feat: improve cleaner history pagination and report states

tests/unit/execution-report-state.test.ts

@@ -0,0 +1,60 @@
+import { describe, expect, it } from 'vitest'
+import { getExecutionReportState } from '../../src/renderer/src/components/execution-report-state'
+
+describe('execution report state helpers', () => {
+  it('treats dry-run as preview regardless of counters', () => {
+    const state = getExecutionReportState({
+      dryRun: true,
+      errors: ['should be ignored'],
+      materialsFailed: 1,
+      uncertainDeletions: 1
+    })
+
+    expect(state.state).toBe('preview')
+    expect(state.title).toBe('预览执行报告')
+  })
+
+  it('treats runtime errors as failure', () => {
+    const state = getExecutionReportState({
+      errors: ['boom'],
+      materialsFailed: 0,
+      uncertainDeletions: 0
+    })
+
+    expect(state.state).toBe('failure')
+    expect(state.title).toBe('执行完成 (失败)')
+  })
+
+  it('treats failed materials as partial success when there are no runtime errors', () => {
+    const state = getExecutionReportState({
+      errors: [],
+      materialsFailed: 3,
+      uncertainDeletions: 0
+    })
+
+    expect(state.state).toBe('partial_success')
+    expect(state.showSuccessBanner).toBe(false)
+  })
+
+  it('treats uncertain deletions as manual review when everything else succeeded', () => {
+    const state = getExecutionReportState({
+      errors: [],
+      materialsFailed: 0,
+      uncertainDeletions: 2
+    })
+
+    expect(state.state).toBe('manual_review')
+    expect(state.showSuccessBanner).toBe(false)
+  })
+
+  it('treats clean completion as success', () => {
+    const state = getExecutionReportState({
+      errors: [],
+      materialsFailed: 0,
+      uncertainDeletions: 0
+    })
+
+    expect(state.state).toBe('success')
+    expect(state.showSuccessBanner).toBe(true)
+  })
+})