chore: bump version to 0.4.0

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: blackaxgit

CHANGELOG.md

@@ -5,10 +5,16 @@ All notable changes to CLX will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/),
 and this project adheres to [Semantic Versioning](https://semver.org/).
 
-## [Unreleased]
+## [0.4.0] - 2026-03-27
 
 ### Added
-- `clx health` command: runs 9 concurrent system validators (config, database,
-  sqlite-vec, Ollama service, validator model, embedding model, hook binary,
-  MCP binary, validator prompt) and reports status in colored table or JSON
-  (`--json`). Exits with code 1 if any check fails.
+- `clx trust on/off/status` command for managing auto-allow mode with
+  configurable duration (5m-24h), session scoping, and JSON token metadata
+- `clx install` now auto-installs Ollama via Homebrew, starts the server,
+  and pulls required models automatically
+- `clx health` command: runs 9 concurrent system validators and reports
+  status in colored table or JSON (`--json`)
+- Config fields: `trust_mode_max_duration`, `trust_mode_default_duration`
+
+### Fixed
+- Flaky hook integration tests eliminated with isolated temp directories

Cargo.lock

@@ -8,7 +8,7 @@ members = [
 ]
 
 [workspace.package]
-version = "0.3.0"
+version = "0.4.0"
 edition = "2024"
 license = "MPL-2.0"
 authors = ["CLX Contributors"]