chore: initial baseline with P0-safety .gitignore

backend/app/integrations/ragflow/exceptions.py

@@ -0,0 +1,35 @@
+# =============================================================================
+# RAGFlow API 异常定义
+# =============================================================================
+
+
+class RagflowError(Exception):
+    """RAGFlow 基础异常。"""
+    def __init__(self, message: str = "RAGFlow 错误"):
+        self.message = message
+        super().__init__(self.message)
+
+
+class RagflowConfigError(RagflowError):
+    """配置错误（缺少 API Key 或 Base URL）。"""
+    def __init__(self, message: str = "RAGFlow 配置缺失"):
+        super().__init__(message)
+
+
+class RagflowAuthError(RagflowError):
+    """认证失败（API Key 无效）。"""
+    def __init__(self, message: str = "RAGFlow 认证失败"):
+        super().__init__(message)
+
+
+class RagflowApiError(RagflowError):
+    """API 调用失败（非 200 响应）。"""
+    def __init__(self, code: int = 0, message: str = "RAGFlow API 错误"):
+        self.code = code
+        super().__init__(message)
+
+
+class RagflowConnectionError(RagflowError):
+    """网络连接失败。"""
+    def __init__(self, message: str = "RAGFlow 连接失败"):
+        super().__init__(message)