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yams/CHANGELOG.md
Trevon 96342464ca
 v0.1.5
2025-08-13 19:25:31 -04:00

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Changelog

All notable changes to YAMS (Yet Another Memory System) will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[v0.1.5] - 2025-08-13

Added

  • LLM Ergonomics Enhancements
    • Added --paths-only flag to search command for LLM-friendly output (one file path per line)
    • Enhanced codebase indexing workflows for AI agent integration
    • Improved documentation in PROMPT-eng.md with LLM-optimized YAMS patterns
    • Support for using YAMS as "memory layer for low context" in AI workflows
    • Magic number patterns for #include, import, function, class, shebang lines, etc.
    • Automatic programming language detection during recursive directory operations
  • Grep Command: Full-featured regex search within indexed file contents
    • Standard grep options: -A/--after, -B/--before, -C/--context for context lines
    • Pattern matching options: -i (case-insensitive), -w (whole word), -v (invert)
    • Output options: -n (line numbers), -H (with filename), -c (count), -l (files with matches)
    • Color highlighting support with --color option
    • Supports searching all indexed files or specific paths
  • Knowledge Graph Integration in Get Command
    • Added --graph flag to display related documents
    • Added --depth option (1-5) to control graph traversal depth
    • Shows documents in same directory and with similar extensions
    • Displays document relationships and metadata
  • Line-Level Search with Context
    • Enhanced search command with -n/--line-numbers flag
    • Added context options: -A/--after, -B/--before, -C/--context
    • Highlights matching lines with color
    • Shows surrounding context lines for better understanding

Fixed

  • Indexing Tests: Updated for new API with proper factory function declarations
  • Namespace Issues: Fixed forward declarations in document_indexer.h
  • CLI11 Conflicts: Resolved -h flag conflict in grep command by using only --no-filename
  • Test Suite Stabilization
    • Fixed SEGV crash in vector_database_tests (DocumentChunkerTest bounds checking)
    • Fixed AddressSanitizer container overflow in detection_tests
    • Added thread safety to FixtureManager test infrastructure with proper mutex protection
    • Added thread safety to FileTypeDetector for libmagic operations (not thread-safe by default)
    • Fixed compilation errors in multiple test files (header includes, error codes, GMock dependencies)
    • Fixed EXPECT_NO_THROW macro usage in detection tests
  • Recursive Add Pattern Parsing
    • Fixed CLI11 comma-separated pattern handling in --include and --exclude options
    • Now properly splits patterns like "*.cpp,*.h,*.md" into individual patterns
    • Added proper whitespace trimming and empty pattern filtering
  • CI/CD Pipeline Improvements
    • Fixed Conan options quoting for proper test builds ("yams/*:build_tests=True")
    • Added explicit YAMS_BUILD_TESTS=ON to CMake configuration
    • Added individual test target builds before running ctest
    • Implemented graceful test failure handling (CI continues, reports detailed results)
    • Added ASAN relaxation options for CI environment compatibility
    • Fixed YAML syntax error in release.yml (Python script indentation)

Enhanced

  • Get Command: Now supports partial hash resolution and fuzzy path matching
  • Search Command: Improved output with line-level context display
  • Test Coverage: Enabled previously skipped indexing tests with proper initialization

Technical Details

  • Grep Implementation: Uses std::regex for pattern matching with full ECMAScript support
  • Graph Display: Leverages MetadataRepository for document relationship queries
  • Line Context: Integrated content retrieval with search results for contextual display
  • File Type Detection: Added 40+ new patterns covering major programming languages
  • Pattern Matching: Fixed splitPatterns() function in add_command.cpp for proper comma handling
  • Search Output: Added pathsOnly_ flag with conditional output logic in search_command.cpp
  • Documentation: Enhanced PROMPT-eng.md with v0.1.4 LLM workflow patterns

