build(android): add auto-bump signed aab release script

apps/android/README.md

@@ -30,8 +30,12 @@ cd apps/android
 ./gradlew :app:assembleDebug
 ./gradlew :app:installDebug
 ./gradlew :app:testDebugUnitTest
+cd ../..
+bun run android:bundle:release
 ```
 
+`bun run android:bundle:release` auto-bumps Android `versionName`/`versionCode` in `apps/android/app/build.gradle.kts`, then builds a signed release `.aab`.
+
 ## Kotlin Lint + Format
 
 ```bash

apps/android/app/build.gradle.kts

@@ -63,8 +63,8 @@ android {
         applicationId = "ai.openclaw.app"
         minSdk = 31
         targetSdk = 36
-        versionCode = 202603130
-        versionName = "2026.3.13"
+        versionCode = 2026031400
+        versionName = "2026.3.14"
         ndk {
             // Support all major ABIs — native libs are tiny (~47 KB per ABI)
             abiFilters += listOf("armeabi-v7a", "arm64-v8a", "x86", "x86_64")

apps/android/scripts/build-release-aab.ts

@@ -0,0 +1,125 @@
+#!/usr/bin/env bun
+
+import { $ } from "bun";
+import { dirname, join } from "node:path";
+import { fileURLToPath } from "node:url";
+
+const scriptDir = dirname(fileURLToPath(import.meta.url));
+const androidDir = join(scriptDir, "..");
+const buildGradlePath = join(androidDir, "app", "build.gradle.kts");
+const bundlePath = join(androidDir, "app", "build", "outputs", "bundle", "release", "app-release.aab");
+
+type VersionState = {
+  versionName: string;
+  versionCode: number;
+};
+
+type ParsedVersionMatches = {
+  versionNameMatch: RegExpMatchArray;
+  versionCodeMatch: RegExpMatchArray;
+};
+
+function formatVersionName(date: Date): string {
+  const year = date.getFullYear();
+  const month = date.getMonth() + 1;
+  const day = date.getDate();
+  return `${year}.${month}.${day}`;
+}
+
+function formatVersionCodePrefix(date: Date): string {
+  const year = date.getFullYear().toString();
+  const month = (date.getMonth() + 1).toString().padStart(2, "0");
+  const day = date.getDate().toString().padStart(2, "0");
+  return `${year}${month}${day}`;
+}
+
+function parseVersionMatches(buildGradleText: string): ParsedVersionMatches {
+  const versionCodeMatch = buildGradleText.match(/versionCode = (\d+)/);
+  const versionNameMatch = buildGradleText.match(/versionName = "([^"]+)"/);
+  if (!versionCodeMatch || !versionNameMatch) {
+    throw new Error(`Couldn't parse versionName/versionCode from ${buildGradlePath}`);
+  }
+  return { versionCodeMatch, versionNameMatch };
+}
+
+function resolveNextVersionCode(currentVersionCode: number, todayPrefix: string): number {
+  const currentRaw = currentVersionCode.toString();
+  let nextSuffix = 0;
+
+  if (currentRaw.startsWith(todayPrefix)) {
+    const suffixRaw = currentRaw.slice(todayPrefix.length);
+    nextSuffix = (suffixRaw ? Number.parseInt(suffixRaw, 10) : 0) + 1;
+  }
+
+  if (!Number.isInteger(nextSuffix) || nextSuffix < 0 || nextSuffix > 99) {
+    throw new Error(
+      `Can't auto-bump Android versionCode for ${todayPrefix}: next suffix ${nextSuffix} is invalid`,
+    );
+  }
+
+  return Number.parseInt(`${todayPrefix}${nextSuffix.toString().padStart(2, "0")}`, 10);
+}
+
+function resolveNextVersion(buildGradleText: string, date: Date): VersionState {
+  const { versionCodeMatch } = parseVersionMatches(buildGradleText);
+  const currentVersionCode = Number.parseInt(versionCodeMatch[1] ?? "", 10);
+  if (!Number.isInteger(currentVersionCode)) {
+    throw new Error(`Invalid Android versionCode in ${buildGradlePath}`);
+  }
+
+  const versionName = formatVersionName(date);
+  const versionCode = resolveNextVersionCode(currentVersionCode, formatVersionCodePrefix(date));
+  return { versionName, versionCode };
+}
+
+function updateBuildGradleVersions(buildGradleText: string, nextVersion: VersionState): string {
+  return buildGradleText
+    .replace(/versionCode = \d+/, `versionCode = ${nextVersion.versionCode}`)
+    .replace(/versionName = "[^"]+"/, `versionName = "${nextVersion.versionName}"`);
+}
+
+async function sha256Hex(path: string): Promise<string> {
+  const buffer = await Bun.file(path).arrayBuffer();
+  const digest = await crypto.subtle.digest("SHA-256", buffer);
+  return Array.from(new Uint8Array(digest), (byte) => byte.toString(16).padStart(2, "0")).join("");
+}
+
+async function verifyBundleSignature(path: string): Promise<void> {
+  await $`jarsigner -verify ${path}`.quiet();
+}
+
+async function main() {
+  const buildGradleFile = Bun.file(buildGradlePath);
+  const originalText = await buildGradleFile.text();
+  const nextVersion = resolveNextVersion(originalText, new Date());
+  const updatedText = updateBuildGradleVersions(originalText, nextVersion);
+
+  if (updatedText === originalText) {
+    throw new Error("Android version bump produced no change");
+  }
+
+  console.log(`Android versionName -> ${nextVersion.versionName}`);
+  console.log(`Android versionCode -> ${nextVersion.versionCode}`);
+
+  await Bun.write(buildGradlePath, updatedText);
+
+  try {
+    await $`./gradlew :app:bundleRelease`.cwd(androidDir);
+  } catch (error) {
+    await Bun.write(buildGradlePath, originalText);
+    throw error;
+  }
+
+  const bundleFile = Bun.file(bundlePath);
+  if (!(await bundleFile.exists())) {
+    throw new Error(`Signed bundle missing at ${bundlePath}`);
+  }
+
+  await verifyBundleSignature(bundlePath);
+  const hash = await sha256Hex(bundlePath);
+
+  console.log(`Signed AAB: ${bundlePath}`);
+  console.log(`SHA-256: ${hash}`);
+}
+
+await main();

package.json

@@ -216,6 +216,7 @@
   },
   "scripts": {
     "android:assemble": "cd apps/android && ./gradlew :app:assembleDebug",
+    "android:bundle:release": "bun apps/android/scripts/build-release-aab.ts",
     "android:format": "cd apps/android && ./gradlew :app:ktlintFormat :benchmark:ktlintFormat",
     "android:install": "cd apps/android && ./gradlew :app:installDebug",
     "android:lint": "cd apps/android && ./gradlew :app:ktlintCheck :benchmark:ktlintCheck",