fix: restore cleaner history in postgresql

tests/unit/cleaner-history-load-state.test.ts

@@ -0,0 +1,29 @@
+import { describe, expect, it } from 'vitest'
+import {
+  canStartHistoryLoad,
+  getNextHistoryLoadState
+} from '../../src/renderer/src/components/cleaner-history-load-state'
+
+describe('cleaner history load state helpers', () => {
+  it('allows initial and failed loads to retry', () => {
+    expect(canStartHistoryLoad('idle')).toBe(true)
+    expect(canStartHistoryLoad('error')).toBe(true)
+  })
+
+  it('prevents duplicate requests after loading starts or succeeds', () => {
+    expect(canStartHistoryLoad('loading')).toBe(false)
+    expect(canStartHistoryLoad('success')).toBe(false)
+  })
+
+  it('retries after an error but keeps successful loads cached', () => {
+    const failedState = getNextHistoryLoadState('loading', 'error')
+    const retryState = getNextHistoryLoadState(failedState, 'start')
+    const successState = getNextHistoryLoadState(retryState, 'success')
+    const blockedState = getNextHistoryLoadState(successState, 'start')
+
+    expect(failedState).toBe('error')
+    expect(retryState).toBe('loading')
+    expect(successState).toBe('success')
+    expect(blockedState).toBe('success')
+  })
+})