- Added entry preparation helpers for batch indexing in `index_prepare_ops.py`.
- Introduced runtime helper functions for index persistence in `index_runtime_helpers.py`.
- Created utility functions for batching, journal lookups, state hashing, and stats initialization in `scan_batch_utils.py`.
- Developed batch failure diagnosis helpers in `scan_diagnostics.py`.
- Implemented high-level scan/index orchestration helpers in `scan_orchestrator.py`.
- Added storage and state helpers for scan/index operations in `scan_storage_ops.py`.
- Extracted streaming scan helpers from `scanner.py` into `scan_streaming.py`.
- Added unit tests for file system walker and scan batch utilities.
MajoorWaldi
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