fix(ci): revert unstable SSH multiplexing and restore docker-compose upload

.gitea/workflows/deploy.yml

@@ -351,16 +351,6 @@ jobs:
           chmod 600 ~/.ssh/id_ed25519
           ssh-keyscan -H alpha.mintel.me >> ~/.ssh/known_hosts 2>/dev/null
 
-          # SSH multiplexing: reuse a single connection for all commands
-          cat >> ~/.ssh/config <<SSHEOF
-          Host alpha.mintel.me
-            ControlMaster auto
-            ControlPath /tmp/ssh-%r@%h:%p
-            ControlPersist 120
-            ServerAliveInterval 15
-            ServerAliveCountMax 3
-          SSHEOF
-
           if [[ "$TARGET" == "production" ]]; then
             SITE_DIR="/home/deploy/sites/mintel.me"
           elif [[ "$TARGET" == "testing" ]]; then
@@ -371,15 +361,12 @@ jobs:
             SITE_DIR="/home/deploy/sites/branch.mintel.me/${SLUG:-unknown}"
           fi
 
-          # Open persistent connection
+          # Upload files
-          ssh -fN root@alpha.mintel.me
-
-          # Upload files (reuses existing connection)
           ssh root@alpha.mintel.me "mkdir -p $SITE_DIR/directus/schema $SITE_DIR/directus/uploads $SITE_DIR/directus/extensions"
           scp .env.deploy root@alpha.mintel.me:$SITE_DIR/$ENV_FILE
           scp docker-compose.yml root@alpha.mintel.me:$SITE_DIR/docker-compose.yml
 
-          # Deploy (single SSH session for all docker commands)
+          # Deploy
           DB_CONTAINER="${{ needs.prepare.outputs.project_name }}-postgres-db-1"
           ssh root@alpha.mintel.me bash <<DEPLOYEOF
           set -e
@@ -394,9 +381,6 @@ jobs:
           docker system prune -f --filter 'until=24h'
           DEPLOYEOF
 
-          # Cleanup multiplexed connection
-          ssh -O exit root@alpha.mintel.me 2>/dev/null || true
-
       - name: 🧹 Post-Deploy Cleanup (Runner)
         if: always()
         run: docker builder prune -f --filter "until=1h"