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/components/PoolPresetPicker.css

@@ -0,0 +1,70 @@
+.pool-preset-picker {
+  display: flex;
+  flex-direction: column;
+  gap: 0.75rem;
+}
+
+.pool-preset-hint {
+  margin: 0;
+}
+
+.pool-preset-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
+  gap: 0.65rem 1rem;
+}
+
+.pool-preset-group {
+  display: flex;
+  flex-direction: column;
+  gap: 0.35rem;
+  padding: 0.5rem 0.65rem;
+  border: 1px solid var(--border-dim, rgba(0, 255, 200, 0.15));
+  border-radius: 6px;
+  background: rgba(0, 0, 0, 0.2);
+}
+
+.pool-preset-provider {
+  font-size: 0.75rem;
+  letter-spacing: 0.06em;
+  color: var(--neon-cyan, #0ff);
+  margin-bottom: 0.15rem;
+}
+
+.pool-preset-option {
+  font-size: 0.85rem;
+  align-items: flex-start;
+}
+
+.pool-preset-sub {
+  opacity: 0.65;
+  font-size: 0.78rem;
+}
+
+.pool-preset-custom-fields {
+  margin-top: 0.5rem;
+  flex-wrap: wrap;
+  gap: 0.5rem;
+}
+
+.pool-preset-custom-fields .input.mono {
+  flex: 2 1 160px;
+}
+
+.pool-preset-order {
+  font-size: 0.82rem;
+  padding: 0.5rem 0.65rem;
+  border-left: 3px solid var(--neon-cyan, #0ff);
+  background: rgba(0, 40, 50, 0.25);
+}
+
+.pool-preset-order ol {
+  margin: 0.35rem 0 0;
+  padding-left: 1.25rem;
+}
+
+.pool-preset-manual {
+  margin-top: 0.5rem;
+  padding-top: 0.75rem;
+  border-top: 1px dashed var(--border-dim, rgba(255, 255, 255, 0.12));
+}