Prepare isolated Android Edge Client 4.410.160 update channel

edge-client/android/README.md

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+# Edge Client Android channel
+
+This channel is for `com.magicby.broadcaster.client`, ARM64 Qt Edge Client.
+It is independent of the mobile IOMATEX `latest.json` at the repository root.
+
+Public manifest: https://git.it-screen.com/An-J/DOWNLOAD_IOMATEX_APP/raw/branch/main/edge-client/android/latest.json
+
+The client checks `build_number` against its installed Android versionCode;
+only a higher value is eligible. Required manifest fields: package_name,
+build_number, architecture (arm64-v8a), min_sdk, apk_url (HTTPS raw URL in this
+repository), sha256, size_bytes. `enabled: false` pauses new downloads. This
+cannot revoke an APK already handed to Android installation.
+
+All published APKs here retain the existing Edge test-fleet certificate SHA256
+071f8fc7b4324eb9584154810c203f9fad9b0d06409b5606e2f18eb8084fa103.
+This is NOT the mobile IOMATEX production key or the legacy itscreen_21.apk key.
+The client requires equality with its installed signing certificate.
+
+## Release procedure
+
+1. Increase the Edge Client versionName/versionCode and run regression tests.
+2. Build ARM64 APK and sign using the retained Edge key outside Git.
+3. Run It-screenClient/scripts/prepare-android-git-release.py with the signed APK,
+   this repository root and Android SDK build-tools paths.
+4. Review APK/version/checksum and commit the new immutable release directory
+   together with edge-client/android/latest.json. Never modify root latest.json.
+5. After authorized push, fetch both raw URLs without credentials and verify
+   size/SHA-256; test upgrade on a device with the matching package/signature.
+6. Rollbacks require another build with a greater versionCode. Keep old releases.
+
+Auto-update can install silently only with working root privileges. Otherwise
+Android presents its installer, which may require user confirmation and install
+permission. Failed automatic installation is not retried in a loop for the same
+version; the user can explicitly retry. Error details are retained in service
+preferences (`update_error`) and Android logs; root output is update-install.log.
+
+The first migration from the old HTTP channel requires installing the new APK
+once. Old binaries do not discover this Git channel by themselves.

edge-client/android/latest.json

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+{
+  "schema_version": 1,
+  "package_name": "com.magicby.broadcaster.client",
+  "version": "4.410.160",
+  "build_number": 4410160,
+  "architecture": "arm64-v8a",
+  "min_sdk": 23,
+  "enabled": true,
+  "apk_url": "https://git.it-screen.com/An-J/DOWNLOAD_IOMATEX_APP/raw/branch/main/edge-client/android/releases/4.410.160-4410160/itscreen-4.410.160-arm64-v8a.apk",
+  "sha256": "aa8a38cc136477325246dfb1f731b112c62f354f1a47c7f9c7dc4f25238e522c",
+  "size_bytes": 25588971,
+  "signer_sha256": "071f8fc7b4324eb9584154810c203f9fad9b0d06409b5606e2f18eb8084fa103",
+  "published_at": "2026-10-14T05:55:09.667878+00:00"
+}

edge-client/android/releases/4.410.160-4410160/itscreen-4.410.160-arm64-v8a.apk.sha256

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+aa8a38cc136477325246dfb1f731b112c62f354f1a47c7f9c7dc4f25238e522c  itscreen-4.410.160-arm64-v8a.apk

edge-client/android/releases/4.410.160-4410160/manifest.json

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+{
+  "schema_version": 1,
+  "package_name": "com.magicby.broadcaster.client",
+  "version": "4.410.160",
+  "build_number": 4410160,
+  "architecture": "arm64-v8a",
+  "min_sdk": 23,
+  "enabled": true,
+  "apk_url": "https://git.it-screen.com/An-J/DOWNLOAD_IOMATEX_APP/raw/branch/main/edge-client/android/releases/4.410.160-4410160/itscreen-4.410.160-arm64-v8a.apk",
+  "sha256": "aa8a38cc136477325246dfb1f731b112c62f354f1a47c7f9c7dc4f25238e522c",
+  "size_bytes": 25588971,
+  "signer_sha256": "071f8fc7b4324eb9584154810c203f9fad9b0d06409b5606e2f18eb8084fa103",
+  "published_at": "2026-10-14T05:55:09.667878+00:00"
+}