From 1f848c4878d821c53309254fdf525ae1e05ae8b3 Mon Sep 17 00:00:00 2001
From: Jeroen Schweitzer <jpmschweitzer@gmail.com>
Date: Wed, 24 Dec 2025 17:32:17 +0100
Subject: [PATCH] release: v1.4.2 - volatile cache system
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Phase 2 of Memory Management System complete.
See CHANGELOG.md for details.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
---
 CHANGELOG.md   | 27 +++++++++++++++++++++++++++
 pyproject.toml |  2 +-
 2 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index d0b7e75..adbbd7f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,33 @@ All notable changes to Library Desk will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.4.2] - 2025-12-24
+
+### Added
+
+- **Volatile Cache System** - Ephemeral data storage with TTL
+  - `GET /volatile/{namespace}/{key}` - Retrieve cached record
+  - `POST /volatile/{namespace}/{key}` - Store/update record with TTL
+  - `DELETE /volatile/{namespace}/{key}` - Remove record
+  - `GET /volatile/{namespace}` - List keys in namespace
+  - `DELETE /volatile/{namespace}` - Clear all records in namespace
+  - `GET /volatile/stats` - Cache statistics by namespace
+  - `GET /volatile/scheduled` - Records needing refresh (for scheduler)
+  - `GET /volatile/namespaces` - List available namespaces with default TTLs
+- **Volatile Namespaces** - Predefined categories with appropriate TTLs:
+  - `weather` (30min) - Weather conditions and forecasts
+  - `news` (1hr) - Headlines and breaking news
+  - `financial` (5min) - Stock prices, exchange rates
+  - `transit` (5min) - Train/bus schedules, delays
+  - `traffic` (10min) - Commute times, road conditions
+  - `air_quality` (1hr) - Pollution, pollen counts
+  - `sports` (1min) - Live scores, matches
+  - `social` (10min) - Social notifications
+  - `system` (1min) - Service health status
+  - `context` (1hr) - Session state
+  - `custom` (1hr) - User-defined data
+- **Refresh Schedule Support** - Optional cron expressions for scheduler integration
+
 ## [1.4.1] - 2025-12-24
 
 ### Fixed
diff --git a/pyproject.toml b/pyproject.toml
index 9bcd80b..780a8eb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "library-desk"
-version = "1.4.1"
+version = "1.4.2"
 description = "Coordination service for The Library system - HybridRAG queries, document ingestion, entity extraction, and knowledge consolidation"
 readme = "README.md"
 requires-python = ">=3.12"