BuildChain v1.0.0 — on-device Android build toolchain

KernelSU module that turns any rooted phone into a native Android
compiler. Includes aapt2/aapt/aidl/zipalign/dexdump (API 35 static
arm64), BusyBox, platform-tools. Hooks into Termux for Java/Kotlin/
Python/Gradle. bc-build compiles Java/Kotlin to APK or runs Gradle
projects. bc-sign handles debug/release signing. WebUI dashboard
on port 8089. Auto-links tools into system PATH and Termux PATH.

build.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+set -e
+cd "$(dirname "$0")"
+
+ZIP="BuildChain-v1.0.0.zip"
+rm -f "$ZIP"
+
+zip -r9 "$ZIP" \
+    module.prop \
+    customize.sh \
+    post-fs-data.sh \
+    service.sh \
+    uninstall.sh \
+    tools/ \
+    scripts/ \
+    webroot/ \
+    -x "*.git*" "build.sh" "sepolicy/*"
+
+echo "Built: $ZIP ($(du -h "$ZIP" | cut -f1))"