Add pool presets, operator bake-ins, and USB pack improvements

- Pool preset checkboxes with failover in Calibrate and Forge

- Tier 1/2 UX: setup banner, forge next worker, LAN defaults, blueprint prompt

- USB: auto-install forge tools, seed config.json, sync LAUNCH.bat

server/web/src/help/forgeDefaults.test.ts

@@ -1,5 +1,5 @@
 import { describe, expect, it } from 'vitest';
-import { FORGE_BUILD_DEFAULTS, DEFAULT_PUBLIC_TUNNEL, forgeDefaultsFromServer } from './forgeDefaults';
+import { FORGE_BUILD_DEFAULTS, forgeDefaultsFromServer } from './forgeDefaults';
 import { mockServerConfig, mockServerInfo } from '../test/fixtures';
 
 describe('FORGE_BUILD_DEFAULTS', () => {
@@ -47,12 +47,12 @@ describe('forgeDefaultsFromServer', () => {
     expect(result.server_url).toBe('https://tunnel.example.com');
   });
 
-  it('falls back to baked tunnel URL when public_url is blank', () => {
+  it('falls back to suggested LAN URL when public_url is blank', () => {
     const config = mockServerConfig({
       server: { public_url: '   ' },
     });
     const result = forgeDefaultsFromServer(config, mockServerInfo);
-    expect(result.server_url).toBe(DEFAULT_PUBLIC_TUNNEL);
+    expect(result.server_url).toBe(mockServerInfo.suggested_url);
   });
 
   it('reflects obfuscate and sign defaults from server config', () => {