[add] plugin system and base sso module

api/app/core/config.py

@@ -9,6 +9,25 @@ load_dotenv()
 
 
 class Settings:
+    # ========================================================================
+    # Deployment Mode Configuration
+    # ========================================================================
+    # community: 社区版（开源，功能受限）
+    # cloud: SaaS 云服务版（全功能，按量计费）
+    # enterprise: 企业私有化版（License 控制）
+    DEPLOYMENT_MODE: str = os.getenv("DEPLOYMENT_MODE", "community")
+    
+    # License 配置（企业版）
+    LICENSE_FILE: str = os.getenv("LICENSE_FILE", "/etc/app/license.json")
+    LICENSE_SERVER_URL: str = os.getenv("LICENSE_SERVER_URL", "https://license.yourcompany.com")
+    
+    # 计费服务配置（SaaS 版）
+    BILLING_SERVICE_URL: str = os.getenv("BILLING_SERVICE_URL", "")
+    
+    # 基础 URL（用于 SSO 回调等）
+    BASE_URL: str = os.getenv("BASE_URL", "http://localhost:8000")
+    FRONTEND_URL: str = os.getenv("FRONTEND_URL", "http://localhost:3000")
+    
     ENABLE_SINGLE_WORKSPACE: bool = os.getenv("ENABLE_SINGLE_WORKSPACE", "true").lower() == "true"
     # API Keys Configuration
     OPENAI_API_KEY: str = os.getenv("OPENAI_API_KEY", "")
@@ -72,6 +91,10 @@ class Settings:
 
     # Single Sign-On configuration
     ENABLE_SINGLE_SESSION: bool = os.getenv("ENABLE_SINGLE_SESSION", "false").lower() == "true"
+    
+    # SSO 免登配置
+    SSO_TOKEN_EXPIRE_SECONDS: int = int(os.getenv("SSO_TOKEN_EXPIRE_SECONDS", "300"))
+    SSO_TRUSTED_SOURCES_CONFIG: str = os.getenv("SSO_TRUSTED_SOURCES_CONFIG", "{}")
 
     # File Upload
     MAX_FILE_SIZE: int = int(os.getenv("MAX_FILE_SIZE", "52428800"))