[JolandaVerhoef]

Summary

• Implement multimodal document storage and indexing (:feature:assistant documents package)
• Integrate on-device Embedding Gemma v2 with Jetpack AppSearch hybrid search
• Add DocumentVisionScanner with on-device ML Kit OCR and document classification
• Implement DocumentsScreen with Material 3 vault search, camera scanner, and file importer
• Enhance PDF voucher graphics with vector canvas rendering and document preview sheet
• Wire AppFunction document tools (searchTravelDocuments, getTravelDocumentDetails, saveTravelNoteDocument) with ACCESS_LEVEL_SELF
• Register FileProvider for secure camera capture and document imports
• Address PR com.google.ai.edge.aicore.UnknownException: AICore failed with error type 2-INFERENCE_ERROR and error code 8-NOT_AVAILABLE: Required LLM feature not found #24 review feedback:
  • Guard syncIndex content hash when vector is null until model is available
  • Query document by documentId or id in TravelDocumentDao
  • Single-newline header parsing in importEmailDocument
  • Selective seed document deletion on trip cleanup
  • Transit keyword detection for flight and train tickets
  • Offload document operations to IO dispatchers
• Sanitized mock seed data & tests with Alex Chen profile.

Verification

• Unit tests passed: :feature:assistant:testDebugUnitTest :data:itinerary:testDebugUnitTest.