feat: share the tool catalog with voice

server/providers/openai/tools.js

@@ -2,3 +2,15 @@ import { createActionTools } from '../../../src/voice/actionSchemas.js';
 import { ACTION_DESCRIPTIONS } from './toolDescriptions.js';
 
 export const GEV_REALTIME_TOOLS = createActionTools(ACTION_DESCRIPTIONS);
+
+/**
+ * The session's tools: the app actions, then additional function tools
+ * whose names no action already uses.
+ */
+export function realtimeSessionTools(additional = []) {
+  const names = new Set(GEV_REALTIME_TOOLS.map((tool) => tool.name));
+  return [
+    ...GEV_REALTIME_TOOLS,
+    ...additional.filter((tool) => !names.has(tool.name)),
+  ];
+}