diff --git a/apps/desktop/src/chat/convexMachineClient.ts b/apps/desktop/src/chat/convexMachineClient.ts
index ae4870a..991c4fe 100644
--- a/apps/desktop/src/chat/convexMachineClient.ts
+++ b/apps/desktop/src/chat/convexMachineClient.ts
@@ -1,4 +1,5 @@
 import { ConvexClient } from "convex/browser"
+import type { FunctionReference } from "convex/server"
 import { Store } from "@tauri-apps/plugin-store"
 import { appLocalDataDir, join } from "@tauri-apps/api/path"
 import type { ChatMessage } from "./types"
@@ -33,6 +34,12 @@ type MachineUpdatePayload = {
   totalUnread: number
 }
 
+const FN_CHECK_UPDATES = "liveChat.checkMachineUpdates" as const
+const FN_LIST_MESSAGES = "liveChat.listMachineMessages" as const
+const FN_POST_MESSAGE = "liveChat.postMachineMessage" as const
+const FN_MARK_READ = "liveChat.markMachineMessagesRead" as const
+const FN_UPLOAD_URL = "liveChat.generateMachineUploadUrl" as const
+
 async function loadStore(): Promise<MachineStoreData> {
   const appData = await appLocalDataDir()
   const storePath = await join(appData, STORE_FILENAME)
@@ -86,7 +93,7 @@ export async function subscribeMachineUpdates(
 ): Promise<() => void> {
   const { client, token } = await ensureClient()
   const sub = client.onUpdate(
-    FN_CHECK_UPDATES as any,
+    FN_CHECK_UPDATES as unknown as FunctionReference<"query">,
     { machineToken: token },
     (value) => callback(value),
     onError
@@ -101,7 +108,7 @@ export async function subscribeMachineMessages(
 ): Promise<() => void> {
   const { client, token } = await ensureClient()
   const sub = client.onUpdate(
-    FN_LIST_MESSAGES as any,
+    FN_LIST_MESSAGES as unknown as FunctionReference<"query">,
     {
       machineToken: token,
       ticketId,
@@ -123,7 +130,7 @@ export async function sendMachineMessage(input: {
   }>
 }) {
   const { client, token } = await ensureClient()
-  return client.mutation(FN_POST_MESSAGE as any, {
+  return client.mutation(FN_POST_MESSAGE as unknown as FunctionReference<"mutation">, {
     machineToken: token,
     ticketId: input.ticketId,
     body: input.body,
@@ -139,7 +146,7 @@ export async function sendMachineMessage(input: {
 export async function markMachineMessagesRead(ticketId: string, messageIds: string[]) {
   if (messageIds.length === 0) return
   const { client, token } = await ensureClient()
-  await client.mutation(FN_MARK_READ as any, {
+  await client.mutation(FN_MARK_READ as unknown as FunctionReference<"mutation">, {
     machineToken: token,
     ticketId,
     messageIds,
@@ -152,7 +159,7 @@ export async function generateMachineUploadUrl(opts: {
   fileSize: number
 }) {
   const { client, token } = await ensureClient()
-  return client.action(FN_UPLOAD_URL as any, {
+  return client.action(FN_UPLOAD_URL as unknown as FunctionReference<"action">, {
     machineToken: token,
     fileName: opts.fileName,
     fileType: opts.fileType,