feat: add aiprovider service foundation

aiprovider/config.py

@@ -0,0 +1,35 @@
+from functools import lru_cache
+from pathlib import Path
+
+from pydantic_settings import BaseSettings
+
+
+class Settings(BaseSettings):
+    SERVICE_NAME: str = "planet-ai-provider"
+    SERVICE_VERSION: str = "0.1.0"
+
+    AI_PROVIDER: str = "disabled"
+    AI_BASE_URL: str = "https://api.openai.com/v1"
+    AI_API_KEY: str = ""
+    AI_MODEL: str = ""
+    AI_TIMEOUT_SECONDS: int = 60
+    AI_HTTP_RETRY_ATTEMPTS: int = 2
+    AI_MAX_TOKENS: int = 1200
+    AI_ANTHROPIC_VERSION: str = "2023-06-01"
+    AI_ANALYSIS_SYSTEM_PROMPT: str = (
+        "你是态势感知分析助手。请基于输入的上下文、观测与约束，输出结构化、克制、可执行的分析。"
+    )
+
+    AI_PROVIDER_SERVICE_TOKEN: str = ""
+
+    class Config:
+        env_file = Path(__file__).parent / ".env"
+        case_sensitive = True
+
+
+@lru_cache()
+def get_settings() -> Settings:
+    return Settings()
+
+
+settings = get_settings()