Add build storage and backup scripts

- upload-release.sh: Upload artifacts to Hetzner Storage Box
- create-release.sh: Create Gitea releases with tag and artifacts
- post-deploy.sh: Auto-backup DB and upload after deploy
- setup-storagebox.sh: One-time storage box directory setup

scripts/upload-release.sh

@@ -0,0 +1,52 @@
+#!/bin/bash
+# Upload build artifact to Hetzner Storage Box
+# Usage: upload-release.sh <version> <platform> <file>
+set -euo pipefail
+
+VERSION=${1:-$(date +%Y%m%d_%H%M)}
+PLATFORM=${2:-android}
+FILE=$3
+
+if [ -z "${FILE:-}" ]; then
+    echo "Usage: upload-release.sh <version> <platform> <file>"
+    echo "  version:  e.g. v1.0.0 or 20260329_1400"
+    echo "  platform: android|ios|web"
+    echo "  file:     path to build artifact"
+    exit 1
+fi
+
+if [ ! -f "$FILE" ]; then
+    echo "ERROR: File not found: $FILE"
+    exit 1
+fi
+
+REMOTE="u458763-sub3@u458763.your-storagebox.de"
+PORT=23
+EXT=$(echo "$FILE" | rev | cut -d. -f1 | rev)
+REMOTE_NAME="task-team-${VERSION}.${EXT}"
+
+echo "[$(date +%H:%M:%S)] Uploading $FILE to releases/$PLATFORM/$REMOTE_NAME..."
+
+# Try direct upload first
+if scp -P $PORT -o ConnectTimeout=10 -o BatchMode=yes "$FILE" "$REMOTE:releases/$PLATFORM/$REMOTE_NAME" 2>/dev/null; then
+    echo "[$(date +%H:%M:%S)] OK: Uploaded to releases/$PLATFORM/$REMOTE_NAME"
+    exit 0
+fi
+
+echo "[$(date +%H:%M:%S)] Direct upload failed, trying via mngmt relay..."
+# Fallback: relay through mngmt (46.62.219.52)
+TEMP_FILE="/tmp/release-upload-$$.tmp"
+if scp -P 22770 -o ConnectTimeout=10 "$FILE" root@46.62.219.52:$TEMP_FILE 2>/dev/null; then
+    ssh -p 22770 -o ConnectTimeout=10 root@46.62.219.52 "scp -P 23 -o BatchMode=yes $TEMP_FILE $REMOTE:releases/$PLATFORM/$REMOTE_NAME 2>/dev/null; rm -f $TEMP_FILE"
+    if [ $? -eq 0 ]; then
+        echo "[$(date +%H:%M:%S)] OK: Uploaded via mngmt relay"
+        exit 0
+    fi
+fi
+
+# Last resort: save locally
+LOCAL_ARCHIVE="/opt/task-team/backups/releases"
+mkdir -p "$LOCAL_ARCHIVE/$PLATFORM"
+cp "$FILE" "$LOCAL_ARCHIVE/$PLATFORM/$REMOTE_NAME"
+echo "[$(date +%H:%M:%S)] WARN: Storage box unreachable. Saved locally: $LOCAL_ARCHIVE/$PLATFORM/$REMOTE_NAME"
+exit 1