feat: verifyIntegrity 리포트 확장(summary) 및 테스트 추가\n\n- VerifyResult에 summary(total/missing/integrityMismatches/sizeMismatches/bundleHashMismatch) 추가\n- verify.integrity.test.ts에 summary 단언 추가\n- 전체 테스트 그린 유지

lib/exporter/verify.integrity.test.ts

@@ -20,6 +20,13 @@ describe('verifyIntegrity', () => {
     const res = verifyIntegrity(extras, assets)
     expect(res.ok).toBe(true)
     expect(res.errors.length).toBe(0)
+    // summary
+    const parsedIdx = JSON.parse(td(idx)) as { entries: Array<{ path: string }> }
+    expect(res.summary.total).toBe(parsedIdx.entries.length)
+    expect(res.summary.missing).toBe(0)
+    expect(res.summary.integrityMismatches).toBe(0)
+    expect(res.summary.sizeMismatches).toBe(0)
+    expect(res.summary.bundleHashMismatch).toBe(false)
     // sanity: index contains both paths
     const parsed = JSON.parse(td(idx)) as { entries: Array<{ path: string }> }
     const paths = parsed.entries.map(e => e.path)
@@ -42,6 +49,7 @@ describe('verifyIntegrity', () => {
     const res = verifyIntegrity({ 'assets.integrity.index.json': idx }, assets)
     expect(res.ok).toBe(false)
     expect(res.errors.some((e: string) => e.includes(somePath) && e.toLowerCase().includes('mismatch'))).toBe(true)
+    expect(res.summary.integrityMismatches).toBeGreaterThanOrEqual(1)
   })
 
   it('detects missing entry or missing asset referenced by index', async () => {
@@ -58,6 +66,7 @@ describe('verifyIntegrity', () => {
     const res1 = verifyIntegrity({ 'assets.integrity.index.json': idx2 }, assets)
     expect(res1.ok).toBe(false)
     expect(res1.errors.some((e: string) => e.toLowerCase().includes('bundlehash'))).toBe(true)
+    expect(res1.summary.bundleHashMismatch).toBe(true)
 
     // reference a missing path in index
     obj.entries.unshift({ path: 'assets/missing.bin', integrity: 'sha256-AAAA' })
@@ -65,6 +74,7 @@ describe('verifyIntegrity', () => {
     const res2 = verifyIntegrity({ 'assets.integrity.index.json': idx3 }, assets)
     expect(res2.ok).toBe(false)
     expect(res2.errors.some((e: string) => e.includes('assets/missing.bin') && e.toLowerCase().includes('missing'))).toBe(true)
+    expect(res2.summary.missing).toBeGreaterThanOrEqual(1)
     // keep lints happy
     expect(removed).toBeTruthy()
   })