First pass at pulling the v1.5 CLI, TUI, and Launcher clients into v2.

clients/web/server/web-server-config.ts

@@ -149,10 +149,18 @@ export function printServerBanner(
   return url;
 }
 
+export interface BuildWebServerConfigOptions {
+  initialMcpConfig?: MCPServerConfig | null;
+}
+
 /**
- * Build WebServerConfig from process.env. Used when running server as standalone (e.g. node dist/server.js).
+ * Build WebServerConfig from process.env and optional initial MCP server config.
+ * Used by the launcher runner, Vite dev (`buildWebServerConfigFromEnv`), and prod standalone.
  */
-export function buildWebServerConfigFromEnv(): WebServerConfig {
+export function buildWebServerConfig(
+  options: BuildWebServerConfigOptions = {},
+): WebServerConfig {
+  const { initialMcpConfig = null } = options;
   const port = parseInt(process.env.CLIENT_PORT ?? "6274", 10);
   const hostname = process.env.HOST ?? "localhost";
   const baseUrl = `http://${hostname}:${port}`;
@@ -163,8 +171,6 @@ export function buildWebServerConfigFromEnv(): WebServerConfig {
       (process.env[LEGACY_AUTH_TOKEN_ENV] as string | undefined) ??
       "");
 
-  const initialMcpConfig: MCPServerConfig | null = null;
-
   const sandboxPort = resolveSandboxPort();
 
   let logger: Logger | undefined;
@@ -196,6 +202,13 @@ export function buildWebServerConfigFromEnv(): WebServerConfig {
   };
 }
 
+/**
+ * Build WebServerConfig from process.env only. Used when running server as standalone (e.g. node dist/server.js) or via `vite dev`.
+ */
+export function buildWebServerConfigFromEnv(): WebServerConfig {
+  return buildWebServerConfig({ initialMcpConfig: null });
+}
+
 /**
  * Three-way resolution for `autoOpen`:
  *   - explicit `MCP_AUTO_OPEN_ENABLED=true`  → always open (overrides VITEST)