Track HiveGrid Cloud planning reference

hivegrid-cloud/apps/web/app/utils/build/bundleScan.test.ts

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+import { describe, expect, it } from "vitest";
+
+import { analyzeBundleScan, formatBundleScanSummary } from "./bundleScan";
+
+describe("bundle scan", () => {
+  it("reports actionable over-budget vendor chunks", () => {
+    const result = analyzeBundleScan({
+      assets: [{ name: "assets/vendor-react.abcd.js", sizeKb: 620 }],
+      warnings: [
+        {
+          code: "PLUGIN_WARNING",
+          message: "Some chunks are larger than 500 kB after minification.",
+        },
+      ],
+    });
+
+    expect(result.budgetViolations).toEqual([
+      {
+        name: "assets/vendor-react.abcd.js",
+        sizeKb: 620,
+        thresholdKb: 500,
+        budgetKind: "vendor",
+      },
+    ]);
+    expect(result.warnings[0]?.class).toBe("large-chunk");
+  });
+
+  it("accepts chunks within explicit app, vendor and editor budgets", () => {
+    const result = analyzeBundleScan({
+      assets: [
+        { name: "assets/routes-dashboard.js", sizeKb: 340 },
+        { name: "assets/vendor-radix.js", sizeKb: 480 },
+        { name: "assets/monaco-editor.js", sizeKb: 840 },
+      ],
+    });
+
+    expect(result.budgetViolations).toEqual([]);
+  });
+
+  it("formats largest chunk summaries in deterministic size order", () => {
+    const result = analyzeBundleScan(
+      {
+        assets: [
+          { name: "assets/workflow.js", sizeKb: 220 },
+          { name: "assets/vendor-react.js", sizeKb: 500 },
+          { name: "assets/editor-monaco.js", sizeKb: 500 },
+          { name: "assets/settings.js", sizeKb: 120 },
+        ],
+      },
+      { largestChunkLimit: 3 },
+    );
+
+    expect(result.largestChunks.map((asset) => asset.name)).toEqual([
+      "assets/editor-monaco.js",
+      "assets/vendor-react.js",
+      "assets/workflow.js",
+    ]);
+    expect(formatBundleScanSummary(result)).toContain("- assets/editor-monaco.js: 500 kB");
+  });
+
+  it("keeps unknown warnings visible instead of suppressing them", () => {
+    const result = analyzeBundleScan({
+      assets: [{ name: "assets/app.js", sizeKb: 100 }],
+      warnings: [
+        {
+          code: "SYNTHETIC_NEW_WARNING",
+          message: "Bundler emitted a warning this helper does not know yet.",
+          file: "apps/web/app/routes/dashboard.tsx",
+        },
+      ],
+    });
+
+    expect(result.unknownWarnings).toHaveLength(1);
+    expect(result.unknownWarnings[0]).toMatchObject({
+      class: "unknown",
+      suppressed: false,
+      code: "SYNTHETIC_NEW_WARNING",
+    });
+    expect(formatBundleScanSummary(result)).toContain(
+      "- SYNTHETIC_NEW_WARNING: Bundler emitted a warning this helper does not know yet.",
+    );
+  });
+});