diff --git a/app/src/components/flows/WorkflowCopilotPanel.test.tsx b/app/src/components/flows/WorkflowCopilotPanel.test.tsx
index 1e896b19b..5c589fb29 100644
--- a/app/src/components/flows/WorkflowCopilotPanel.test.tsx
+++ b/app/src/components/flows/WorkflowCopilotPanel.test.tsx
@@ -244,6 +244,107 @@ describe('WorkflowCopilotPanel', () => {
     expect(hookState.clearProposal).not.toHaveBeenCalled();
   });
 
+  // PR1 — "Save & enable": a second button next to "Accept & save" that asks
+  // the host to save AND arm the flow in one click, mirroring the main-chat
+  // `WorkflowProposalCard`'s create+arm parity.
+  describe('Save & enable (PR1)', () => {
+    it('calls onAccept with { enable: true } and clears the proposal once it resolves', async () => {
+      const onAccept = vi.fn().mockResolvedValue(undefined);
+      hookState.proposal = proposalWith(['a', 'c']);
+      render(
+        <WorkflowCopilotPanel
+          graph={baseGraph}
+          onProposal={vi.fn()}
+          onAccept={onAccept}
+          onReject={vi.fn()}
+          onClose={vi.fn()}
+        />
+      );
+      fireEvent.click(screen.getByTestId('workflow-copilot-accept-and-enable'));
+      expect(onAccept).toHaveBeenCalledWith(hookState.proposal, { enable: true });
+      await waitFor(() => expect(hookState.clearProposal).toHaveBeenCalledTimes(1));
+    });
+
+    it('shows the enabling label and disables both accept buttons while the host save is in flight', async () => {
+      let resolveSave!: () => void;
+      const savePromise = new Promise<void>(resolve => {
+        resolveSave = resolve;
+      });
+      const onAccept = vi.fn().mockReturnValue(savePromise);
+      hookState.proposal = proposalWith(['a', 'c']);
+      render(
+        <WorkflowCopilotPanel
+          graph={baseGraph}
+          onProposal={vi.fn()}
+          onAccept={onAccept}
+          onReject={vi.fn()}
+          onClose={vi.fn()}
+        />
+      );
+
+      fireEvent.click(screen.getByTestId('workflow-copilot-accept-and-enable'));
+      await waitFor(() =>
+        expect(screen.getByTestId('workflow-copilot-accept-and-enable')).toHaveTextContent(
+          'flows.copilot.enabling'
+        )
+      );
+      expect(screen.getByTestId('workflow-copilot-accept-and-enable')).toBeDisabled();
+      // The plain "Accept & save" button must also be disabled while the
+      // enable-flavored save is in flight — the two must not race.
+      expect(screen.getByTestId('workflow-copilot-accept')).toBeDisabled();
+      expect(hookState.clearProposal).not.toHaveBeenCalled();
+
+      resolveSave();
+      await waitFor(() => expect(hookState.clearProposal).toHaveBeenCalledTimes(1));
+    });
+
+    it('leaves the proposal visible and shows an enable-error message when the host save/enable rejects', async () => {
+      const onAccept = vi.fn().mockRejectedValue(new Error('enable failed'));
+      hookState.proposal = proposalWith(['a', 'c']);
+      render(
+        <WorkflowCopilotPanel
+          graph={baseGraph}
+          onProposal={vi.fn()}
+          onAccept={onAccept}
+          onReject={vi.fn()}
+          onClose={vi.fn()}
+        />
+      );
+
+      fireEvent.click(screen.getByTestId('workflow-copilot-accept-and-enable'));
+      await waitFor(() => expect(onAccept).toHaveBeenCalledTimes(1));
+      // The button re-enables once the rejected save settles, the proposal
+      // was never cleared (stays up for retry), and the dedicated enable-error
+      // message appears.
+      await waitFor(() =>
+        expect(screen.getByTestId('workflow-copilot-accept-and-enable')).not.toBeDisabled()
+      );
+      expect(hookState.clearProposal).not.toHaveBeenCalled();
+      expect(screen.getByTestId('workflow-copilot-enable-error')).toHaveTextContent(
+        'flows.copilot.enableError'
+      );
+    });
+
+    it('does not show the enable-error message for a plain Accept & save failure', async () => {
+      const onAccept = vi.fn().mockRejectedValue(new Error('save failed'));
+      hookState.proposal = proposalWith(['a', 'c']);
+      render(
+        <WorkflowCopilotPanel
+          graph={baseGraph}
+          onProposal={vi.fn()}
+          onAccept={onAccept}
+          onReject={vi.fn()}
+          onClose={vi.fn()}
+        />
+      );
+
+      fireEvent.click(screen.getByTestId('workflow-copilot-accept'));
+      await waitFor(() => expect(onAccept).toHaveBeenCalledTimes(1));
+      await waitFor(() => expect(screen.getByTestId('workflow-copilot-accept')).not.toBeDisabled());
+      expect(screen.queryByTestId('workflow-copilot-enable-error')).not.toBeInTheDocument();
+    });
+  });
+
   it('disables Reject while an Accept save is in flight, so it cannot race the persisted save', async () => {
     // Regression for the CodeRabbit finding: Reject must not stay clickable
     // while `onAccept`'s save is still pending, otherwise the user's cancel
diff --git a/app/src/components/flows/WorkflowCopilotPanel.tsx b/app/src/components/flows/WorkflowCopilotPanel.tsx
index af4a67ea3..e68beeb82 100644
--- a/app/src/components/flows/WorkflowCopilotPanel.tsx
+++ b/app/src/components/flows/WorkflowCopilotPanel.tsx
@@ -75,8 +75,14 @@ interface Props {
    * persists it — "accept" is now review + save in one step). May return a
    * promise the panel awaits to show a saving state; a rejected promise
    * leaves the proposal visible so the user can retry.
+   *
+   * `opts.enable` (PR1 — "Save & enable") requests an immediate follow-up
+   * arm after the save succeeds, mirroring the main-chat
+   * `WorkflowProposalCard`'s one-click create+arm. Optional and backward
+   * compatible — a plain "Accept & save" click omits `opts` entirely, so it
+   * neither enables nor force-disables an already-enabled existing flow.
    */
-  onAccept: (proposal: WorkflowProposal) => void | Promise<void>;
+  onAccept: (proposal: WorkflowProposal, opts?: { enable?: boolean }) => void | Promise<void>;
   /** Reject the pending proposal (host reverts the overlay). */
   onReject: () => void;
   /** Close the panel. */
@@ -168,11 +174,25 @@ export default function WorkflowCopilotPanel({
   const fileInputRef = useRef<HTMLInputElement | null>(null);
   const isComposingTextRef = useRef(false);
 
