fix(security): validate bedrock endpoint URLs

src/renderer/i18n/en.ts

@@ -1181,6 +1181,7 @@ export const en: Record<string, string> = {
   "form.aws.errProfileRequired": "AWS profile name required.",
   "form.aws.errIamRequired": "Access key id and secret access key required for IAM auth.",
   "form.aws.errBearerRequired": "Bearer token required.",
+  "form.aws.errEndpointUrlInvalid": "Endpoint URL must be an HTTPS AWS Bedrock runtime endpoint or a private endpoint.",
   "form.azure.apiKey": "API key",
   "form.azure.baseUrl": "Base URL (optional)",
   "form.azure.resourceName": "Resource name (optional)",

src/renderer/i18n/zh.ts

@@ -1181,6 +1181,7 @@ export const zh: Record<string, string> = {
   "form.aws.errProfileRequired": "请填写 AWS Profile 名称。",
   "form.aws.errIamRequired": "IAM 认证需要 Access Key ID 和 Secret Access Key。",
   "form.aws.errBearerRequired": "请填写 Bearer Token。",
+  "form.aws.errEndpointUrlInvalid": "Endpoint URL 必须是 HTTPS AWS Bedrock Runtime endpoint 或私有 endpoint。",
   "form.azure.apiKey": "API Key",
   "form.azure.baseUrl": "Base URL（可选）",
   "form.azure.resourceName": "资源名称（可选）",