Files
Yaojia Wang 345cc73965 fix(txn+security): 仓储改 flush + 启动校验/兜底 + job.error 脱敏 + SSE 异常硬化
P0-1 SqlCredentialStore/save_draft 由自提交改 flush,端点/服务统一 commit
  (新增 CredentialStore.commit() 统一提交点;token 刷新落库显式提交);
  补多凭据一请求中途失败整体回滚集成测试。
P0-2 启动校验 _fernet(enc_key) 快速失败 + catch-all Exception → ErrorEnvelope;
  credential_enc_key 改 SecretStr。
P0-3 run_job 异常分类:AppError 存 code+message,其余存通用文案不泄 str(exc)。
P0-4 评审/正文 SSE 失败先发 error 事件,尾部 commit 包 try/except。
P1-4 max_version 加 FOR UPDATE 行锁消除 TOCTOU。
P1-5 scan_overdue 谓词下推 + 批量 UPDATE RETURNING。
P1-10 移除 OAuth user_code 日志。
P2 provider_deps 改调网关 build_adapter;accept_service Committable Protocol;
  CORS 白名单收窄;request_id 安全字符集白名单;stdlib 日志接管;读端点 404 校验;
  httpx timeout;测试用合法 Fernet key;类型化响应模型(JobResponse/DimensionEntry/
  ReviewConflictView/selling_points)+路由 ErrorEnvelope responses(供 codegen)。
2026-06-21 19:32:24 +02:00

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"""应用配置env 解析)。提供商注册/档位默认见后续阶段。"""
from __future__ import annotations
from functools import lru_cache
from pydantic import SecretStr, field_validator
from pydantic_settings import BaseSettings, SettingsConfigDict
class Settings(BaseSettings):
model_config = SettingsConfigDict(env_file=".env", extra="ignore")
app_env: str = "dev"
log_json: bool = False
database_url: str = "postgresql+asyncpg://writer:writer@localhost:5432/writer"
database_url_sync: str = "postgresql+psycopg://writer:writer@localhost:5432/writer"
# 提供商凭据对称加密 keyFernet。用 SecretStr 防误序列化/误入日志;
# 取明文须显式 `.get_secret_value()`。启动校验见 `main._lifespan`。
credential_enc_key: SecretStr = SecretStr("")
# 浏览器端跨源访问(前端 :3000 → API :8000放行的来源env `CORS_ORIGINS` 逗号分隔覆盖。
cors_origins: list[str] = [
"http://localhost:3000",
"http://127.0.0.1:3000",
]
@field_validator("cors_origins", mode="before")
@classmethod
def _split_csv_origins(cls, v: object) -> object:
if isinstance(v, str):
return [s.strip() for s in v.split(",") if s.strip()]
return v
# 档位默认writer/analyst/light——具体 provider:model 经 tier_routing 覆盖
tier_defaults: dict[str, str] = {
"writer": "deepseek:deepseek-chat",
"analyst": "deepseek:deepseek-chat",
"light": "deepseek:deepseek-chat",
}
@lru_cache
def get_settings() -> Settings:
return Settings()