修正引用路径；恢复project_info.py到service目录，新增config/project_info.yml配置文件

app/services/project_info.py

@@ -0,0 +1,22 @@
+import os
+import yaml
+
+# 获取当前项目根目录的路径
+_current_file = os.path.abspath(__file__)
+project_root = os.path.dirname(os.path.dirname(os.path.dirname(_current_file)))
+
+# 尝试读取 .yml 或 .yaml 文件
+config_file = os.path.join(project_root, "configs", "project_info.yml")
+if not os.path.exists(config_file):
+    config_file = os.path.join(project_root, "configs", "project_info.yaml")
+
+if not os.path.exists(config_file):
+    raise FileNotFoundError(f"未找到项目配置文件 (project_info.yaml 或 .yml): {os.path.dirname(config_file)}")
+
+with open(config_file, 'r', encoding='utf-8') as f:
+    _config = yaml.safe_load(f)
+
+if not _config or 'name' not in _config:
+    raise KeyError(f"项目配置文件中缺少 'name' 配置: {config_file}")
+
+name = _config['name']