[v0.1.3] - 2025-08-13

Added

  • Multi-Channel Package Distribution System
    • Universal install script with platform detection (Linux/macOS, x86_64/ARM64)
    • One-line installation: curl -fsSL https://raw.githubusercontent.com/trvon/yams/main/install.sh | bash
    • Checksum verification and retry logic for secure downloads
    • Custom installation directory support and shell completion setup
    • Environment variable customization (YAMS_VERSION, YAMS_INSTALL_DIR, etc.)
  • Docker Container Support
    • Multi-stage Dockerfile with optimized Ubuntu-based runtime
    • Multi-architecture builds (AMD64/ARM64) via GitHub Container Registry
    • Automated publishing on tags and main branch pushes to ghcr.io/trvon/yams
    • Non-root user configuration for security best practices

Enhanced

  • GitHub Release Workflow with Performance Reporting
    • Comprehensive benchmark execution with JSON result collection
    • Code coverage reports (HTML/XML) generated for Linux builds
    • Performance metrics tables in release notes with timing and throughput data
    • Coverage and benchmark files automatically uploaded as release assets
    • Combined release notes with changelog and performance data
  • CI/CD Pipeline Improvements
    • Migrated all workflows to self-hosted runners (self-hosted, Linux/macOS, X64/ARM64)
    • Fixed compatibility issues (mapfile command, artifact upload paths)
    • Enhanced artifact collection (coverage reports, benchmark results, binaries)
    • Streamlined build process removing problematic Conan profile modifications

Notes

  • All packaging improvements implemented but not yet released pending verification
  • Release workflow enhanced to provide comprehensive performance and coverage data
  • Multi-platform distribution ready for production deployment

[0.1.2] - 2025-08-13

Added

  • File Type and Time Filtering: Enhanced list, get, and stats commands with comprehensive filtering
    • File type filters: --type, --mime, --extension, --binary, --text
    • Time filters: --created-after/before, --modified-after/before, --indexed-after/before
    • Supports flexible time formats (ISO 8601, relative like "7d", natural like "yesterday")
  • Stats Command File Type Breakdown: New --file-types flag shows detailed file type analysis
    • File type distribution with counts and sizes
    • Top file extensions per type
    • Top MIME types in the system
  • Intelligent File Type Detection: Uses magic_numbers.json as single source of truth
    • Runtime detection of data files across multiple installation paths
    • Graceful fallback to built-in patterns when JSON not found

Changed

  • File Type Classification: More accurate detection using magic numbers vs just extensions
  • Data File Installation: magic_numbers.json now properly installed to system paths

[0.1.1] - 2025-08-13

Fixed

  • Corrected Conan preset names (use conan-release instead of build-conan-release)
  • Fixed C++20 standard requirement in Conan profiles
  • Removed overly strict compiler warnings that broke dependency builds
  • Fixed gcovr regex patterns for coverage reports
  • Removed -Wold-style-cast, -Wconversion, -Wsign-conversion, and -Woverloaded-virtual
  • Keeps essential warnings while allowing third-party code to compile cleanly

Changed

  • Build Instructions: Standardized on conan-release preset across all platforms
    • Simplified build commands in README and documentation
    • Consistent build directory structure (build/conan-release)

[0.1.0] - 2025-08-12

Added

  • List Command Enhancement: Added --recent N flag to show N most recent documents
    • Filters to the N most recent documents before applying other sorting
    • Works with all existing sort options (name, size, date, hash)
    • Useful for quickly viewing recently added content
  • PDF Text Extraction: Full PDF text extraction support using PDFium library
    • Extract text from all PDF pages with proper UTF-16 to UTF-8 conversion
    • Extract PDF metadata (title, author, subject, keywords, creation date)
    • Support for searching within PDFs with context lines
    • Page-by-page extraction with configurable options
    • Automatic section detection for academic papers
  • Metadata Update Command: New update command for modifying document metadata
    • Update metadata by document hash or name
    • Support for multiple key-value pairs in single command
    • Enables task tracking and status management workflows
    • Works with both file and stdin documents
  • Task Tracking System: Comprehensive benchmark and test enhancement tracking
    • PBI documentation structure for systematic improvement
    • Task status tracking via metadata updates
    • Progress monitoring capabilities
  • KG Hybrid Scoring (default): Hybrid search integrates Keyword + Vector + Knowledge Graph
    • Enabled by default in both CLI and MCP via a shared SearchEngineBuilder
    • Fails open to metadata/keyword-only when KG is unavailable

