Privacy Policy page + Chat API key fix

- /privacy page for Google Play (GDPR compliant)
- Fixed Anthropic API key mismatch in .env
- Chat returns AI responses again

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

backup.sh

@@ -1,4 +1,5 @@
 #!/bin/bash
+cd /opt/task-team || exit 1
 BACKUP_DIR="/opt/task-team/backups"
 DATE=$(date +%Y%m%d_%H%M)
 PGDUMP="/usr/lib/postgresql/18/bin/pg_dump"
@@ -10,13 +11,13 @@ PGPASSWORD="TaskTeam2026!" $PGDUMP -h 10.10.10.10 -U taskteam -d taskteam -F c -
 if [ $? -eq 0 ]; then
     # Compress
     gzip -f "$BACKUP_DIR/taskteam_$DATE.dump" 2>/dev/null
-    echo "$(date '+%Y-%m-%d %H:%M:%S') OK: taskteam_$DATE.dump.gz"
+    echo "$(date "+%Y-%m-%d %H:%M:%S") OK: taskteam_$DATE.dump.gz"
 else
-    echo "$(date '+%Y-%m-%d %H:%M:%S') FAIL: pg_dump exited with error"
+    echo "$(date "+%Y-%m-%d %H:%M:%S") FAIL: pg_dump exited with error"
 fi
 
-# Keep last 7 daily backups
-find $BACKUP_DIR -name "*.dump.gz" -mtime +7 -delete
-find $BACKUP_DIR -name "*.dump" -mtime +7 -delete
+# Keep last 14 daily backups
+find $BACKUP_DIR -name "*.dump.gz" -mtime +14 -delete
+find $BACKUP_DIR -name "*.dump" -mtime +14 -delete
 
 ls -lh $BACKUP_DIR/ | tail -5