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0fd4962e4c
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feat(Ring0): Phase 107 - Ring0.FsApi FileIo integration complete
Implementation Summary:
Phase 107 establishes FileBox as a unified layer over Ring0.FsApi
Completed Tasks:
- Task 1: FsApi SSOT review and documentation
- Task 2: FileIo designed as FsApi wrapper
- Task 3: Ring0FsFileIo implementation added
- Task 4: Fail-Fast integration verified
- Task 5: Documentation integration complete
Key Changes:
1. New File: src/providers/ring1/file/ring0_fs_fileio.rs
- Ring0.FsApi-based FileIo implementation
- Stateful wrapper (open/read/close)
- UTF-8 handling via read_to_string()
- One-file-at-a-time semantics (tested)
2. provider_lock.rs:
- Added init_default_filebox_provider()
- Auto-registration helper for Ring0FsFileIo
3. plugin_host.rs:
- with_core_from_registry_optional() auto-registers default provider
- Plugin priority maintained (debug logging)
- Phase 106 MissingService check still active (Fail-Fast preserved)
4. Documentation:
- phase107_fsapi_fileio_bridge.md: Complete design doc
- phase106_filebox_design_revised.md: Phase 107 integration notes
- core_boxes_design.md: Layer diagram and principles
Design Decisions:
- UTF-8 handling: read_to_string() for text-focused use cases
- One file at a time: open() returns Err if already open
- Plugin priority: init_default_filebox_provider() fails gracefully
Test Results:
- cargo build --release: SUCCESS
- plugin_host tests: 11 passed
- ring0_fs_fileio tests: 4 passed
Next Steps (Phase 108+):
- minimal/no-fs profile support
- write operations
- multi-file handle support
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2025-12-03 18:16:49 +09:00 |
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