+  // Set only when a "Save & enable" attempt's `onAccept` rejects — surfaced
+  // as a dedicated inline message (`flows.copilot.enableError`) distinct from
+  // a plain "Accept & save" failure, which stays silent-but-retryable as
+  // before (the button re-enabling is signal enough there). Declared early
+  // (ahead of the proposal-surfacing effect below, which also clears it) so
+  // both that effect and the accept/reject handlers further down can
+  // reference it without a temporal-dead-zone ordering issue.
+  const [enableError, setEnableError] = useState(false);
+
   // Surface each NEW proposal to the host exactly once (enter preview overlay).
   const lastSurfacedRef = useRef<WorkflowProposal | null>(null);
   useEffect(() => {
     if (proposal && proposal !== lastSurfacedRef.current) {
       lastSurfacedRef.current = proposal;
+      // A genuinely new proposal object replacing a prior one (e.g. a further
+      // revise turn) supersedes any stale "Save & enable" failure from the
+      // earlier proposal — clear it so the new card doesn't inherit an
+      // unrelated error message.
+      setEnableError(false);
       onProposal(proposal);
     }
   }, [proposal, onProposal]);
@@ -376,39 +396,61 @@ export default function WorkflowCopilotPanel({
 
   // Accept now review-and-saves: `onAccept` (the host's `handleAcceptProposal`)
   // applies the proposal to the draft AND persists it. Track a local
-  // `acceptSaving` flag so the button can show a saving state and disable
-  // re-clicks while that's in flight. If the host's save throws, leave the
-  // proposal card visible (don't `clearProposal()`) so the user can retry —
-  // otherwise a failed autosave would silently vanish the only affordance to
-  // try again from the copilot itself (the header Save button is a fallback,
-  // but this keeps the copilot's own flow self-contained).
-  const [acceptSaving, setAcceptSaving] = useState(false);
-  const accept = useCallback(async () => {
-    // Self-guard against re-entrance: the JSX `disabled={acceptSaving}` on
-    // the Accept button prevents a normal double-click, but `acceptSaving`
-    // only flips after the FIRST call's `setAcceptSaving(true)` commits — a
-    // second invocation racing ahead of that render (e.g. programmatic
-    // re-fire) must not start a second concurrent save.
-    if (!proposal || acceptSaving) return;
-    setAcceptSaving(true);
-    log('accept: saving proposal via host onAccept');
-    try {
-      await onAccept(proposal);
-      log('accept: save succeeded, clearing proposal');
-      clearProposal();
-      lastSurfacedRef.current = null;
-    } catch (err) {
-      log('accept: save failed, leaving proposal visible for retry err=%o', err);
-    } finally {
-      setAcceptSaving(false);
-    }
-  }, [proposal, acceptSaving, onAccept, clearProposal]);
+  // `acceptState` union (rather than a plain boolean) so the two accept
+  // buttons ("Accept & save" / "Save & enable", PR1) can each show their own
+  // in-flight label while BOTH stay disabled — a save-in-flight click on the
+  // other button, or Reject, must not race the pending persist. If the
+  // host's save (or enable) throws, leave the proposal card visible (don't
+  // `clearProposal()`) so the user can retry — otherwise a failed autosave
+  // would silently vanish the only affordance to try again from the copilot
+  // itself (the header Save button is a fallback, but this keeps the
+  // copilot's own flow self-contained).
+  const [acceptState, setAcceptState] = useState<'idle' | 'saving' | 'enabling'>('idle');
+  const acceptBusy = acceptState !== 'idle';
+  const runAccept = useCallback(
+    async (opts?: { enable?: boolean }) => {
+      // Self-guard against re-entrance: the JSX `disabled={acceptBusy}` on
+      // both buttons prevents a normal double-click, but `acceptState` only
+      // flips after the FIRST call's `setAcceptState(...)` commits — a
+      // second invocation racing ahead of that render (e.g. programmatic
+      // re-fire) must not start a second concurrent save.
+      if (!proposal || acceptBusy) return;
+      const enable = Boolean(opts?.enable);
+      setAcceptState(enable ? 'enabling' : 'saving');
+      setEnableError(false);
+      log('accept: saving proposal via host onAccept enable=%s', enable);
+      try {
+        // Plain "Accept & save" calls `onAccept` with just the proposal (no
+        // second argument at all) — matching the pre-PR1 call signature
+        // exactly — so a host that doesn't care about `opts` (or a caller
+        // asserting on `onAccept`'s exact arguments) sees no behavioral
+        // change. Only "Save & enable" adds the `{ enable: true }` opts.
+        if (enable) {
+          await onAccept(proposal, opts);
+        } else {
+          await onAccept(proposal);
+        }
+        log('accept: save succeeded, clearing proposal');
+        clearProposal();
+        lastSurfacedRef.current = null;
+      } catch (err) {
+        log('accept: save (or enable) failed, leaving proposal visible for retry err=%o', err);
+        if (enable) setEnableError(true);
+      } finally {
+        setAcceptState('idle');
+      }
+    },
+    [proposal, acceptBusy, onAccept, clearProposal, setEnableError]
+  );
+  const accept = useCallback(() => runAccept(), [runAccept]);
+  const acceptAndEnable = useCallback(() => runAccept({ enable: true }), [runAccept]);
 
   const reject = useCallback(() => {
     onReject();
     clearProposal();
     lastSurfacedRef.current = null;
-  }, [onReject, clearProposal]);
+    setEnableError(false);
+  }, [onReject, clearProposal, setEnableError]);
 
   const diff = proposal ? diffGraphs(graph, proposal.graph as WorkflowGraph) : null;
 
@@ -492,26 +534,46 @@ export default function WorkflowCopilotPanel({
               )}
             </div>
 
