fix(ci): hardcode grep patterns in test-env (Woodpecker shell var substitution bug)

.woodpecker.yml

@@ -29,14 +29,12 @@ steps:
         fi
         echo "PASS: .env.deploy present"
       - |
-        for KEY in COMPOSE_PROJECT_NAME DTRACK_DOMAIN; do
-          VAL=$(grep "^${KEY}=" .env.deploy | cut -d= -f2)
-          if [ -z "$VAL" ]; then
-            echo "FAIL: $KEY manquant ou vide dans .env.deploy"
-            exit 1
-          fi
-          echo "PASS: $KEY = $VAL"
-        done
+        VAL=$(grep '^COMPOSE_PROJECT_NAME=' .env.deploy | cut -d= -f2)
+        [ -z "$VAL" ] && echo "FAIL: COMPOSE_PROJECT_NAME vide" && exit 1
+        echo "PASS: COMPOSE_PROJECT_NAME = $VAL"
+        VAL=$(grep '^DTRACK_DOMAIN=' .env.deploy | cut -d= -f2)
+        [ -z "$VAL" ] && echo "FAIL: DTRACK_DOMAIN vide" && exit 1
+        echo "PASS: DTRACK_DOMAIN = $VAL"
 
   # Etape 2 : Deploiement sur sonic via Docker socket
   # L'agent Woodpecker tourne sur sonic — pas de SSH requis