refactor(ai): use HTTP proxy agents for Bedrock

packages/ai/test/node-http-proxy.test.ts

@@ -0,0 +1,65 @@
+import { afterEach, describe, expect, it } from "vitest";
+import { resolveHttpProxyUrlForTarget, UNSUPPORTED_PROXY_PROTOCOL_MESSAGE } from "../src/utils/node-http-proxy.js";
+
+const PROXY_ENV_KEYS = [
+	"HTTP_PROXY",
+	"HTTPS_PROXY",
+	"NO_PROXY",
+	"ALL_PROXY",
+	"http_proxy",
+	"https_proxy",
+	"no_proxy",
+	"all_proxy",
+	"npm_config_http_proxy",
+	"npm_config_https_proxy",
+	"npm_config_proxy",
+	"npm_config_no_proxy",
+] as const;
+
+const originalEnv = new Map<string, string | undefined>();
+for (const key of PROXY_ENV_KEYS) {
+	originalEnv.set(key, process.env[key]);
+}
+
+function resetProxyEnv(): void {
+	for (const key of PROXY_ENV_KEYS) {
+		delete process.env[key];
+	}
+}
+
+afterEach(() => {
+	resetProxyEnv();
+	for (const [key, value] of originalEnv) {
+		if (value !== undefined) {
+			process.env[key] = value;
+		}
+	}
+});
+
+describe("node HTTP proxy resolution", () => {
+	it("respects NO_PROXY exclusions", () => {
+		resetProxyEnv();
+		process.env.HTTPS_PROXY = "http://proxy.example:8080";
+		process.env.NO_PROXY = "bedrock-runtime.us-east-1.amazonaws.com";
+
+		expect(resolveHttpProxyUrlForTarget("https://bedrock-runtime.us-east-1.amazonaws.com")).toBeUndefined();
+	});
+
+	it("resolves HTTP and HTTPS proxy URLs", () => {
+		resetProxyEnv();
+		process.env.HTTPS_PROXY = "http://proxy.example:8080";
+
+		expect(resolveHttpProxyUrlForTarget("https://bedrock-runtime.us-east-1.amazonaws.com")?.toString()).toBe(
+			"http://proxy.example:8080/",
+		);
+	});
+
+	it("rejects SOCKS and PAC proxy URLs explicitly", () => {
+		resetProxyEnv();
+		process.env.HTTPS_PROXY = "socks5://proxy.example:1080";
+
+		expect(() => resolveHttpProxyUrlForTarget("https://bedrock-runtime.us-east-1.amazonaws.com")).toThrow(
+			UNSUPPORTED_PROXY_PROTOCOL_MESSAGE,
+		);
+	});
+});