-            <div className="mt-3 flex items-center gap-2">
+            <div className="mt-3 flex flex-wrap items-center gap-2">
               <Button
                 type="button"
                 variant="primary"
                 size="sm"
-                disabled={acceptSaving}
+                analyticsId="workflow-copilot-accept"
+                disabled={acceptBusy}
                 data-testid="workflow-copilot-accept"
                 onClick={() => void accept()}>
-                {acceptSaving ? t('flows.copilot.saving') : t('flows.copilot.acceptAndSave')}
+                {acceptState === 'saving'
+                  ? t('flows.copilot.saving')
+                  : t('flows.copilot.acceptAndSave')}
+              </Button>
+              <Button
+                type="button"
+                variant="primary"
+                size="sm"
+                analyticsId="workflow-copilot-accept-and-enable"
+                disabled={acceptBusy}
+                data-testid="workflow-copilot-accept-and-enable"
+                onClick={() => void acceptAndEnable()}>
+                {acceptState === 'enabling'
+                  ? t('flows.copilot.enabling')
+                  : t('flows.copilot.saveAndEnable')}
               </Button>
               <Button
                 type="button"
                 variant="secondary"
                 size="sm"
-                disabled={acceptSaving}
+                disabled={acceptBusy}
                 data-testid="workflow-copilot-reject"
                 onClick={reject}>
                 {t('flows.copilot.reject')}
               </Button>
             </div>
+            {acceptState === 'idle' && enableError && (
+              <p className="mt-2 text-xs text-coral" data-testid="workflow-copilot-enable-error">
+                {t('flows.copilot.enableError')}
+              </p>
+            )}
           </div>
         )}
 
