Initial travel knowledge graph release

app/config.py

@@ -0,0 +1,43 @@
+from pydantic_settings import BaseSettings, SettingsConfigDict
+
+
+class Settings(BaseSettings):
+    model_config = SettingsConfigDict(env_file=".env", env_file_encoding="utf-8", extra="ignore")
+
+    # Database
+    database_url: str = "postgresql://postgres:postgres@localhost:5432/kg_db"
+    db_schema: str = "kg_admin"
+    db_migrations_enabled: bool = True
+
+    # FalkorDB
+    falkordb_host: str = "localhost"
+    falkordb_port: int = 6379
+    falkordb_graph: str = "guiyang"
+    falkordb_password: str = ""
+
+    # Auth
+    auth_secret: str = "change-me-at-least-32-chars-long-secret"
+    auth_algorithm: str = "HS256"
+    auth_token_expire_minutes: int = 480
+    auth_default_username: str = "admin@example.com"
+    auth_default_password: str = "admin"
+
+    # LLM
+    llm_api_base: str = ""
+    llm_api_key: str = ""
+    llm_model: str = "deepseek-chat"
+    llm_timeout_seconds: int = 30
+    llm_extraction_enabled: bool = False
+
+    # App
+    default_tenant: str = "guiyang"
+    default_project: str = "default"
+    ingest_api_keys: str = "dev-key-1"
+
+    # AMap / Gaode JS API
+    amap_web_key: str = ""
+    amap_js_key: str = ""
+    amap_security_jscode: str = ""
+
+
+settings = Settings()