Add CLI instance proxy and route UI traffic through it

packages/ui/src/lib/sdk-manager.ts

@@ -1,27 +1,27 @@
 import { createOpencodeClient, type OpencodeClient } from "@opencode-ai/sdk/client"
+import { CODENOMAD_API_BASE } from "./api-client"
 
 class SDKManager {
-  private clients = new Map<number, OpencodeClient>()
+  private clients = new Map<string, OpencodeClient>()
 
-  createClient(port: number): OpencodeClient {
-    if (this.clients.has(port)) {
-      return this.clients.get(port)!
+  createClient(instanceId: string, proxyPath: string): OpencodeClient {
+    if (this.clients.has(instanceId)) {
+      return this.clients.get(instanceId)!
     }
 
-    const client = createOpencodeClient({
-      baseUrl: `http://localhost:${port}`,
-    })
+    const baseUrl = buildInstanceBaseUrl(proxyPath)
+    const client = createOpencodeClient({ baseUrl })
 
-    this.clients.set(port, client)
+    this.clients.set(instanceId, client)
     return client
   }
 
-  getClient(port: number): OpencodeClient | null {
-    return this.clients.get(port) || null
+  getClient(instanceId: string): OpencodeClient | null {
+    return this.clients.get(instanceId) ?? null
   }
 
-  destroyClient(port: number): void {
-    this.clients.delete(port)
+  destroyClient(instanceId: string): void {
+    this.clients.delete(instanceId)
   }
 
   destroyAll(): void {
@@ -29,4 +29,19 @@ class SDKManager {
   }
 }
 
+function buildInstanceBaseUrl(proxyPath: string): string {
+  const normalized = normalizeProxyPath(proxyPath)
+  const base = stripTrailingSlashes(CODENOMAD_API_BASE)
+  return `${base}${normalized}/`
+}
+
+function normalizeProxyPath(proxyPath: string): string {
+  const withLeading = proxyPath.startsWith("/") ? proxyPath : `/${proxyPath}`
+  return withLeading.replace(/\/+/g, "/").replace(/\/+$/, "")
+}
+
+function stripTrailingSlashes(input: string): string {
+  return input.replace(/\/+$/, "")
+}
+
 export const sdkManager = new SDKManager()