diff --git a/app/src/lib/i18n/ar.ts b/app/src/lib/i18n/ar.ts
index 58cefa507..145b79cbf 100644
--- a/app/src/lib/i18n/ar.ts
+++ b/app/src/lib/i18n/ar.ts
@@ -4087,7 +4087,10 @@ const messages: TranslationMap = {
   'flows.copilot.noChanges': 'هذا الاقتراح لا يغيّر أي عقدة.',
   'flows.copilot.accept': 'تطبيق على المسودة',
   'flows.copilot.acceptAndSave': 'قبول وحفظ',
+  'flows.copilot.saveAndEnable': 'حفظ وتفعيل',
   'flows.copilot.saving': 'جارٍ الحفظ…',
+  'flows.copilot.enabling': 'جارٍ التفعيل…',
+  'flows.copilot.enableError': 'تم الحفظ، لكن تعذّر تفعيل سير العمل. حاول تفعيله من القائمة.',
   'flows.copilot.reject': 'تجاهل',
   'flows.copilot.previewHint': 'جارٍ مراجعة مسودة مقترحة: لم يُحفظ شيء بعد.',
   'flows.copilot.repairDisplay': 'فشل تشغيل؛ راجعه واقترح إصلاحًا.',
diff --git a/app/src/lib/i18n/bn.ts b/app/src/lib/i18n/bn.ts
index 330052021..62f87ff14 100644
--- a/app/src/lib/i18n/bn.ts
+++ b/app/src/lib/i18n/bn.ts
@@ -4187,7 +4187,11 @@ const messages: TranslationMap = {
   'flows.copilot.noChanges': 'এই প্রস্তাব কোনো নোড পরিবর্তন করে না।',
   'flows.copilot.accept': 'খসড়ায় প্রয়োগ করুন',
   'flows.copilot.acceptAndSave': 'গ্রহণ ও সংরক্ষণ করুন',
+  'flows.copilot.saveAndEnable': 'সংরক্ষণ ও সক্রিয় করুন',
   'flows.copilot.saving': 'সংরক্ষণ করা হচ্ছে…',
+  'flows.copilot.enabling': 'সক্রিয় করা হচ্ছে…',
+  'flows.copilot.enableError':
+    'সংরক্ষিত হয়েছে, কিন্তু ওয়ার্কফ্লো সক্রিয় করা যায়নি। তালিকা থেকে এটি চালু করার চেষ্টা করুন।',
   'flows.copilot.reject': 'বাতিল করুন',
   'flows.copilot.previewHint':
     'একটি প্রস্তাবিত খসড়া পর্যালোচনা হচ্ছে: এখনও কিছু সংরক্ষণ করা হয়নি।',
diff --git a/app/src/lib/i18n/de.ts b/app/src/lib/i18n/de.ts
index 5b83faec0..630b63ddf 100644
--- a/app/src/lib/i18n/de.ts
+++ b/app/src/lib/i18n/de.ts
@@ -4306,7 +4306,11 @@ const messages: TranslationMap = {
   'flows.copilot.noChanges': 'Dieser Vorschlag ändert keine Knoten.',
   'flows.copilot.accept': 'Auf Entwurf anwenden',
   'flows.copilot.acceptAndSave': 'Übernehmen & speichern',
+  'flows.copilot.saveAndEnable': 'Speichern & aktivieren',
   'flows.copilot.saving': 'Wird gespeichert…',
+  'flows.copilot.enabling': 'Wird aktiviert…',
+  'flows.copilot.enableError':
+    'Workflow gespeichert, konnte aber nicht aktiviert werden. Versuchen Sie es erneut oder aktivieren Sie ihn auf der Workflows-Seite.',
   'flows.copilot.reject': 'Verwerfen',
   'flows.copilot.previewHint':
     'Ein vorgeschlagener Entwurf wird geprüft: es wurde noch nichts gespeichert.',
diff --git a/app/src/lib/i18n/en.ts b/app/src/lib/i18n/en.ts
index 3368ea52c..036908c71 100644
--- a/app/src/lib/i18n/en.ts
+++ b/app/src/lib/i18n/en.ts
@@ -4880,7 +4880,11 @@ const en: TranslationMap = {
   'flows.copilot.noChanges': 'No node changes in this proposal.',
   'flows.copilot.accept': 'Apply to draft',
   'flows.copilot.acceptAndSave': 'Accept & save',
+  'flows.copilot.saveAndEnable': 'Save & enable',
   'flows.copilot.saving': 'Saving…',
+  'flows.copilot.enabling': 'Enabling…',
+  'flows.copilot.enableError':
+    'Saved, but could not enable the workflow. Try toggling it on from the list.',
   'flows.copilot.reject': 'Dismiss',
   'flows.copilot.previewHint': 'Reviewing a proposed draft: nothing is saved yet.',
   'flows.copilot.repairDisplay': 'A run failed. Please review it and propose a fix.',
diff --git a/app/src/lib/i18n/es.ts b/app/src/lib/i18n/es.ts
index 870fc00a0..7254c56c3 100644
--- a/app/src/lib/i18n/es.ts
+++ b/app/src/lib/i18n/es.ts
@@ -4259,7 +4259,11 @@ const messages: TranslationMap = {
   'flows.copilot.noChanges': 'Esta propuesta no cambia ningún nodo.',
   'flows.copilot.accept': 'Aplicar al borrador',
   'flows.copilot.acceptAndSave': 'Aceptar y guardar',
+  'flows.copilot.saveAndEnable': 'Guardar y activar',
   'flows.copilot.saving': 'Guardando…',
+  'flows.copilot.enabling': 'Activando…',
+  'flows.copilot.enableError':
+    'Guardado, pero no se pudo activar el flujo de trabajo. Actívalo desde la lista.',
   'flows.copilot.reject': 'Descartar',
   'flows.copilot.previewHint': 'Revisando un borrador propuesto: aún no se ha guardado nada.',
   'flows.copilot.repairDisplay': 'Falló una ejecución; revísala y propón una solución.',
diff --git a/app/src/lib/i18n/fr.ts b/app/src/lib/i18n/fr.ts
index 2a4b49ee0..41e7d09a0 100644
--- a/app/src/lib/i18n/fr.ts
+++ b/app/src/lib/i18n/fr.ts
@@ -4287,7 +4287,11 @@ const messages: TranslationMap = {
   'flows.copilot.noChanges': 'Cette proposition ne modifie aucun nœud.',
   'flows.copilot.accept': 'Appliquer au brouillon',
   'flows.copilot.acceptAndSave': 'Accepter et enregistrer',
+  'flows.copilot.saveAndEnable': 'Enregistrer et activer',
   'flows.copilot.saving': 'Enregistrement…',
+  'flows.copilot.enabling': 'Activation…',
+  'flows.copilot.enableError':
+    'Enregistré, mais impossible d’activer le workflow. Essayez de l’activer depuis la liste.',
   'flows.copilot.reject': 'Ignorer',
   'flows.copilot.previewHint': 'Examen d’un brouillon proposé: rien n’est encore enregistré.',
   'flows.copilot.repairDisplay': 'Une exécution a échoué ; examinez-la et proposez une correction.',
diff --git a/app/src/lib/i18n/hi.ts b/app/src/lib/i18n/hi.ts
index be21c6c87..79138ea39 100644
--- a/app/src/lib/i18n/hi.ts
+++ b/app/src/lib/i18n/hi.ts
@@ -4185,7 +4185,11 @@ const messages: TranslationMap = {
   'flows.copilot.noChanges': 'यह प्रस्ताव किसी नोड को नहीं बदलता।',
   'flows.copilot.accept': 'ड्राफ़्ट पर लागू करें',
   'flows.copilot.acceptAndSave': 'स्वीकार करें और सहेजें',
+  'flows.copilot.saveAndEnable': 'सहेजें और सक्रिय करें',
   'flows.copilot.saving': 'सहेजा जा रहा है…',
+  'flows.copilot.enabling': 'सक्रिय किया जा रहा है…',
+  'flows.copilot.enableError':
+    'सहेज लिया गया है, लेकिन वर्कफ़्लो सक्रिय नहीं हो सका। सूची से इसे चालू करने का प्रयास करें।',
   'flows.copilot.reject': 'रद्द करें',
   'flows.copilot.previewHint':
     'एक प्रस्तावित ड्राफ़्ट की समीक्षा हो रही है: अभी कुछ सहेजा नहीं गया।',
diff --git a/app/src/lib/i18n/id.ts b/app/src/lib/i18n/id.ts
index 1a4a83723..46b4fb742 100644
--- a/app/src/lib/i18n/id.ts
+++ b/app/src/lib/i18n/id.ts
@@ -4202,7 +4202,11 @@ const messages: TranslationMap = {
   'flows.copilot.noChanges': 'Usulan ini tidak mengubah simpul apa pun.',
