fix: relax web→api dependency + smarter wait loop

- web's depends_on on api: change from service_healthy to
  service_started+restart (same as api→postgres fix)
- deploy wait loop: fail fast on unhealthy, wait on starting,
  increased timeout to 180s (36×5s)

.gitea/workflows/deploy.yaml

@@ -220,19 +220,26 @@ jobs:
                 docker compose --env-file /tmp/nexus-deploy-env build ${BUILD_ARGS}
                 docker compose --env-file /tmp/nexus-deploy-env up -d --force-recreate
               fi
-              echo '⏳ Waiting for services to become healthy (up to 120s)...'
-              for i in \$(seq 1 24); do
-                STATUS=\$(docker compose --env-file /tmp/nexus-deploy-env ps -a 2>/dev/null | tail -n +2)
-                if echo \"\$STATUS\" | grep -q 'unhealthy\|starting'; then
-                  echo \"  [\$i/24] Waiting...\"
+              echo '⏳ Waiting for services to become healthy (up to 180s)...'
+              for i in \$(seq 1 36); do
+                UNHEALTHY=\$(docker compose --env-file /tmp/nexus-deploy-env ps -a 2>/dev/null | grep -E 'unhealthy' || true)
+                STARTING=\$(docker compose --env-file /tmp/nexus-deploy-env ps -a 2>/dev/null | grep -E 'starting' || true)
+                if [ -n \"\$UNHEALTHY\" ]; then
+                  echo \"  [\$i/36] Containers unhealthy:\"
+                  echo \"\$UNHEALTHY\"
+                  echo \"Failing fast — unhealthy container detected\"
+                  docker compose --env-file /tmp/nexus-deploy-env logs --tail=30
+                  exit 1
+                elif [ -n \"\$STARTING\" ]; then
+                  echo \"  [\$i/36] Still starting...\"
                   sleep 5
                 else
-                  echo '✅ All containers running'
+                  echo '✅ All containers healthy'
                   docker compose --env-file /tmp/nexus-deploy-env ps -a
                   exit 0
                 fi
               done
-              echo '❌ Timeout waiting for services'
+              echo '❌ Timeout waiting for services (180s)'
               docker compose --env-file /tmp/nexus-deploy-env ps -a
               docker compose --env-file /tmp/nexus-deploy-env logs --tail=20
               exit 1