Support env var url for langgraph fastapi

Author: maxkorp

typescript-sdk/apps/dojo/src/agents.ts

@@ -146,22 +146,22 @@ export const agentsIntegrations: AgentIntegrationConfig[] = [
     agents: async () => {
       return {
         agentic_chat: new LangGraphHttpAgent({
-          url: "http://localhost:8000/agent/agentic_chat",
+          url: `${envVars.langgraphFastApiUrl}/agent/agentic_chat`,
         }),
         agentic_generative_ui: new LangGraphHttpAgent({
-          url: "http://localhost:8000/agent/agentic_generative_ui",
+          url: `${envVars.langgraphFastApiUrl}/agent/agentic_generative_ui`,
         }),
         human_in_the_loop: new LangGraphHttpAgent({
-          url: "http://localhost:8000/agent/human_in_the_loop",
+          url: `${envVars.langgraphFastApiUrl}/agent/human_in_the_loop`,
         }),
         predictive_state_updates: new LangGraphHttpAgent({
-          url: "http://localhost:8000/agent/predictive_state_updates",
+          url: `${envVars.langgraphFastApiUrl}/agent/predictive_state_updates`,
         }),
         shared_state: new LangGraphHttpAgent({
-          url: "http://localhost:8000/agent/shared_state",
+          url: `${envVars.langgraphFastApiUrl}/agent/shared_state`,
         }),
         tool_based_generative_ui: new LangGraphHttpAgent({
-          url: "http://localhost:8000/agent/tool_based_generative_ui",
+          url: `${envVars.langgraphFastApiUrl}/agent/tool_based_generative_ui`,
         }),
       };
     },

typescript-sdk/apps/dojo/src/env.ts

@@ -3,6 +3,7 @@ type envVars = {
   serverStarterAllFeaturesUrl: string;
   mastraUrl: string;
   langgraphUrl: string;   
+  langgraphFastApiUrl: string;
   agnoUrl: string;
   llamaIndexUrl: string;
   crewAiUrl: string;
@@ -14,6 +15,7 @@ export default function getEnvVars(): envVars {
         serverStarterAllFeaturesUrl: process.env.SERVER_STARTER_ALL_FEATURES_URL || 'http://localhost:8000',
         mastraUrl: process.env.MASTRA_URL || 'http://localhost:4111',
         langgraphUrl: process.env.LANGGRAPH_URL || 'http://localhost:2024',
+        langgraphFastApiUrl: process.env.LANGGRAPH_FAST_API_URL || 'http://localhost:8000',
         agnoUrl: process.env.AGNO_URL || 'http://localhost:9001',
         llamaIndexUrl: process.env.LLAMA_INDEX_URL || 'http://localhost:9000',
         crewAiUrl: process.env.CREW_AI_URL || 'http://localhost:9002',