   'flows.copilot.accept': 'Terapkan ke draf',
   'flows.copilot.acceptAndSave': 'Terima & simpan',
+  'flows.copilot.saveAndEnable': 'Simpan & aktifkan',
   'flows.copilot.saving': 'Menyimpan…',
+  'flows.copilot.enabling': 'Mengaktifkan…',
+  'flows.copilot.enableError':
+    'Tersimpan, tetapi alur kerja tidak dapat diaktifkan. Coba aktifkan dari daftar.',
   'flows.copilot.reject': 'Buang',
   'flows.copilot.previewHint': 'Meninjau draf yang diusulkan: belum ada yang disimpan.',
   'flows.copilot.repairDisplay': 'Sebuah eksekusi gagal; periksa dan usulkan perbaikan.',
diff --git a/app/src/lib/i18n/it.ts b/app/src/lib/i18n/it.ts
index d0e6c1bdf..9a86d5e14 100644
--- a/app/src/lib/i18n/it.ts
+++ b/app/src/lib/i18n/it.ts
@@ -4256,7 +4256,11 @@ const messages: TranslationMap = {
   'flows.copilot.noChanges': 'Questa proposta non modifica alcun nodo.',
   'flows.copilot.accept': 'Applica alla bozza',
   'flows.copilot.acceptAndSave': 'Accetta e salva',
+  'flows.copilot.saveAndEnable': 'Salva e attiva',
   'flows.copilot.saving': 'Salvataggio…',
+  'flows.copilot.enabling': 'Attivazione…',
+  'flows.copilot.enableError':
+    'Workflow salvato, ma non è stato possibile attivarlo. Riprova, oppure attivalo dalla pagina Workflows.',
   'flows.copilot.reject': 'Ignora',
   'flows.copilot.previewHint': 'Revisione di una bozza proposta: non è stato ancora salvato nulla.',
   'flows.copilot.repairDisplay': 'Un’esecuzione è fallita; esaminala e proponi una correzione.',
diff --git a/app/src/lib/i18n/ko.ts b/app/src/lib/i18n/ko.ts
index 315bf4b4d..1620ecf3d 100644
--- a/app/src/lib/i18n/ko.ts
+++ b/app/src/lib/i18n/ko.ts
@@ -4140,7 +4140,11 @@ const messages: TranslationMap = {
   'flows.copilot.noChanges': '이 제안은 노드를 변경하지 않습니다.',
   'flows.copilot.accept': '초안에 적용',
   'flows.copilot.acceptAndSave': '수락 및 저장',
+  'flows.copilot.saveAndEnable': '저장 및 활성화',
   'flows.copilot.saving': '저장 중…',
+  'flows.copilot.enabling': '활성화 중…',
+  'flows.copilot.enableError':
+    '저장되었지만 워크플로를 활성화하지 못했습니다. 목록에서 활성화해 보세요.',
   'flows.copilot.reject': '버리기',
   'flows.copilot.previewHint': '제안된 초안을 검토 중입니다: 아직 저장되지 않았습니다.',
   'flows.copilot.repairDisplay': '실행이 실패했습니다. 확인하고 수정을 제안하세요.',
diff --git a/app/src/lib/i18n/pl.ts b/app/src/lib/i18n/pl.ts
index 51838b6e9..4a5dda9f2 100644
--- a/app/src/lib/i18n/pl.ts
+++ b/app/src/lib/i18n/pl.ts
@@ -4241,7 +4241,11 @@ const messages: TranslationMap = {
   'flows.copilot.noChanges': 'Ta propozycja nie zmienia żadnego węzła.',
   'flows.copilot.accept': 'Zastosuj do wersji roboczej',
   'flows.copilot.acceptAndSave': 'Zaakceptuj i zapisz',
+  'flows.copilot.saveAndEnable': 'Zapisz i włącz',
   'flows.copilot.saving': 'Zapisywanie…',
+  'flows.copilot.enabling': 'Włączanie…',
+  'flows.copilot.enableError':
+    'Zapisano, ale nie udało się włączyć przepływu pracy. Spróbuj włączyć go z listy.',
   'flows.copilot.reject': 'Odrzuć',
   'flows.copilot.previewHint':
     'Przeglądasz proponowaną wersję roboczą: nic nie zostało jeszcze zapisane.',
diff --git a/app/src/lib/i18n/pt.ts b/app/src/lib/i18n/pt.ts
index 4faab0c69..712be4fbb 100644
--- a/app/src/lib/i18n/pt.ts
+++ b/app/src/lib/i18n/pt.ts
@@ -4248,7 +4248,11 @@ const messages: TranslationMap = {
   'flows.copilot.noChanges': 'Esta proposta não altera nenhum nó.',
   'flows.copilot.accept': 'Aplicar ao rascunho',
   'flows.copilot.acceptAndSave': 'Aceitar e salvar',
+  'flows.copilot.saveAndEnable': 'Salvar e ativar',
   'flows.copilot.saving': 'Salvando…',
+  'flows.copilot.enabling': 'Ativando…',
+  'flows.copilot.enableError':
+    'Salvo, mas não foi possível ativar o fluxo de trabalho. Tente ativá-lo pela lista.',
   'flows.copilot.reject': 'Descartar',
   'flows.copilot.previewHint': 'Revisando um rascunho proposto: nada foi salvo ainda.',
   'flows.copilot.repairDisplay': 'Uma execução falhou; analise-a e proponha uma correção.',
diff --git a/app/src/lib/i18n/ru.ts b/app/src/lib/i18n/ru.ts
index 5aa939b2c..5bf1c48d9 100644
--- a/app/src/lib/i18n/ru.ts
+++ b/app/src/lib/i18n/ru.ts
@@ -4226,7 +4226,11 @@ const messages: TranslationMap = {
   'flows.copilot.noChanges': 'Это предложение не меняет ни одного узла.',
   'flows.copilot.accept': 'Применить к черновику',
   'flows.copilot.acceptAndSave': 'Принять и сохранить',
+  'flows.copilot.saveAndEnable': 'Сохранить и включить',
   'flows.copilot.saving': 'Сохранение…',
+  'flows.copilot.enabling': 'Включение…',
+  'flows.copilot.enableError':
+    'Сохранено, но не удалось включить рабочий процесс. Попробуйте включить его из списка.',
   'flows.copilot.reject': 'Отклонить',
   'flows.copilot.previewHint': 'Просмотр предложенного черновика: пока ничего не сохранено.',
   'flows.copilot.repairDisplay': 'Запуск завершился ошибкой; изучите его и предложите исправление.',
diff --git a/app/src/lib/i18n/zh-CN.ts b/app/src/lib/i18n/zh-CN.ts
index e86dfac2a..4861f5a83 100644
--- a/app/src/lib/i18n/zh-CN.ts
+++ b/app/src/lib/i18n/zh-CN.ts
@@ -3967,7 +3967,10 @@ const messages: TranslationMap = {
   'flows.copilot.noChanges': '此方案未更改任何节点。',
   'flows.copilot.accept': '应用到草稿',
   'flows.copilot.acceptAndSave': '接受并保存',
+  'flows.copilot.saveAndEnable': '保存并启用',
   'flows.copilot.saving': '保存中…',
+  'flows.copilot.enabling': '启用中…',
+  'flows.copilot.enableError': '已保存，但无法启用该工作流。请尝试从列表中启用它。',
   'flows.copilot.reject': '放弃',
   'flows.copilot.previewHint': '正在查看建议的草稿：尚未保存任何内容。',
   'flows.copilot.repairDisplay': '一次运行失败了，请查看并提出修复方案。',
diff --git a/app/src/pages/FlowCanvasPage.tsx b/app/src/pages/FlowCanvasPage.tsx
index 7f8c793c3..a7f42381f 100644
--- a/app/src/pages/FlowCanvasPage.tsx
+++ b/app/src/pages/FlowCanvasPage.tsx
@@ -44,7 +44,14 @@ import { workflowGraphToXyflow } from '../lib/flows/graphAdapter';
 import { buildPreviewGraph, diffGraphs } from '../lib/flows/graphDiff';
 import type { WorkflowGraph } from '../lib/flows/types';
 import { useT } from '../lib/i18n/I18nContext';
-import { createFlow, type Flow, getFlow, runFlow, updateFlow } from '../services/api/flowsApi';
+import {
+  createFlow,
+  type Flow,
+  getFlow,
+  runFlow,
+  setFlowEnabled,
+  updateFlow,
+} from '../services/api/flowsApi';
 import type { WorkflowProposal } from '../store/chatRuntimeSlice';
 import type { ToastNotification } from '../types/intelligence';
 
