Refactor SSH setup in deployment workflow to enhance secrets presence checks and improve output clarity

.gitea/workflows/deploy-dev.yml

@@ -28,27 +28,39 @@ jobs:
           docker build -t merchbay_admin:dev .
           docker save merchbay_admin:dev | gzip > merchbay_admin_dev.tar.gz
 
-      - name: Setup SSH
+      - name: Debug secrets (safe)
         shell: sh
         run: |
-          set -e
+          echo "== Secrets presence check =="
 
           if [ -z "${DEPLOY_SSH_KEY}" ]; then
-            echo "❌ DEPLOY_SSH_KEY is EMPTY"
-            exit 1
+            echo "❌ DEPLOY_SSH_KEY is EMPTY or NOT SET"
+          else
+            echo "✅ DEPLOY_SSH_KEY is SET"
+            echo "Length: ${#DEPLOY_SSH_KEY}"
+            echo "First line:"
+            echo "${DEPLOY_SSH_KEY}" | head -n 1
+            echo "Last line:"
+            echo "${DEPLOY_SSH_KEY}" | tail -n 1
           fi
 
-          mkdir -p ~/.ssh
-          chmod 700 ~/.ssh
+          if [ -z "${DEPLOY_USER}" ]; then
+            echo "❌ DEPLOY_USER is EMPTY"
+          else
+            echo "✅ DEPLOY_USER = ${DEPLOY_USER}"
+          fi
 
-          echo "${DEPLOY_SSH_KEY}" > ~/.ssh/id_ed25519
-          chmod 600 ~/.ssh/id_ed25519
-
-          ssh-keyscan -H ${DEPLOY_HOST} >> ~/.ssh/known_hosts
+          if [ -z "${DEPLOY_HOST}" ]; then
+            echo "❌ DEPLOY_HOST is EMPTY"
+          else
+            echo "✅ DEPLOY_HOST = ${DEPLOY_HOST}"
+          fi
         env:
           DEPLOY_SSH_KEY: ${{ secrets.DEPLOY_SSH_KEY }}
+          DEPLOY_USER: ${{ secrets.DEPLOY_USER }}
           DEPLOY_HOST: ${{ secrets.DEPLOY_HOST }}
 
+
       - name: Deploy to Server
         shell: sh
         run: |