feat: 为出站请求统一接入 HTTP 代理

app/shared/proxy.py

@@ -0,0 +1,23 @@
+"""项目出站代理策略；OTel exporter 不使用这里的配置。"""
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+    from app.shared.config import Settings
+
+
+def httpx_client_options(
+    settings: "Settings", *, target_url: str | None = None
+) -> dict[str, object]:
+    """返回 HTTPX 客户端统一的代理与环境变量策略。"""
+    proxy = None if target_url and settings.proxy_bypasses(target_url) else settings.httpx_proxy
+    options: dict[str, object] = {"trust_env": False}
+    if proxy is not None:
+        options["proxy"] = proxy
+    return options
+
+
+def playwright_launch_proxy(settings: "Settings") -> dict[str, str] | None:
+    """返回 Playwright 启动参数使用的统一代理设置。"""
+    return settings.playwright_proxy