智能选中文字

frontend-web/src/env.ts

@@ -4,6 +4,7 @@ function readEnv(
   key:
     | "VITE_BACKEND_BASE_URL"
     | "VITE_LANGGRAPH_BASE_URL"
+    | "VITE_CANVAS_LANGGRAPH_BASE_URL"
     | "VITE_STATIC_WEBSITE_ONLY"
     | "VITE_GITHUB_OAUTH_TOKEN",
 ): EnvValue {
@@ -14,6 +15,9 @@ function readEnv(
 export const env = {
   NEXT_PUBLIC_BACKEND_BASE_URL: readEnv("VITE_BACKEND_BASE_URL"),
   NEXT_PUBLIC_LANGGRAPH_BASE_URL: readEnv("VITE_LANGGRAPH_BASE_URL"),
+  // Canvas page uses its own LangGraph base URL so it can be independently
+  // routed (e.g. a separate canvas-agent server). Falls back to the main URL.
+  NEXT_PUBLIC_CANVAS_LANGGRAPH_BASE_URL: readEnv("VITE_CANVAS_LANGGRAPH_BASE_URL"),
   NEXT_PUBLIC_STATIC_WEBSITE_ONLY: readEnv("VITE_STATIC_WEBSITE_ONLY"),
   GITHUB_OAUTH_TOKEN: readEnv("VITE_GITHUB_OAUTH_TOKEN"),
 };