orch dockerfile update

dockerfiles/orchestrator.Dockerfile

@@ -1,5 +1,7 @@
 FROM node:25.6.1 AS production
 
+RUN apt-get update && apt-get install -y --no-install-recommends adb && rm -rf /var/lib/apt/lists/*
+
 RUN npm i -g pnpm
 
 WORKDIR /app

memory.log.md

@@ -90,3 +90,8 @@ Update rule:
 - Replaced client-facing `$env/dynamic/public` usage with `$env/static/public` in shared constants and links page code.
 - Fixed production crash path where browser bundle attempted to read runtime `env` from an undefined object during hydration/update.
 - Kept behavior unchanged for `PUBLIC_WS_SCRCPY_SVC_URL` and `PUBLIC_FRONTEND_URL` consumers while making access compile-time safe.
+
+### 13 — Orchestrator Image ADB Runtime Dependency
+
+- Added `adb` installation to `dockerfiles/orchestrator.Dockerfile` so session-prepare no longer fails with `spawn adb ENOENT` in production containers.
+- Kept runtime behavior unchanged otherwise; this is strictly a missing binary/runtime dependency fix.