chore(release): bump version to v4.0 and update changelog

Covers all work since v3.1: image manager, boot automount,
one-shot pipeline, visual refresh, daemon hardening, Magisk
sepolicy compat, and CI pipeline.

Author: Enginex0

CHANGELOG.md

@@ -1,3 +1,20 @@
+## v4.0
+
+- One-shot create, format, and mount pipeline for streamlined disk setup
+- Image manager with batch select-to-delete and clear unmounted
+- Auto-mount saved images at boot without opening the app
+- Visual refresh: rotating backgrounds, animated cards, modernized sheets
+- Auto-increment disk names with creation timestamps
+- Module banner and action script for root manager integration
+- Batch image operations and improved image lifecycle management
+- Bypass FUSE for configfs lun writes on Android 11+ (direct sysfs path)
+- Merged SELinux policy into sepolicy.rule for Magisk compatibility
+- Hardened bootloop guard with retry loops and resource leak fixes
+- Socket read timeout and connection reliability for daemon client
+- Fixed device removal index mismatch and coroutine lifecycle
+- Escaped single quotes in automount config paths
+- CI pipeline with auto-build, signing, and release publishing
+
 ## v3.1
 
 - Full app and installer localization with 32 languages

module/module.prop

@@ -1,7 +1,7 @@
 id=usbmassstorage
 name=USB Mass Storage
-version=v3.1
-versionCode=310
+version=v4.0
+versionCode=400
 author=Enginex0
 description=💾 USB Mass Storage gadget controller · Turn your phone into a USB drive · KernelSU / Magisk / APatch
 banner=banner.png