feat: show call participants in room list (Discord-style)

packages/vite-common/package.json

@@ -0,0 +1,19 @@
+{
+    "name": "@element-hq/vite-common",
+    "private": true,
+    "version": "0.0.0",
+    "type": "module",
+    "scripts": {
+        "lint:types": "tsc --noEmit"
+    },
+    "dependencies": {
+        "vitest": "catalog:"
+    },
+    "devDependencies": {
+        "typescript": "catalog:"
+    },
+    "peerDependencies": {
+        "@vitest/coverage-v8": "catalog:",
+        "vitest-sonar-reporter": "catalog:"
+    }
+}

packages/vite-common/tsconfig.json

@@ -0,0 +1,9 @@
+{
+    "compilerOptions": {
+        "target": "ESNext",
+        "module": "esnext",
+        "moduleResolution": "bundler",
+        "strict": true
+    },
+    "include": ["vite.config.ts"]
+}

packages/vite-common/vite.config.ts

@@ -0,0 +1,61 @@
+/*
+Copyright 2026 Element Creations Ltd.
+
+SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE files in the repository root for full details.
+*/
+
+import { defineConfig, type ViteUserConfig } from "vitest/config";
+import { type Reporter } from "vitest/reporters";
+import { env } from "node:process";
+
+const reporters: NonNullable<ViteUserConfig["test"]>["reporters"] = [["default"]];
+
+const slowTestReporter: Reporter = {
+    onTestRunEnd(testModules, unhandledErrors, reason) {
+        const tests = testModules
+            .flatMap((m) => Array.from(m.children.allTests()))
+            .filter((test) => test.diagnostic()?.slow);
+        tests.sort((x, y) => x.diagnostic()!.duration! - y.diagnostic()!.duration!);
+        tests.reverse();
+
+        if (tests.length > 0) {
+            console.warn("Slowest 10 tests:");
+        }
+        for (const t of tests.slice(0, 10)) {
+            console.warn(`${t.module.moduleId} > ${t.fullName}: ${t.diagnostic()?.duration.toFixed(0)}ms`);
+        }
+    },
+};
+
+// if we're running under GHA, enable the GHA & Sonar reporters
+if (env["GITHUB_ACTIONS"] !== undefined) {
+    reporters.push(["github-actions", { silent: false }]);
+    reporters.push([
+        "vitest-sonar-reporter",
+        {
+            outputFile: "coverage/sonar-report.xml",
+            onWritePath: (path): string => `${process.cwd()}/${path}`,
+        },
+    ]);
+
+    // if we're running against the develop branch, also enable the slow test reporter
+    if (env["GITHUB_REF"] == "refs/heads/develop") {
+        reporters.push(slowTestReporter);
+    }
+}
+
+export default defineConfig({
+    test: {
+        coverage: {
+            provider: "v8",
+            include: ["src/**/*.{ts,tsx}"],
+            reporter: [["lcov", { projectRoot: "../../" }]],
+        },
+        environment: "node",
+        reporters,
+        pool: "threads",
+        globals: false,
+        include: ["src/**/*.test.{ts,tsx}"],
+    },
+});