@@ -480,12 +487,30 @@ function FlowEditor({
   //
   // Declared ahead of `handleAcceptProposal` (below), which calls it directly
   // to persist an accepted proposal immediately.
+  //
+  // Returns `flowId`/`flowEnabled` alongside `remounted` so a caller wanting a
+  // "Save & enable" follow-up (`handleAcceptProposal`'s `opts.enable`) knows
+  // exactly which flow id to arm and whether the persisted flow already came
+  // back enabled — without having to re-derive it from component state, which
+  // is especially important for the draft-create path: `flowId` (the prop)
+  // is still `null` in THIS closure even after `createFlow` resolves, since
+  // the draft only becomes a real flow id via the `navigate(...)` below, not
+  // a state update this same render can observe.
   const handleSave = useCallback(
     async (
       next: WorkflowGraph,
       overrideName?: string,
-      overrideRequireApproval?: boolean
-    ): Promise<{ remounted: boolean }> => {
+      overrideRequireApproval?: boolean,
+      // When true, a draft-create does NOT navigate to `/flows/:id` itself —
+      // the caller owns navigation timing. `handleAcceptProposal`'s
+      // "Save & enable" needs this: it must run `setFlowEnabled` on the
+      // just-created flow BEFORE the route change unmounts this page, else the
+      // enable RPC resolves against an unmounted component (its loading/error
+      // state is lost and the new page shows the flow still disabled). The
+      // `wasDraft` flag in the return tells the caller navigation is now its
+      // responsibility.
+      deferDraftNavigation?: boolean
+    ): Promise<{ remounted: boolean; flowId: string; flowEnabled: boolean; wasDraft: boolean }> => {
       // `overrideName` covers the copilot-Accept call site: it calls
       // `setName(proposal.name)` and `handleSave(...)` in the same handler,
       // but `name` in THIS closure is still the pre-update value — React
@@ -510,11 +535,24 @@ function FlowEditor({
           effectiveRequireApproval
         );
         const created = await createFlow(effectiveName, next, effectiveRequireApproval);
-        log('save: draft persisted as flow id=%s', created.id);
-        navigate(`/flows/${created.id}`, { replace: true });
+        log('save: draft persisted as flow id=%s enabled=%s', created.id, created.enabled);
+        if (!deferDraftNavigation) {
+          navigate(`/flows/${created.id}`, { replace: true });
+        }
         // Navigating replaces this whole page (new `flowId` route param), so
         // "remounted" is moot for a draft-create — no caller branches on it.
-        return { remounted: false };
+        // `flowId`/`flowEnabled` DO matter — a "Save & enable" caller reads
+        // them to arm the just-created flow (B29 Rule 1 always persists an
+        // automatic-trigger draft disabled, regardless of the caller's
+        // intent), and this RPC response is the only place that id/enabled
+        // pair is available before the route change lands. `wasDraft` lets a
+        // `deferDraftNavigation` caller know it now owns the navigation.
+        return {
+          remounted: false,
+          flowId: created.id,
+          flowEnabled: created.enabled,
+          wasDraft: true,
+        };
       }
       // Only include `name` / `requireApproval` in the update payload when
       // they actually diverge from what's already persisted (a manual
@@ -565,13 +603,14 @@ function FlowEditor({
         setCanvasVersion(v => v + 1);
       }
       log(
-        'save: flow id=%s persisted — canvas re-synced from response nodes=%d edges=%d graphChanged=%s',
+        'save: flow id=%s persisted — canvas re-synced from response nodes=%d edges=%d graphChanged=%s enabled=%s',
         flowId,
         persisted.nodes.length,
         persisted.edges.length,
-        graphChanged
+        graphChanged,
+        updated.enabled
       );
-      return { remounted: graphChanged };
+      return { remounted: graphChanged, flowId, flowEnabled: updated.enabled, wasDraft: false };
     },
     [isDraft, flowId, name, requireApproval, navigate]
   );
@@ -624,9 +663,20 @@ function FlowEditor({
   // right after Accept would have done. A failed save is non-fatal: the
   // proposal stays applied to the (now dirty) draft and the header Save
   // button remains the manual retry — we never crash or revert the draft.
+  //
+  // `opts.enable` (PR1 — "Save & enable") mirrors `WorkflowProposalCard.save()`
+  // in the main chat surface: after a successful save, explicitly arm the
+  // flow via `setFlowEnabled`. This is needed because `createFlow` with an
+  // automatic trigger (schedule/app_event/webhook) ALWAYS persists disabled
+  // (B29 Rule 1, `flowsApi.ts`) regardless of what the caller passed — Rule 1
+  // exists to stop a copilot autosave from silently arming an unattended
+  // automation, but "Save & enable" is the user's own explicit arming click,
+  // not a silent autosave, so it must follow up. Plain "Accept & save" (no
+  // `opts`) must NOT enable and must NOT force-disable an already-enabled
+  // existing flow — it's simply omitted from the call.
   const handleAcceptProposal = useCallback(
-    async (proposal: WorkflowProposal) => {
-      log('copilot proposal accepted');
+    async (proposal: WorkflowProposal, opts?: { enable?: boolean }) => {
+      log('copilot proposal accepted: enable=%s', Boolean(opts?.enable));
       const proposedGraph = proposal.graph as WorkflowGraph;
       setDraftGraph(proposedGraph);
       setPreview(null);
@@ -670,10 +720,18 @@ function FlowEditor({
       // `canvasVersion` bump above) so the ref's imperative handle is stale;
       // call `handleSave` directly with the known-good proposed graph.
       try {
-        const { remounted } = await handleSave(
+        const {
+          remounted,
+          flowId: savedFlowId,
+          flowEnabled,
+          wasDraft,
+        } = await handleSave(
           proposedGraph,
           overrideName,
-          proposal.requireApproval
+          proposal.requireApproval,
+          // Defer a draft-create's navigation so a "Save & enable" arms the
+          // flow BEFORE this page unmounts — see `deferDraftNavigation`.
+          true
         );
         // The canvas remounted once already (this handler's own bump above)
         // with `forcedDirty` seeded `true` — correct pre-persist, but that
@@ -688,15 +746,56 @@ function FlowEditor({
         if (!remounted) {
           canvasRef.current?.clearForcedDirty();
         }
-        log('copilot proposal accepted: persisted remounted=%s', remounted);
+        log(
+          'copilot proposal accepted: persisted remounted=%s flowId=%s flowEnabled=%s',
+          remounted,
+          savedFlowId,
+          flowEnabled
+        );
+
+        // "Save & enable": follow up with an explicit arm, same as
+        // `WorkflowProposalCard.save()`. Fires unconditionally when
+        // requested (idempotent if the flow already came back enabled) —
+        // simpler than special-casing an already-enabled flow, and this is
+        // still inside the same try/catch so a failure here also leaves the
+        // proposal visible for retry rather than silently vanishing.
+        if (opts?.enable) {
+          log('copilot proposal accepted: enabling flow id=%s', savedFlowId);
+          try {
+            await setFlowEnabled(savedFlowId, true);
+            log('copilot proposal accepted: enable succeeded id=%s', savedFlowId);
+          } catch (enableErr) {
+            // The flow IS saved at this point. On a DRAFT we must still
+            // navigate to the created flow (below) or a retry would create a
+            // duplicate — so we can't keep the proposal for an in-place retry;
+            // swallow here and let the user arm it from the flow page (matches
+            // the "Saved, but could not enable" guidance). On an EXISTING flow
+            // there's no navigation, so rethrow to keep the proposal visible
+            // for retry, preserving the pre-existing behavior.
+            if (!wasDraft) throw enableErr;
+            log(
+              'copilot proposal accepted: enable failed on draft; flow saved-but-disabled id=%s err=%o',
+              savedFlowId,
+              enableErr
+            );
+          }
+        }
+
+        // Draft navigation was deferred so the "Save & enable" arm could run
+        // first; now that persist + enable have settled, move to the real flow
+        // route. A non-draft accept stays on its existing `/flows/:id` page.
+        if (wasDraft) {
+          navigate(`/flows/${savedFlowId}`, { replace: true });
+        }
       } catch (err) {
-        log('copilot proposal accepted: save failed err=%o', err);
+        log('copilot proposal accepted: save/enable failed err=%o', err);
         // Rethrow: the draft above is already applied unconditionally, so no
         // data is lost by rethrowing. This lets the caller — the copilot
-        // panel's own `accept` handler — see the failure and skip
-        // `clearProposal()`, keeping the proposal card visible for retry
-        // instead of silently vanishing while nothing was actually saved.
-        // `acceptSaving` there still resets via its own `finally`.
+        // panel's own `accept`/`acceptAndEnable` handler — see the failure
+        // and skip `clearProposal()`, keeping the proposal card visible for
+        // retry instead of silently vanishing while nothing was actually
+        // saved (or saved-but-not-enabled). `acceptSaving`/`acceptState`
+        // there still resets via its own `finally`.
         throw err;
       }
     },
diff --git a/app/src/pages/__tests__/FlowCanvasPage.test.tsx b/app/src/pages/__tests__/FlowCanvasPage.test.tsx
index 6cbe4a2ca..28596e9eb 100644
--- a/app/src/pages/__tests__/FlowCanvasPage.test.tsx
+++ b/app/src/pages/__tests__/FlowCanvasPage.test.tsx
@@ -25,6 +25,7 @@ const createFlow = vi.hoisted(() => vi.fn());
 const validateFlow = vi.hoisted(() => vi.fn());
 const listFlowConnections = vi.hoisted(() => vi.fn());
 const runFlow = vi.hoisted(() => vi.fn());
+const setFlowEnabled = vi.hoisted(() => vi.fn());
 vi.mock('../../services/api/flowsApi', () => ({
   getFlow,
   updateFlow,
@@ -32,6 +33,7 @@ vi.mock('../../services/api/flowsApi', () => ({
   validateFlow,
   listFlowConnections,
   runFlow,
+  setFlowEnabled,
 }));
 
