refactor: split api routes by concern

src/routes/uiStateRoutes.ts

@@ -0,0 +1,47 @@
+import type { Router } from "express";
+import express from "express";
+import { createChildLogger } from "../logger";
+
+const logger = createChildLogger("ui-state-routes");
+
+export interface SharedUIState {
+  selectedGuild: string;
+  selectedVoiceChannel: string;
+  selectedTextChannel: string;
+  activeTab: "voice" | "text";
+  isListening: boolean;
+  isStreaming: boolean;
+}
+
+export interface UIStateRouteOptions {
+  getSharedUIState: () => SharedUIState;
+  patchSharedUIState: (patch: Partial<SharedUIState>) => SharedUIState;
+}
+
+export function createUIStateRoutes(options: UIStateRouteOptions): Router {
+  const router = express.Router();
+  const { getSharedUIState, patchSharedUIState } = options;
+
+  // GET /api/ui-state - Get current UI state
+  router.get("/ui-state", (_req, res, next) => {
+    try {
+      const state = getSharedUIState();
+      res.json(state);
+    } catch (error) {
+      next(error);
+    }
+  });
+
+  // POST /api/ui-state - Update UI state
+  router.post("/ui-state", (req, res, next) => {
+    try {
+      const patch = req.body as Partial<SharedUIState>;
+      const updated = patchSharedUIState(patch);
+      res.json(updated);
+    } catch (error) {
+      next(error);
+    }
+  });
+
+  return router;
+}