Fix conversation automation counter validation

packages/api-contracts/tests/contracts.test.ts

@@ -184,6 +184,12 @@ describe('dashboard endpoint contracts', () => {
       automation: { turnsUsed: 1, remainingTurns: 2, status: 'active', handoffReason: null },
       syncInProgress: null,
     }).success).toBe(true);
+    expect(ConversationDetailResponseSchema.safeParse({
+      ...chat,
+      triggeringPost: null,
+      automation: { turnsUsed: 4, remainingTurns: 2, status: 'active', handoffReason: null },
+      syncInProgress: null,
+    }).success).toBe(true);
     expect(ChatsResponseSchema.safeParse([{ ...chat, messages: [{ sender: 'alice' }] }]).success).toBe(false);
     expect(ChatSyncTriggerResponseSchema.safeParse({ success: true, kind: 'delta' }).success).toBe(true);
     expect(ChatSyncTriggerResponseSchema.safeParse({ success: false, reason: 'Already running full sync' }).success).toBe(true);