Add Cursor Cloud specific instructions to AGENTS.md (#1659)

Add development environment setup documentation for Cloud Agent VMs,
including Android SDK configuration, key Gradle commands, and gotchas
for headless development without an emulator.

Co-authored-by: Cursor Agent <cursoragent@cursor.com>
Co-authored-by: Cuong-Tran <cuong-tran@users.noreply.github.com>
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Cuong-Tran 2026-05-23 00:31:09 +07:00 committed by GitHub
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@ -129,3 +129,38 @@ Package roots: `eu.kanade.tachiyomi.*` (legacy UI), `tachiyomi.*` (domain/data),
- `app/src/main/java/eu/kanade/domain/DomainModule.kt` domain interactors
- `buildSrc/.../BuildConfig.kt`, `AndroidConfig.kt` flags, SDK versions
- `app/build.gradle.kts`, `settings.gradle.kts`
---
## Cursor Cloud specific instructions
### Environment
The VM update script installs the Android SDK (platform 36, build-tools 35.0.1, platform-tools, cmdline-tools) into `/opt/android-sdk` and writes `local.properties` with `sdk.dir`. JDK 21 is pre-installed and works fine for compiling to JVM target 17. `ANDROID_HOME`, `JAVA_HOME`, and `PATH` are set in `~/.bashrc`.
### Running key commands
All Gradle commands require the environment variables set above. Export them before invoking `./gradlew` if running in a fresh shell:
```bash
export ANDROID_HOME=/opt/android-sdk
export JAVA_HOME=/usr/lib/jvm/java-21-openjdk-amd64
```
| Task | Command |
|------|---------|
| Format check (lint) | `./gradlew spotlessCheck` |
| Auto-fix formatting | `./gradlew spotlessApply` |
| Debug APK build | `./gradlew assembleDebug` |
| Preview APK build (CI) | `./gradlew assemblePreview` |
| Unit tests (CI) | `./gradlew testReleaseUnitTest` |
| All module tests | `./gradlew test` |
| SQLDelight codegen | `./gradlew :data:generateSqlDelightInterface` |
### Gotchas
- First Gradle build downloads ~1 GB of dependencies; subsequent builds use the Gradle cache and are much faster.
- `local.properties` is `.gitignore`d — it must be recreated if missing (the update script handles this).
- No Android emulator or device is available on the Cloud VM, so `installDebug` will fail. Build verification is done via `assembleDebug`.
- `google-services.json` and `client_secrets.json` are not present (CI secrets); builds without `-Pinclude-telemetry` succeed without them.
- Gradle daemon may use significant memory (`-Xmx4g` in `gradle.properties`). If OOM occurs, kill and restart the daemon with `./gradlew --stop`.