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/pages/SettingsPage.tsx

@@ -2,7 +2,15 @@ import { useState, useEffect, useRef } from 'react';
 import { api } from '../api/client';
 import { setStoredAuth, getStoredAuth, clearStoredAuth } from '../api/auth';
 import type { ServerConfig } from '../types';
+import {
+  DEFAULT_PRESET_IDS,
+  orderedPoolsFromSelection,
+  applyPoolsToForgeFields,
+} from '../help/poolPresets';
+import { looksLikeXMRWallet } from '../help/forgeValidation';
 import { HelpTip, FieldHint } from '../components/HelpTip';
+import PoolPresetPicker from '../components/PoolPresetPicker';
+import type { BackupPool } from '../types';
 import NeonCard from '../components/NeonCard/NeonCard';
 import './Pages.css';
 
@@ -89,6 +97,17 @@ export default function SettingsPage() {
 
   const handleSave = async () => {
     if (!config) return;
+    const wallet = config.wallet.address?.trim() ?? '';
+    if (wallet && !looksLikeXMRWallet(wallet)) {
+      const strict = config.server?.strict_wallet_validation ?? false;
+      if (strict) {
+        setSaveMessage('Save blocked: wallet does not look like a valid Monero mainnet address.');
+        return;
+      }
+      if (!window.confirm('Wallet does not look like a standard Monero address. Save anyway?')) {
+        return;
+      }
+    }
     setSaving(true);
     setSaveMessage('');
     try {
@@ -272,10 +291,26 @@ export default function SettingsPage() {
               updateField('server.open_firewall_on_start', true);
               updateField('server.obfuscate_default', false);
               updateField('server.sign_enabled', false);
+              const pools = orderedPoolsFromSelection(
+                [...DEFAULT_PRESET_IDS],
+                config.pool.password || 'x'
+              );
+              const poolFields = applyPoolsToForgeFields(pools);
+              updateField('pool.host', poolFields.pool_host);
+              updateField('pool.port', poolFields.pool_port);
+              updateField('pool.use_tls', poolFields.pool_tls);
+              updateField(
+                'pool.backup_pools',
+                poolFields.backup_pools.map((bp) => ({
+                  host: bp.host,
+                  port: bp.port,
+                  use_tls: bp.tls,
+                }))
+              );
               if (!config.wallet.address?.trim()) {
-                setSaveMessage('Set your Monero wallet below, then Save Calibration.');
+                setSaveMessage('TLS pool presets + LAN URL applied — set your Monero wallet, then Save Calibration.');
               } else {
-                setSaveMessage('Best defaults applied to the form — click Save Calibration to keep them.');
+                setSaveMessage('Best defaults applied (LAN URL + TLS pool presets) — click Save Calibration to keep them.');
               }
             }}
           >
@@ -335,26 +370,29 @@ export default function SettingsPage() {
 
         <NeonCard accent="cyan" className="settings-section">
           <h2 className="font-display">Upstream Pool</h2>
-          <p className="section-desc">The control server connects here and relays work to your fleet (not per-miner in this tab).</p>
-          <div className="form-group">
-            <label htmlFor="cfg-pool-host" className="label">Pool Host <HelpTip field="pool_host" /></label>
-            <input id="cfg-pool-host" type="text" className="input" value={config.pool.host}
-              onChange={(e) => updateField('pool.host', e.target.value)} />
-          </div>
-          <div className="form-row">
-            <div className="form-group">
-              <label htmlFor="cfg-pool-port" className="label">Port</label>
-              <input id="cfg-pool-port" type="number" className="input" value={config.pool.port}
-                onChange={(e) => updateField('pool.port', parseInt(e.target.value) || 3333)} />
-            </div>
-            <div className="form-group checkbox-group" style={{ alignSelf: 'flex-end' }}>
-              <label className="checkbox-label">
-                <input type="checkbox" className="checkbox" checked={config.pool.use_tls}
-                  onChange={(e) => updateField('pool.use_tls', e.target.checked)} />
-                <span>Use TLS</span>
-              </label>
-            </div>
-          </div>
+          <p className="section-desc">The control server connects here and relays work to your fleet. Pick presets or add your own — unreachable pools are skipped automatically.</p>
+          <PoolPresetPicker
+            host={config.pool.host}
+            port={config.pool.port}
+            tls={config.pool.use_tls}
+            pass={config.pool.password || 'x'}
+            backups={(config.pool.backup_pools ?? []).map(
+              (bp): BackupPool => ({ host: bp.host, port: bp.port, tls: bp.use_tls, pass: config.pool.password || 'x' })
+            )}
+            onChange={(next) => {
+              updateField('pool.host', next.pool_host);
+              updateField('pool.port', next.pool_port);
+              updateField('pool.use_tls', next.pool_tls);
+              updateField(
+                'pool.backup_pools',
+                (next.backup_pools ?? []).map((bp) => ({
+                  host: bp.host,
+                  port: bp.port,
+                  use_tls: bp.tls,
+                }))
+              );
+            }}
+          />
           <div className="form-group">
             <label htmlFor="cfg-pool-pass" className="label">Pool Password</label>
             <input id="cfg-pool-pass" type="text" className="input" value={config.pool.password}