From 07ac70e83515f2fb6e1afab6eb06391522acabd4 Mon Sep 17 00:00:00 2001
From: Kai Chappell <git@kschappell.com>
Date: Tue, 3 Feb 2026 18:10:19 +0000
Subject: [PATCH] docs(changelog): add benchmark entries

Document benchmark module features in changelog.
---
 changelog.md | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/changelog.md b/changelog.md
index 9ad82b2..7b82df6 100644
--- a/changelog.md
+++ b/changelog.md
@@ -36,3 +36,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `text_validation` marker for filtering validation tests
 - Pytest fixtures: `text_validator` factory and `validation_context` helper
 - Detailed failure messages with text preview and check diagnostics
+- Benchmark module for quality tracking and regression detection
+- `Benchmark` class for evaluating text quality over time with metric storage
+- `BenchmarkRun` and `RegressionReport` data models for tracking runs
+- SQLite storage backend with WAL mode for concurrent access
+- Rolling window baseline computation for historical comparison
+- `check_regression()` for statistical comparison against baseline
+- `assert_no_regression()` raises `RegressionDetectedError` for CI integration
+- Customisable tolerance threshold and window size for regression detection
+- Metadata support for tracking git SHA, model versions, etc.