 // Stub the copilot panel: it drives the real chat runtime (redux + socket),
@@ -99,10 +101,12 @@ describe('FlowCanvasPage', () => {
     validateFlow.mockReset();
     listFlowConnections.mockReset();
     runFlow.mockReset();
+    setFlowEnabled.mockReset();
     validateFlow.mockResolvedValue({ valid: true, errors: [], warnings: [] });
     listFlowConnections.mockResolvedValue([]);
     updateFlow.mockResolvedValue(makeFlow());
     createFlow.mockResolvedValue(makeFlow({ id: 'created-id', name: 'Daily digest' }));
+    setFlowEnabled.mockResolvedValue(makeFlow({ enabled: true }));
   });
 
   it('shows a loading state while the flow is being fetched', () => {
@@ -687,6 +691,7 @@ describe('FlowCanvasPage copilot proposal name adoption', () => {
     createFlow.mockReset();
     validateFlow.mockReset();
     listFlowConnections.mockReset();
+    setFlowEnabled.mockReset();
     validateFlow.mockResolvedValue({ valid: true, errors: [], warnings: [] });
     listFlowConnections.mockResolvedValue([]);
     // Accept now persists immediately (review + save in one step, see
@@ -695,6 +700,7 @@ describe('FlowCanvasPage copilot proposal name adoption', () => {
     // by an unmocked (`undefined`-resolving) `updateFlow`/`createFlow`.
     updateFlow.mockResolvedValue(makeFlow());
     createFlow.mockResolvedValue(makeFlow({ id: 'created-id' }));
+    setFlowEnabled.mockResolvedValue(makeFlow({ enabled: true }));
   });
 
   function renderEditor(id = 'test-id') {
@@ -710,12 +716,20 @@ describe('FlowCanvasPage copilot proposal name adoption', () => {
 
   // `handleAcceptProposal` is async (it awaits the persist call) — drive it
   // through `act(async () => …)` so React flushes every state update the
-  // resulting save produces before the test asserts on them.
-  function acceptProposal(proposal: WorkflowProposal = makeProposal()) {
+  // resulting save produces before the test asserts on them. `opts` mirrors
+  // the copilot panel's own "Save & enable" call (PR1) — omitted for a plain
+  // Accept & save, `{ enable: true }` for the enable path.
+  function acceptProposal(
+    proposal: WorkflowProposal = makeProposal(),
+    opts?: { enable?: boolean }
+  ) {
     return act(async () => {
-      await (copilotPanelProps.current?.onAccept as (p: WorkflowProposal) => Promise<void>)(
-        proposal
-      );
+      await (
+        copilotPanelProps.current?.onAccept as (
+          p: WorkflowProposal,
+          opts?: { enable?: boolean }
+        ) => Promise<void>
+      )(proposal, opts);
     });
   }
 
