refactoring the api endpoints to be separate files to reduce context usage

apps/server/src/routes/agent/index.ts

@@ -0,0 +1,29 @@
+/**
+ * Agent routes - HTTP API for Claude agent interactions
+ */
+
+import { Router } from "express";
+import { AgentService } from "../../services/agent-service.js";
+import type { EventEmitter } from "../../lib/events.js";
+import { createStartHandler } from "./routes/start.js";
+import { createSendHandler } from "./routes/send.js";
+import { createHistoryHandler } from "./routes/history.js";
+import { createStopHandler } from "./routes/stop.js";
+import { createClearHandler } from "./routes/clear.js";
+import { createModelHandler } from "./routes/model.js";
+
+export function createAgentRoutes(
+  agentService: AgentService,
+  _events: EventEmitter
+): Router {
+  const router = Router();
+
+  router.post("/start", createStartHandler(agentService));
+  router.post("/send", createSendHandler(agentService));
+  router.post("/history", createHistoryHandler(agentService));
+  router.post("/stop", createStopHandler(agentService));
+  router.post("/clear", createClearHandler(agentService));
+  router.post("/model", createModelHandler(agentService));
+
+  return router;
+}