Add gzip-aware crash upload and OTA staging build/deploy tooling.

This restores the interrupted stash work on a dedicated feature branch, including backend decoding support, Dockerized build scripts, and staging channel artifacts for end-to-end OTA validation.

Co-authored-by: Cursor <cursoragent@cursor.com>

scripts/deploy-ota-staging.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+# Rsync ./out/ota/v0 to a remote web root (staging OTA tree).
+#
+# Usage:
+#   OTA_DEPLOY_TARGET=foxx@10.7.16.128:/var/www/localhost/htdocs/ \
+#     ./scripts/deploy-ota-staging.sh
+#
+# Dry run:
+#   OTA_DEPLOY_DRY_RUN=1 ./scripts/deploy-ota-staging.sh
+set -euo pipefail
+
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+SRC="${ROOT}/out/ota/v0"
+TARGET="${OTA_DEPLOY_TARGET:?Set OTA_DEPLOY_TARGET=user@host:/path/to/web/root}"
+
+if [[ ! -d "$SRC" ]]; then
+  echo "Missing ${SRC} — run ./scripts/docker-build-ota.sh first" >&2
+  exit 1
+fi
+
+RSYNC_OPTS=(-av --delete)
+if [[ "${OTA_DEPLOY_DRY_RUN:-}" == "1" ]]; then
+  RSYNC_OPTS+=(--dry-run -v)
+fi
+
+echo "Sync ${SRC}/ -> ${TARGET}/v0/"
+rsync "${RSYNC_OPTS[@]}" "${SRC}/" "${TARGET%/}/v0/"
+
+echo "Channel pointer (after deploy):"
+if [[ -f "${ROOT}/out/BUILD_INFO.json" ]]; then
+  grep channelUrl "${ROOT}/out/BUILD_INFO.json" || true
+fi

scripts/docker-build-ota.sh

@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+# Host wrapper: build androidcast-ci image and run build + OTA staging publish.
+#
+# Usage:
+#   export OTA_BASE_URL=https://apps.f0xx.org
+#   ./scripts/docker-build-ota.sh
+#
+# Artifacts: ./out/android_cast-latest.apk  ./out/ota/v0/ota/...
+#
+# Deploy to BE (example — adjust host/path):
+#   rsync -av ./out/ota/v0/ user@be:/var/www/localhost/htdocs/v0/
+set -euo pipefail
+
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+IMAGE="${ANDROIDCAST_CI_IMAGE:-androidcast-ci:latest}"
+
+docker build -t "$IMAGE" -f "${ROOT}/Dockerfile" "${ROOT}"
+
+mkdir -p "${ROOT}/out"
+
+docker run --rm \
+  -v "${ROOT}:/workspace" \
+  -w /workspace \
+  -e OTA_BASE_URL="${OTA_BASE_URL:-}" \
+  -e OTA_CHANNEL="${OTA_CHANNEL:-staging}" \
+  -e GRADLE_TASK="${GRADLE_TASK:-assembleDebug}" \
+  -e SKIP_NATIVE="${SKIP_NATIVE:-0}" \
+  -e SKIP_TESTS="${SKIP_TESTS:-0}" \
+  -e RELEASE_NOTES="${RELEASE_NOTES:-}" \
+  -e OUT_DIR=/workspace/out \
+  "$IMAGE" \
+  ./scripts/ci-build-and-publish-ota.sh
+
+echo ""
+echo "Done. APK: ${ROOT}/out/android_cast-latest.apk"
+if [[ -f "${ROOT}/out/BUILD_INFO.json" ]]; then
+  echo "OTA channel URL:"
+  sed -n 's/.*"channelUrl": "\([^"]*\)".*/\1/p' "${ROOT}/out/BUILD_INFO.json" | head -1
+fi

scripts/generate-ota-v0.sh

@@ -4,9 +4,12 @@
 # Usage:
 #   ./scripts/generate-ota-v0.sh path/to/app-release.apk https://host[:port] [out-dir] [channel]
 #
+#   channel — JSON file under v0/ota/channel/ (default: stable). Use staging for QA.
+#   RELEASE_NOTES — optional env, embedded in manifest.
+#
 #   channel — JSON under v0/ota/channel/ (stable, staging, dev, nightly, or custom)
 # Writes under out-dir (default: ./ota-publish):
-#   v0/ota/channel/stable.json
+#   v0/ota/channel/<channel>.json
 #   v0/ota/00/00.MM/00.MM.mm/android_cast_00.MM.mm.BB_manifest.json
 #   v0/ota/00/00.MM/00.MM.mm/android_cast_00.MM.mm.BB_sign.json
 #   v0/ota/00/00.MM/00.MM.mm/android_cast_00.MM.mm.BB.otapkg
@@ -17,6 +20,19 @@ apk="${1:?APK path required}"
 host_base="${2:?Base URL required, e.g. https://192.168.1.1:8080}"
 out_dir="${3:-ota-publish}"
 channel="${4:-stable}"
+release_notes="${RELEASE_NOTES:-}"
+json_notes() {
+  if command -v jq >/dev/null 2>&1; then
+    jq -n --arg n "$release_notes" '$n'
+  else
+    local esc="${release_notes//\\/\\\\}"
+    esc="${esc//\"/\\\"}"
+    esc="${esc//$'\n'/\\n}"
+    esc="${esc//$'\r'/}"
+    printf '"%s"' "$esc"
+  fi
+}
+NOTES_JSON="$(json_notes)"
 
 if [[ ! -f "$apk" ]]; then
   echo "APK not found: $apk" >&2
@@ -84,7 +100,7 @@ cat >"${rel_dir}/${manifest_name}" <<EOF
   "signUrl": "${sign_url}",
   "sizeBytes": ${apk_size},
   "mandatory": false,
-  "releaseNotes": ""
+  "releaseNotes": ${NOTES_JSON}
 }
 EOF
 
@@ -113,7 +129,7 @@ cat >"${rel_dir}/${manifest_name}" <<EOF
   "bundleSha256": "${bundle_sha256}",
   "bundleSizeBytes": ${bundle_size},
   "mandatory": false,
-  "releaseNotes": ""
+  "releaseNotes": ${NOTES_JSON}
 }
 EOF