* refactor(components): extract shared component state into mixin
- Introduce ComponentMixin class with shared state for components and steps
- Move identity, config, and vault path functionality to ComponentMixin
- Update BaseComponent to inherit from ComponentMixin
- Update BaseStep to inherit from ComponentMixin
- Consolidate vault path helper methods in ComponentMixin
- Remove duplicate vault path implementations from BaseComponent and BaseStep
- Add ComponentMixin to components module exports
* refactor(file_io): implement path locks cache eviction mechanism
- Add _PATH_LOCKS_MAX constant set to 1024 for cache size limit
- Implement cache eviction logic when locks exceed maximum capacity
- Remove half of unlocked entries when cache limit is reached
- Use list comprehension to identify unlocked locks for removal
- Maintain existing path normalization and locking behavior
fix(edit): correct method call from public to private fail method
- Change self.fail to self._fail for internal error handling
- Maintain consistent private method usage within class
fix(mcp_client): change pop to get for optional command and args
- Replace kwargs.pop with kwargs.get to avoid removing keys
- Preserve original kwargs dictionary contents
- Maintain default empty string and list values
feat(reme): add client backend validation with error raising
- Check if client_cls is None before instantiation
- Raise ValueError with descriptive message for unknown backends
- Provide clear error feedback for invalid backend configurations
* fix(components): move directory creation to start method
- Moved component_metadata_path.mkdir call from __init__ to _start in base_keyword_index
- Moved component_metadata_path.mkdir call from __init__ to _start in local_file_graph
- Moved component_metadata_path.mkdir call from __init__ to _start in local_file_store
- Ensures directory creation happens after component initialization
- Prevents potential issues with path creation during object construction
* fix(steps): replace assertions with runtime errors for app_context validation
- Replace assert statements with explicit RuntimeError exceptions when app_context is None
- Add descriptive error messages for better debugging when resolving components
- Replace assert in resolve_component method with proper exception handling
- Replace assert in get_file_parser method with proper exception handling
- Maintain same functionality while improving error reporting clarity
* refactor(file_io): split file IO utilities into modular components
- Move daily note helpers to separate _daily_index module
- Extract path validation and resolution to new _path module
- Remove unused code and imports from _file_io module
- Update import statements across affected modules
- Introduce WikilinkHandler utility for link parsing
- Replace regex-based link extraction with WikilinkHandler
- Add integration JSONL files to gitignore
- Consolidate file locking mechanism in _file_io module
* style(formatter): fix spacing issues in file IO and chunked file parser
- Fixed whitespace around colon in slice notation in file_io.py
- Corrected spacing around colon in slice notation in chunked_file_parser.py
- Applied consistent formatting for array slicing operations
- Improved code readability by standardizing space placement in ranges
* refactor(steps): replace property-based component resolution with Ref descriptor
- Introduce Ref descriptor class for lazy component dependency resolution
- Replace _resolve method and individual properties with Ref descriptors
- Add as_llm, as_llm_formatter, as_token_counter, file_store, and embedding Ref attributes
- Remove legacy property methods and resolve logic from BaseStep
- Add cache clearing mechanism for Ref values during step calls
- Update UpdateCatalogStep to use Ref instead of property-based resolution
- Add comprehensive Markdown kernel section covering Obsidian compatibility
- Include detailed explanation of YAML front matter and wikilink formats
- Document smart slicing mechanism using Markdown AST instead of fixed tokens
- Explain graph indexing with bidirectional links and multiple backends
- Restructure sections with proper numbering from 4 to 7
- Move Markdown kernel section to appear before self-evolution features
- Add detailed explanations of auto-memory, auto-dream, and auto-link processes
- Document three-way hybrid search with RRF fusion and progressive expansion
- Include engineering value explanations for keyword indexing in Chinese context
