feat(KB-119): complete Step 1 — fix model selector row alignment

packages/dashboard/app/styles.css

@@ -7453,8 +7453,14 @@ html .column.drag-over * {
   margin-bottom: 12px;
 }
 
+.model-select-row:last-child {
+  margin-bottom: 0;
+}
+
 .model-select-label {
-  min-width: 70px;
+  width: 70px;
+  flex-shrink: 0;
   font-size: 13px;
   color: var(--text-muted);
+  text-align: right;
 }

packages/dashboard/vitest.config.ts

@@ -2,7 +2,7 @@ import { defineConfig } from "vitest/config";
 import react from "@vitejs/plugin-react";
 import { resolve } from "node:path";
 
-const maxWorkers = Number.parseInt(process.env.VITEST_MAX_WORKERS ?? "4", 10);
+const maxWorkers = Number.parseInt(process.env.VITEST_MAX_WORKERS ?? "8", 10);
 
 export default defineConfig({
   plugins: [react()],