Fixed

  • Reference Counter Transaction IDs: Fixed UNIQUE constraint violation in ref_transactions
    • Removed manual transaction ID management
    • Now uses SQLite AUTOINCREMENT for guaranteed unique IDs
    • Prevents "UNIQUE constraint failed" errors when multiple ReferenceCounter instances exist
  • Duplicate Document Handling: Fixed metadata constraint errors when re-adding existing documents
    • Detects high deduplication ratio (≥99%) and updates existing metadata instead of inserting
    • Properly handles both new and existing documents
    • Updates indexed timestamp for existing documents
  • Name Resolution for Commands: Fixed document lookup by name for stdin documents
    • get, cat, and update commands now properly find stdin documents by name
    • Uses search functionality as fallback when path-based search fails
    • Supports both file-based and stdin documents uniformly
    • Automatic platform detection (mac-arm64, mac-x64, linux-x64, linux-arm64, win-x64)
    • FetchContent integration for non-Conan builds
    • Conditional compilation with YAMS_HAS_PDF_SUPPORT flag
    • Installs libpdfium.dylib into the install lib directory and sets its install_name to @rpath/libpdfium.dylib
    • Patches installed executables to reference @rpath/libpdfium.dylib and adds rpath @loader_path/../lib
    • Eliminates dyld errors like "Library not loaded: ./libpdfium.dylib"
    • Created header file for UpdateCommand class
    • Fixed compilation errors in update_command.cpp
    • Resolved conflicts between Conan and FetchContent for Google Benchmark
    • Fixed imgui.h include path for browse_command.cpp
    • Fixed compilation issues with performance benchmarks

Changed

  • Extraction Module: Enhanced to support multiple file formats
    • Modular extractor registration system
    • Extensible architecture for future format support
  • Logging Verbosity: Storage operations now use debug level instead of info
    • "Stored file" messages only appear in verbose/debug mode
    • Cleaner output for normal operations

Known Issues

  • Performance Benchmarks: Storage benchmarks cause segmentation fault after Rabin chunking tests
    • SHA256 benchmarks work correctly (2.59 GB/s for large files)
    • Rabin chunking benchmarks work correctly (178 MB/s)
    • Storage fixture initialization causes crash - to be fixed in future update

[0.0.6] - 2025-08-11

Added

  • TUI Browser Improvements

Fixed

  • Fixed unique_ptr copy errors in query parser benchmarks
  • Resolved compression error handler warnings on Ubuntu 22.04
  • Improved error handling and warning cleanup for better compiler compatibility
  • Removed hardcoded widget dimensions that broke small terminal displays
  • Fixed non-functional scrolling in document lists
  • Improved loading state management and race condition handling
  • Enhanced document preview formatting and metadata display

[0.0.5] - 2025-08-11

Added

  • Build System Enhancements:
    • Automatic std::format detection with fallback to fmt library for older compilers
    • Improved ncurses detection for Linux builds with clear error messages
    • BUILD-GCC.md documentation for building with GNU toolchain
  • Search Improvements:
    • Word-by-word processing for multi-word queries (e.g., "chain event ingestion" searches each word independently)
    • Minimum-should-match scoring (50% of query words must match by default)
    • Intelligent result aggregation with boost for documents matching all query words
    • Edit distance-based scoring (closer matches score higher)
    • Automatic fallback to fuzzy search when FTS5 fails
    • Hash search capability: Search documents by SHA256 hash (full or partial, minimum 8 characters)
    • Verbosity control: Concise output by default, detailed output with --verbose flag
    • Auto-detection of hash format in queries (8-64 hexadecimal characters automatically trigger hash search)
  • MCP Server Enhancements:
    • Updated to use metadata repository path with all v0.0.5 search improvements
    • Added fuzzy search support to MCP server tools with configurable similarity threshold
    • Enhanced search_documents tool with fuzzy and similarity parameters

