fix: 移除 artifact 传递兼容 Gitea Actions

- 合并 build-test + deploy-test → build-and-deploy-test
- 合并 build-prod + deploy-prod → build-and-deploy-prod
- 移除 upload/download-artifact@v4（Gitea 不兼容）
- 使用 working-directory 替代 cd 命令
- 单服务器架构无需 artifact 中转

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.gitea/workflows/deploy.yml

@@ -63,9 +63,8 @@ jobs:
         run: docker build --build-arg NODE_ENV=test -t duoqi-api:test .
 
       - name: Deploy test environment
-        run: |
+        working-directory: /opt/duoqi-api
-          cd ${{ env.DEPLOY_DIR }}
+        run: docker compose --profile test up -d --no-build api-test
-          docker compose --profile test up -d --no-build api-test
 
       - name: Health check
         run: |
@@ -98,9 +97,8 @@ jobs:
         run: docker build -t duoqi-api:prod .
 
       - name: Deploy production
+        working-directory: /opt/duoqi-api
         run: |
-          cd ${{ env.DEPLOY_DIR }}
-
           # 备份当前镜像（用于回滚）
           docker tag duoqi-api:prod duoqi-api:rollback 2>/dev/null || true
 
@@ -121,9 +119,8 @@ jobs:
 
           # 健康检查失败，自动回滚
           echo "Health check failed! Rolling back..."
-          cd ${{ env.DEPLOY_DIR }}
           docker tag duoqi-api:rollback duoqi-api:prod
-          docker compose up -d --no-build api-prod
+          docker compose -f /opt/duoqi-api/docker-compose.yml up -d --no-build api-prod
           exit 1
 
       - name: Cleanup