa 100644
--- a/apps/desktop/src/app/chat/composer/hooks/use-composer-trigger.test.ts
+++ b/apps/desktop/src/app/chat/composer/hooks/use-composer-trigger.test.ts
@@ -172,6 +172,20 @@ describe('useComposerTrigger — free-text slash arguments', () => {
     expect(hook.result.current.triggerActiveExplicit).toBe(false)
   })
 
+  it('keeps a multi-word /resume search typeable instead of firing the picker action', () => {
+    // The session list always ends in a "Browse all sessions…" action row, so
+    // an accept here doesn't insert a chip — it empties the composer and opens
+    // the overlay, taking the half-typed query with it.
+    const editor = mountEditor('/resume my new')
+    const { hook } = mountTrigger(editor, [item('/resume', 'Sessions')])
+
+    act(() => hook.result.current.refreshTrigger())
+
+    expect(hook.result.current.slashFreeTextArgStage).toBe(true)
+    expect(hook.result.current.commitTypedSlashDirective()).toBe(false)
+    expect(composerPlainText(editor)).toBe('/resume my new')
+  })
+
   it('still commits a fully typed finite option as one directive chip', () => {
     const editor = mountEditor('/personality creative')
     const { hook } = mountTrigger(editor, [])
diff --git a/apps/desktop/src/lib/desktop-slash-commands.ts b/apps/desktop/src/lib/desktop-slash-commands.ts
index 81e4a694c01..62f2e0d5bd7 100644
--- a/apps/desktop/src/lib/desktop-slash-commands.ts
+++ b/apps/desktop/src/lib/desktop-slash-commands.ts
@@ -188,7 +188,13 @@ const DESKTOP_COMMAND_SPECS: readonly DesktopCommandSpec[] = [
     description: 'Resume a saved session',
     aliases: ['/sessions', '/switch'],
     surface: picker('session'),
-    argumentMode: 'options'
+    // `mixed`, not `options`: the argument is a free-text search the picker
+    // fuzzy-matches against titles and previews, so multi-word queries have to
+    // stay typeable. Its completion list also always carries a trailing
+    // "Browse all sessions…" action row, which meant Space-to-accept could
+    // never fall through — the first space wiped the composer and threw the
+    // user into the overlay.
+    argumentMode: 'mixed'
   },
 
   // Backend-executed commands that render useful inline output.