fix(pi): retain ownership for uncertain mutations

tests/unit/coding-conversations-store.test.tsx

@@ -587,7 +587,21 @@ describe('coding Conversation store', () => {
     })).rejects.toThrow('Delivery is uncertain');
     source.fail();
     source.open();
-    source.emit('snapshot', snapshotEvent(snapshot('conversation-a')));
+    const activeSnapshot = snapshot('conversation-a');
+    source.emit('snapshot', snapshotEvent({
+      ...activeSnapshot,
+      run: {
+        status: 'running',
+        runId: 'run-uncertain',
+        mode: 'prompt',
+        startedAt: 1_000,
+        error: {
+          code: 'CODING_REQUEST_UNCERTAIN',
+          message: '请求确认延迟，可能仍在执行。',
+          recoverable: true,
+        },
+      },
+    }));
 
     expect(store.getState().draftsByConversationId['conversation-a'].text).toBe('Do not replay');
     expect(store.getState().requestsByConversationId['conversation-a']['request-1'])
@@ -596,6 +610,22 @@ describe('coding Conversation store', () => {
     expect(selectCodingConversationSnapshot('conversation-a')(store.getState())?.nodes[0])
       .toMatchObject({ id: 'node-1', status: 'optimistic' });
     expect(submitPrompt).toHaveBeenCalledTimes(1);
+
+    store.getState().applyPatchBatchEvent(patchBatch('conversation-a', 1, [{
+      op: 'run.state',
+      run: {
+        status: 'idle',
+        runId: 'run-uncertain',
+        mode: 'prompt',
+        startedAt: 1_000,
+        settledAt: 12_000,
+        terminalReason: 'completed',
+      },
+    }]));
+
+    expect(store.getState().requestsByConversationId['conversation-a']).toEqual({});
+    expect(store.getState().draftsByConversationId['conversation-a'].text).toBe('Do not replay');
+    expect(store.getState().entriesByConversationId['conversation-a'].error).toBeNull();
   });
 
   it('keeps a primed first Conversation usable while runtime preparation is still held', async () => {