chore: release v1.9.1

Ships the Wiki.js change listener supervision fix. Patch release: no API
change, no migration — the listener now reconnects after a database restart
instead of going silently deaf, and /health reports its subscription state.

Co-Authored-By: Claude <noreply@anthropic.com>

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.9.1] - 2026-08-08
+
 ### Fixed
 
 - The Wiki.js change listener now survives a database restart. It held a single

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "library-desk"
-version = "1.9.0"
+version = "1.9.1"
 description = "Coordination service for The Library system - HybridRAG queries, document ingestion, entity extraction, and knowledge consolidation"
 readme = "README.md"
 requires-python = ">=3.12"