39 lines
2.2 KiB
Markdown
39 lines
2.2 KiB
Markdown
# Changelog
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All notable changes to Veritext will be documented in this file.
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The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
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and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
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## [Unreleased]
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### Added
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- Project scaffold with pyproject.toml and development tooling
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- Core exception hierarchy (`VeritextError` and subclasses)
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- Core types: `ValidationContext`, `CheckResult`, `ValidationResult`
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- Word tokeniser with Unicode normalisation support
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- Configuration module with pydantic-settings
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- Structured logging with structlog
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- Metrics module with `Metric` protocol, `AggregateStats`, and `BatchResult` types
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- BLEU metric implementation (BLEU-1 through BLEU-4 with brevity penalty)
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- Lexical similarity metric (Jaccard similarity and token overlap)
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- ROUGE metric (ROUGE-1, ROUGE-2, ROUGE-L with precision/recall/F-measure)
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- Flesch-Kincaid readability metrics (grade level and reading ease)
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- Batch scoring with aggregate statistics for all metrics
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- Validators module with `Check` protocol for validation checks
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- Metric-based validators: `BleuValidator`, `RougeValidator`, `LexicalValidator`
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- Constraint validators: `LengthValidator`, `ReadabilityValidator`, `ContainsValidator`, `ExcludesValidator`
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- Composite validators: `AllOf` (all checks must pass), `AnyOf` (any check must pass)
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- Factory functions for clean validator API (`bleu()`, `rouge()`, `lexical()`, `length()`, `readability()`, `contains()`, `excludes()`, `all_of()`, `any_of()`)
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- Semantic similarity module with embedding-based text comparison (requires `veritext[semantic]` extra)
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- `SemanticSimilarity` metric using sentence-transformers for semantic relatedness
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- `SemanticValidator` for threshold-based semantic similarity validation
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- `semantic()` factory function for creating semantic validators
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- Embedding caching for performance optimisation in repeated comparisons
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- Native pytest plugin for CI/CD integration (entry point: `pytest11`)
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- `validate_text()` assertion function for expressive test assertions
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- `text_validation` marker for filtering validation tests
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- Pytest fixtures: `text_validator` factory and `validation_context` helper
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- Detailed failure messages with text preview and check diagnostics
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