fix: harden owner bootstrap and auth persistence

.gitea/workflows/rollback.yaml

@@ -94,22 +94,12 @@ jobs:
           fi
 
       # ═══════════════════════════════════════════════════
-      # Step 3: Prepare .env from secrets + host .env (safe temp file)
+      # Step 3: Prepare .env from secrets (safe temp file)
       # ═══════════════════════════════════════════════════
-      - name: Prepare .env (secrets + host .env → temp file)
+      - name: Prepare .env (secrets → temp file)
         run: |
           set -euo pipefail
 
-          # Read OWNER_PASSWORD from the host's persistent .env
-          HOST_OWNER_PASSWORD=""
-          if [ -f "${DEPLOY_PATH}/.env" ]; then
-            HOST_OWNER_PASSWORD=$(grep '^OWNER_PASSWORD=' "${DEPLOY_PATH}/.env" | cut -d= -f2- || true)
-          fi
-          if [ -z "${HOST_OWNER_PASSWORD}" ]; then
-            echo "❌ OWNER_PASSWORD not found in ${DEPLOY_PATH}/.env"
-            exit 1
-          fi
-
           cat > "${ENV_TMPFILE}" <<EOF
           # Nexus Production Environment — auto-generated by CD pipeline
           POSTGRES_DB=nexus
@@ -118,9 +108,7 @@ jobs:
           JWT_KEY=${ENV_JWT_KEY}
           JWT_ISSUER=nexus
           JWT_AUDIENCE=nexus-web
-          OWNER_EMAIL=vmbao62@hotmail.de
-          OWNER_PASSWORD=${HOST_OWNER_PASSWORD}
-          OWNER_DISPLAY_NAME=
+          BOOTSTRAP_OWNER_EMAIL=vmbao62@hotmail.de
           OPENCLAW_BASE_URL=http://host.docker.internal:18789
           OPENCLAW_GATEWAY_TOKEN=${ENV_OPENCLAW_TOKEN}
           OPENCLAW_GATEWAY_PASSWORD=