Query manuals from shared Convex directly

lib/convex-service.ts

@@ -1,4 +1,6 @@
+import { ConvexHttpClient } from "convex/browser"
 import { fetchQuery } from "convex/nextjs"
+import { makeFunctionReference } from "convex/server"
 import { api } from "@/convex/_generated/api"
 import { hasConvexUrl } from "@/lib/convex-config"
 import type { Product } from "@/lib/products/types"
@@ -30,6 +32,33 @@ type ConvexManualDoc = {
   manualUrl?: string
 }
 
+
+const LIST_MANUALS = makeFunctionReference<"query">("manuals:list")
+const MANUALS_DASHBOARD = makeFunctionReference<"query">("manuals:dashboard")
+
+let cachedServerConvexClient: ConvexHttpClient | null | undefined
+
+function getServerConvexClient() {
+  if (cachedServerConvexClient !== undefined) {
+    return cachedServerConvexClient
+  }
+
+  const convexUrl = process.env.CONVEX_URL || process.env.NEXT_PUBLIC_CONVEX_URL
+  if (!convexUrl) {
+    cachedServerConvexClient = null
+    return cachedServerConvexClient
+  }
+
+  const client = new ConvexHttpClient(convexUrl)
+  const adminKey = process.env.CONVEX_SELF_HOSTED_ADMIN_KEY
+  if (adminKey) {
+    client.setAdminAuth(adminKey)
+  }
+
+  cachedServerConvexClient = client
+  return cachedServerConvexClient
+}
+
 type ConvexOrderItem = {
   productId?: string | null
   productName: string
@@ -138,7 +167,12 @@ export async function listConvexManuals(): Promise<Manual[]> {
     return []
   }
 
-  const manuals = await safeFetchQuery("manuals.list", fetchQuery(api.manuals.list, {}), [] as ConvexManualDoc[])
+  const client = getServerConvexClient()
+  if (!client) {
+    return []
+  }
+
+  const manuals = await safeFetchQuery("manuals.list", client.query(LIST_MANUALS, {}), [] as ConvexManualDoc[])
   return (manuals as ConvexManualDoc[]).map(mapConvexManual)
 }
 
@@ -147,7 +181,12 @@ export async function getConvexManualDashboard() {
     return null
   }
 
-  return await safeFetchQuery("manuals.dashboard", fetchQuery(api.manuals.dashboard, {}), null)
+  const client = getServerConvexClient()
+  if (!client) {
+    return null
+  }
+
+  return await safeFetchQuery("manuals.dashboard", client.query(MANUALS_DASHBOARD, {}), null)
 }
 
 export async function getConvexOrderMetrics() {