@@ -984,6 +998,175 @@ describe('FlowCanvasPage copilot proposal name adoption', () => {
     await waitFor(() => expect(screen.getByTestId('flow-editor-dirty')).toBeInTheDocument());
     await waitFor(() => expect(screen.getByTestId('flow-editor-save')).not.toBeDisabled());
   });
+
+  // PR1 — "Save & enable": `handleAcceptProposal`'s `opts.enable` follow-up.
+  describe('Save & enable (PR1)', () => {
+    it('calls setFlowEnabled(flowId, true) after a successful save on an existing flow', async () => {
+      getFlow.mockResolvedValue(makeFlow({ id: 'test-id', enabled: false }));
+      updateFlow.mockResolvedValue(makeFlow({ id: 'test-id', enabled: false }));
+      renderEditor();
+      await waitFor(() => expect(screen.getByTestId('flow-canvas')).toBeInTheDocument());
+
+      await acceptProposal(makeProposal(), { enable: true });
+
+      expect(updateFlow).toHaveBeenCalledTimes(1);
+      expect(setFlowEnabled).toHaveBeenCalledTimes(1);
+      expect(setFlowEnabled).toHaveBeenCalledWith('test-id', true);
+    });
+
+    it('calls setFlowEnabled with the newly-created id on a draft', async () => {
+      createFlow.mockResolvedValue(makeFlow({ id: 'created-id', name: 'Standup reminder' }));
+      getFlow.mockResolvedValue(makeFlow({ id: 'created-id', name: 'Standup reminder' }));
+      render(
+        <MemoryRouter
+          initialEntries={[
+            {
+              pathname: '/flows/draft',
+              state: {
+                name: 'New workflow',
+                graph: {
+                  schema_version: 1,
+                  name: 'New workflow',
+                  nodes: [
+                    {
+                      id: 't',
+                      kind: 'trigger',
+                      name: 'Start',
+                      config: {},
+                      ports: [],
+                      position: { x: 0, y: 0 },
+                    },
+                  ],
+                  edges: [],
+                },
+                requireApproval: false,
+              },
+            },
+          ]}>
+          <Routes>
+            <Route path="/flows/draft" element={<FlowCanvasDraftPage />} />
+            <Route path="/flows/:id" element={<FlowCanvasPage />} />
+          </Routes>
+        </MemoryRouter>
+      );
+      await waitFor(() => expect(screen.getByTestId('flow-canvas')).toBeInTheDocument());
+
+      await acceptProposal(makeProposal(), { enable: true });
+
+      expect(createFlow).toHaveBeenCalledTimes(1);
+      await waitFor(() => expect(setFlowEnabled).toHaveBeenCalledTimes(1));
+      expect(setFlowEnabled).toHaveBeenCalledWith('created-id', true);
+    });
+
+    it('on a draft "Save & enable", runs enable BEFORE navigating, and swallows an enable failure (flow saved, armed from its own page)', async () => {
+      createFlow.mockResolvedValue(makeFlow({ id: 'created-id', name: 'Standup reminder' }));
+      getFlow.mockResolvedValue(makeFlow({ id: 'created-id', name: 'Standup reminder' }));
+      setFlowEnabled.mockRejectedValue(new Error('enable rpc failed'));
+      render(
+        <MemoryRouter
+          initialEntries={[
+            {
+              pathname: '/flows/draft',
+              state: {
+                name: 'New workflow',
+                graph: {
+                  schema_version: 1,
+                  name: 'New workflow',
+                  nodes: [
+                    {
+                      id: 't',
+                      kind: 'trigger',
+                      name: 'Start',
+                      config: {},
+                      ports: [],
+                      position: { x: 0, y: 0 },
+                    },
+                  ],
+                  edges: [],
+                },
+                requireApproval: false,
+              },
+            },
+          ]}>
+          <Routes>
+            <Route path="/flows/draft" element={<FlowCanvasDraftPage />} />
+            <Route path="/flows/:id" element={<FlowCanvasPage />} />
+          </Routes>
+        </MemoryRouter>
+      );
+      await waitFor(() => expect(screen.getByTestId('flow-canvas')).toBeInTheDocument());
+
+      let caughtErr: unknown;
+      await act(async () => {
+        try {
+          await (
+            copilotPanelProps.current?.onAccept as (
+              p: WorkflowProposal,
+              opts?: { enable?: boolean }
+            ) => Promise<void>
+          )(makeProposal(), { enable: true });
+        } catch (err) {
+          caughtErr = err;
+        }
+      });
+
+      // On a draft the create succeeds first, so the enable is attempted
+      // BEFORE the deferred navigation (the whole point of the fix — otherwise
+      // navigate would unmount this page and the enable RPC would resolve
+      // against a dead component). And because the flow IS saved, a draft
+      // enable failure must NOT rethrow: rethrowing would strand the user on
+      // the draft and a retry would create a DUPLICATE flow. Instead we
+      // navigate to the real flow and let the user arm it there. (Contrast the
+      // existing-flow rethrow test above, which keeps the proposal for retry.)
+      expect(createFlow).toHaveBeenCalledTimes(1);
+      await waitFor(() => expect(setFlowEnabled).toHaveBeenCalledWith('created-id', true));
+      expect(caughtErr).toBeUndefined();
+      // Navigation to the real flow happened afterward (its page fetches it).
+      await waitFor(() => expect(getFlow).toHaveBeenCalledWith('created-id'));
+    });
+
+    it('does NOT call setFlowEnabled for a plain Accept & save (no opts)', async () => {
+      getFlow.mockResolvedValue(makeFlow({ id: 'test-id' }));
+      renderEditor();
+      await waitFor(() => expect(screen.getByTestId('flow-canvas')).toBeInTheDocument());
+
+      await acceptProposal();
+
+      expect(updateFlow).toHaveBeenCalledTimes(1);
+      expect(setFlowEnabled).not.toHaveBeenCalled();
+    });
+
+    it('rethrows an enable failure after a successful save, so the saved flow is not lost and the caller can retry', async () => {
+      getFlow.mockResolvedValue(makeFlow({ id: 'test-id' }));
+      updateFlow.mockResolvedValue(makeFlow({ id: 'test-id' }));
+      setFlowEnabled.mockRejectedValue(new Error('enable rpc failed'));
+      renderEditor();
+      await waitFor(() => expect(screen.getByTestId('flow-canvas')).toBeInTheDocument());
+
+      let caughtErr: unknown;
+      await act(async () => {
+        try {
+          await (
+            copilotPanelProps.current?.onAccept as (
+              p: WorkflowProposal,
+              opts?: { enable?: boolean }
+            ) => Promise<void>
+          )(makeProposal(), { enable: true });
+        } catch (err) {
+          caughtErr = err;
+        }
+      });
+
+      // The save itself succeeded — `updateFlow` was called and resolved —
+      // only the follow-up enable call failed. Rethrowing lets the copilot
+      // panel's own catch branch skip `clearProposal()`, keeping the card
+      // visible for retry (matching the plain-save failure contract).
+      expect(updateFlow).toHaveBeenCalledTimes(1);
+      expect(setFlowEnabled).toHaveBeenCalledTimes(1);
+      expect(caughtErr).toBeInstanceOf(Error);
+      expect((caughtErr as Error).message).toBe('enable rpc failed');
+    });
+  });
 });
 
 describe('asCopilotBuildSeed', () => {