Fixed

  • Proper handling of hyphens in queries like "PBI-6", "task-4", "feature-123"
  • Special characters (@, #, ?, :, /, , [], {}, ()) no longer cause SQL errors
  • Advanced FTS5 operators (AND, OR, NOT, NEAR) still available for power users
  • Fuzzy search matching: Completely rewrote trigram similarity calculation
  • CI/CD Pipeline:
    • Added install step verification to ensure artifacts are created
    • Added libncurses-dev to Ubuntu dependencies
    • Enabled Ubuntu traditional (non-Conan) builds in CI matrix

Changed

  • Search indexing strategy: Enhanced to support both single and multi-word queries effectively
    • Documents now indexed at word level in addition to full content
    • Keywords extracted more comprehensively with 2-word phrases
    • Improved tokenization with punctuation handling
  • Error handling: FTS5 failures now gracefully fall back to fuzzy search instead of returning errors

[0.0.4] - 2025-08-11

Added

  • Directory-based workflows with collections and snapshots for multi-folder ingestion
    • add --collection <name>: Add documents to a named collection for organization
    • add --snapshot-id <id> --snapshot-label <label>: Add documents to a snapshot for point-in-time grouping
    • add --recursive: Recursively add files from directories
    • restore --collection <name>: Restore all documents from a specific collection
    • restore --snapshot-id <id>: Restore all documents from a specific snapshot
    • restore --layout <template>: Flexible output patterns like {collection}/{path} for restore operations
  • MCP Server Tools for directory operations with full CLI parity
    • add_directory: Add directory contents with collection/snapshot support
    • restore_collection: Restore documents from a collection to filesystem
    • restore_snapshot: Restore documents from a snapshot to filesystem
    • list_collections: List available collections
    • list_snapshots: List available snapshots
  • CLI verbosity control: All CLI commands now have concise output by default
    • Use --verbose flag for detailed JSON metadata output
    • Reduces context window usage while maintaining functionality
  • MCP Server enabled by default in all builds for integrated AI tool support

Changed

  • Database schema enhanced with collections and snapshots metadata (migration v6)
    • New indexes for efficient collection and snapshot queries
    • Metadata tables support collection, snapshot_id, and snapshot_label fields
  • CLI output standardized to be concise by default, verbose on request
  • Build system updated to enable MCP server by default in Conan builds

Fixed

  • Version consistency: MCP server now uses same version system as CLI (was hardcoded "1.0.0")
  • ImTUI integration: Resolved ncurses symbol versioning conflicts using ExternalProject_Add
  • FTS5 support: Enabled SQLite full-text search in Conan configuration
  • Conan 2.0 compatibility: Fixed all C++20 build issues with external dependencies
  • Test suite improvements: Comprehensive fixes for CI/CD reliability
    • Fixed GMock header compilation errors in MCP tests (missing GTest::gmock dependency)
    • Fixed SlidingWindowChunker infinite loop caused by unsigned integer underflow
    • Updated chunker test expectations to use realistic tolerances for word boundary preservation
    • Fixed metadata repository tests API compatibility (ConnectionPool vs Database constructor)
    • Resolved performance-dependent test failures in Rabin chunker (reduced expectations from 200MB/s to 100MB/s)

Developer Notes

  • Database migration system handles schema updates automatically
  • All directory operations are scoped to prevent accidental mass operations
  • MCP server integration provides seamless AI tool access to YAMS functionality
  • Build system now supports both CLI and MCP server components by default

