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TODO.md

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+# INV Project TODO List
+
+## 1. Import Path Fixes
+- [ ] Remove all imports 'INV' namespace 
+
+## 2. HuggingFace Integration
+- [x] Fix HuggingFace token handling
+- [ ] Implement proper error handling in HuggingFaceDatasetManager
+- [ ] Add retry mechanism for dataset operations
+- [ ] Create consistent token access method across codebase
+
+## 3. Database Migration
+
+### 3.1 Core Storage Components
+
+#### 3.1.1 Parallel Processing Components
+- [ ] parallel_array_distributor.py
+  - [ ] Replace LocalStorage with HuggingFaceDatasetManager
+  - [ ] Update storage operations:
+    - [ ] Replace query_tensors with dataset queries
+    - [ ] Convert store_tensor to use HF datasets
+    - [ ] Update load_tensor to use dataset access
+  - [ ] Implement chunked dataset operations
+  - [ ] Add versioning for distributed chunks
+  - [ ] Update metadata handling for HF compatibility
+- [ ] Replace JSON file storage with HuggingFace datasets
+  - [ ] multithread_storage.py (Highest Priority)
+    - [ ] Migrate StorageBlock management
+    - [ ] Update ThreadPoolExecutor integration
+    - [ ] Convert DuckDB operations to HF datasets
+  - [ ] tensor_storage.py
+    - [ ] Update TensorOps serialization
+    - [ ] Implement HF dataset tensor storage
+  - [ ] http_storage.py
+    - [ ] Replace LocalStorage implementation
+    - [ ] Update remote storage handlers
+
+### 3.2 Memory Management
+- [ ] Update memory hierarchy implementations
+  - [ ] gpu_arch.py
+    - [ ] Migrate SharedMemory
+    - [ ] Update L1Cache implementation
+    - [ ] Convert GlobalMemory to HF datasets
+  - [ ] virtual_vram.py (complete migration)
+  - [ ] streaming_multiprocessor.py
+  - [ ] gpu_chip.py
+
+### 3.3 Helium Framework
+- [ ] Update Helium components
+  - [ ] modality_aware_tensor_core.py
+    - [ ] Migrate storage backend
+    - [ ] Update modality handling
+  - [ ] decoder.py
+    - [ ] Convert DecoderCache to HF
+    - [ ] Update HeliumDBManager
+  - [ ] encoder.py
+    - [ ] Migrate EncoderCache
+    - [ ] Update state management
+  - [ ] transform3d.py
+    - [ ] Convert geometry caching
+  - [ ] activations.py
+    - [ ] Migrate DuckDBCache
+
+### 3.4 Infrastructure
+- [ ] Update infrastructure components
+  - [ ] visual_server.py
+    - [ ] Convert storage stats
+    - [ ] Update dashboard data
+  - [ ] http_server.py
+    - [ ] Migrate CacheRequest/Response
+  - [ ] ai_http.py
+    - [ ] Update AI acceleration storage
+
+### 3.5 CPU Components
+- [ ] Migrate CPU-related storage
+  - [ ] cpu_grid_manager.py
+    - [ ] Convert DuckDB operations
+  - [ ] cpu/db_example.py
+    - [ ] Update example implementations
+  - [ ] cpu/enhanced_cpu.py
+    - [ ] Migrate CPU state storage
+
+### 3.6 Advanced Features
+- [ ] Implement on-demand data loading/saving
+  - [ ] Lazy loading for large tensors
+  - [ ] Streaming support for datasets
+  - [ ] Caching strategy implementation
+- [ ] Add data versioning support
+  - [ ] Dataset version tracking
+  - [ ] Migration scripts
+  - [ ] Rollback capability
+
+## 4. Code Structure Improvements
+- [ ] Implement proper singleton pattern for dataset management
+- [ ] Add thread safety mechanisms for concurrent access
+- [ ] Create centralized configuration management
+- [ ] Implement robust error handling for database operations
+
+## 5. Testing and Validation
+- [ ] Create comprehensive test suite for dataset operations
+- [ ] Verify data consistency across operations
+- [ ] Test concurrent access scenarios
+- [ ] Validate proper cleanup of resources
+
+## 6. Environment Configuration
+- [ ] Set up proper PYTHONPATH configuration
+- [ ] Create consistent environment variable management
+- [ ] Document required environment setup
+- [ ] Add validation for required credentials
+
+## 7. Performance Optimization
+- [ ] Implement efficient caching mechanisms
+- [ ] Optimize dataset chunking for large data
+- [ ] Add compression for data transfer
+- [ ] Implement batch operations for better performance
+
+## 8. Documentation
+- [ ] Document new dataset integration
+- [ ] Update API documentation
+- [ ] Create migration guide
+- [ ] Add troubleshooting guide
+
+## 9. Security
+- [ ] Implement secure token storage
+- [ ] Add access control mechanisms
+- [ ] Implement proper credential management
+- [ ] Add audit logging for sensitive operations
+
+## 10. Cleanup
+- [ ] Remove deprecated JSON storage code
+- [ ] Clean up unused imports
+- [ ] Remove redundant configuration
+- [ ] Update requirements.txt with new dependencies
+
+## Notes
+- Priority should be given to import path fixes and HuggingFace integration as they are foundational
+- All tasks should be implemented with proper error handling and testing
+- Documentation should be updated as changes are made