fix(FN-0000): include compound engineering dashboard css

plugins/fusion-plugin-compound-engineering/package.json

@@ -15,7 +15,7 @@
     }
   },
   "scripts": {
-    "build": "tsc",
+    "build": "tsc && node scripts/copy-css.mjs",
     "test": "vitest run --silent=passed-only --reporter=dot"
   },
   "dependencies": {

plugins/fusion-plugin-compound-engineering/scripts/copy-css.mjs

@@ -0,0 +1,23 @@
+#!/usr/bin/env node
+// Copies every .css file under src/ to the mirrored path under dist/.
+import { cp, mkdir, readdir } from "node:fs/promises";
+import { dirname, join, relative } from "node:path";
+import { fileURLToPath } from "node:url";
+
+const root = dirname(fileURLToPath(import.meta.url)) + "/..";
+const srcDir = join(root, "src");
+const distDir = join(root, "dist");
+
+async function* cssFiles(dir) {
+  for (const entry of await readdir(dir, { withFileTypes: true })) {
+    const full = join(dir, entry.name);
+    if (entry.isDirectory()) yield* cssFiles(full);
+    else if (entry.isFile() && entry.name.endsWith(".css")) yield full;
+  }
+}
+
+for await (const file of cssFiles(srcDir)) {
+  const dest = join(distDir, relative(srcDir, file));
+  await mkdir(dirname(dest), { recursive: true });
+  await cp(file, dest);
+}

plugins/fusion-plugin-compound-engineering/src/__tests__/manifest.test.ts

@@ -1,5 +1,6 @@
 import { describe, expect, it } from "vitest";
 import manifest from "../../manifest.json";
+import packageJson from "../../package.json";
 import plugin from "../index.js";
 import { COMPOUND_ENGINEERING_SKILLS } from "../skills.js";
 import { settingsSchema } from "../settings.js";
@@ -75,6 +76,11 @@ describe("compound engineering plugin manifest", () => {
     expect(typeof plugin.hooks?.onLoad).toBe("function");
   });
 
+  it("copies dashboard CSS into dist during build", () => {
+    expect(packageJson.scripts.build).toContain("tsc");
+    expect(packageJson.scripts.build).toContain("node scripts/copy-css.mjs");
+  });
+
   it("wires the settings schema onto the runtime manifest and manifest.json (U9)", () => {
     const expectedKeys = [
       "defaultProvider",