[0.0.3] - 2025-08-11

Added

  • MCP Tools: New Model Context Protocol tools supporting v0.0.2 CLI enhancements
    • delete_by_name: Delete documents by name, multiple names, or glob patterns with dry-run support
    • get_by_name: Retrieve document content by name instead of hash
    • cat_document: Display document content directly (similar to CLI cat command)
    • list_documents: List stored documents with filtering by pattern and tags
  • TUI Browser migrated to ImTUI: Complete rewrite from FTXUI to ImTUI for better compatibility
    • Full-screen document viewer with hex mode toggle (Enter to open, x to toggle)
    • External pager integration (o key) with proper terminal suspend/resume
    • Preview pane scrolling when focused (Tab to switch columns, j/k to scroll)
    • Extended command mode (:hex, :open, :refresh, :help, :q)

Changed

  • Browse command refactored to use modular TUI components and improved UX

Fixed

  • Safer preview of binary content and better CRLF handling
  • Build System: Resolved multiple compilation issues preventing CI/CD success
    • Fixed switch statement scope error in posix_storage.cpp by adding proper braces
    • Added missing #include <sys/resource.h> for POSIX resource limits
    • Added missing #include <cmath> in embedding tests for std::isfinite and std::sqrt
    • Added missing #include <algorithm> for std::all_of in manifest manager
    • Fixed designated initializer field ordering in compressed_storage_engine.cpp
    • Fixed type conversion from std::string_view to Hash type
    • Replaced std::ranges::all_of with std::all_of for broader compiler compatibility

Developer Notes

  • All compilation fixes tested locally with successful build completion
  • Prepared for GitHub Actions CI/CD pipeline success
  • Build now completes without errors on macOS (AppleClang 17.0.0)

[0.0.2] - 2025-08-11

Added

  • Name-based operations: All major commands now support name-based access
    • delete --name <name>: Delete document by name
    • delete --names <name1,name2>: Delete multiple documents by names
    • delete --pattern <pattern>: Delete documents matching glob pattern (e.g., *.log)
    • get --name <name>: Retrieve document by name
    • cat command: New command for displaying content directly to stdout
    • cat <hash> or cat --name <name>: Output content for piping and viewing
  • Command aliases: Unix-style command aliases for better ergonomics
    • rm as alias for delete
    • ls as alias for list
  • Delete command enhancements:
    • --dry-run flag: Preview what would be deleted without actually deleting
    • --verbose flag: Show detailed deletion information
    • Bulk deletion support with pattern matching
    • Improved error handling for ambiguous names
  • Browse command improvements:
    • Command mode with : or p key (vi-like commands)
    • Preview pane now shows actual content from metadata repository
    • Binary content detection for preview
    • Better search functionality with fuzzy/exact toggle
  • Documentation:
    • Added MCP tools documentation (docs/api/mcp_tools.md)
    • Updated CLI documentation with new features
    • Added this CHANGELOG.md for tracking changes

Fixed

  • CI/CD: Fixed compilation errors by adding missing includes in compressor_interface.h
    • Added #include <functional>
    • Added #include <unordered_map>
  • Browse command: Fixed preview loading for documents with metadata content

Changed

  • Get command: Now supports both hash and name-based retrieval
  • Delete command: Refactored to use CLI11 option groups for better argument handling
  • Browse command: Enhanced with command mode and better content preview

Developer Notes

  • Integration tests created for delete command functionality
  • Improved CLI command structure using option groups
  • Better separation of concerns between viewing (cat) and downloading (get) operations

[0.0.1] - 2025-08-11

Added

  • Initial release of YAMS
  • Core content-addressable storage functionality
  • MCP (Model Context Protocol) server support
  • Basic CLI commands: init, add, get, delete, list, search
  • Metadata repository with SQLite backend
  • Compression support with multiple algorithms
  • Deduplication at chunk level
  • TUI browser interface
  • Authentication and key management
  • Configuration management
  • Stats and monitoring capabilities

Note: This project follows semantic versioning. Given the 0.x.y version, the API is still considered unstable and may change between minor versions.