Task 31: Verify all DB settings consolidated (no scatter)
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VERIFICATION RESULTS:

1. CacheSettingsTab.tsx Status:
   ✓ DELETED - File not found at src/app/(dashboard)/dashboard/settings/components/CacheSettingsTab.tsx

2. Database Settings Consolidation:
   ✓ All cache settings moved to SystemStorageTab.tsx:
     - semanticCacheEnabled
     - semanticCacheMaxSize
     - semanticCacheTTL
     - promptCacheEnabled
     - promptCacheStrategy
     - alwaysPreserveClientCache

3. Retention Settings:
   ✓ All retention settings in SystemStorageTab:
     - quotaSnapshots (default: 7 days)
     - rawDataRetentionDays (default: 7 days)
     - memoryRetentionDays (default: 30 days)
     - Log retention policies
     - Backup retention policies

4. Logs Settings:
   ✓ All log settings in SystemStorageTab:
     - detailed_logs_enabled
     - call_log_pipeline_enabled
     - maxDetailSizeKb
     - ringBufferSize

5. No Scattered Settings Found:
   ✓ Grep search for database settings outside SystemStorageTab returned only:
     - API route implementations (expected)
     - Test files (expected)
     - No UI tabs with scattered settings

6. Database Persistence:
   ✓ All settings persisted in key_value table:
     - quotaSnapshots: 3
     - rawDataRetentionDays: 7
     - memoryRetentionDays: 30
     - detailed_logs_enabled: 0
     - call_log_pipeline_enabled: 0

CONCLUSION: ✓ PASS - All database-related settings consolidated into SystemStorageTab