ci: add code check badges and coverage reports

scripts/summarize_vitest_coverage.mjs

@@ -0,0 +1,81 @@
+import { mkdir, readFile, writeFile } from "node:fs/promises";
+import path from "node:path";
+
+const repoRoot = process.cwd();
+const packages = ["adminfront", "devfront", "orgfront"];
+
+function formatPct(value) {
+  return typeof value === "number" ? `${value.toFixed(2)}%` : "n/a";
+}
+
+async function readCoverageSummary(packageName) {
+  const summaryPath = path.join(
+    repoRoot,
+    packageName,
+    "coverage",
+    "coverage-summary.json",
+  );
+  const raw = await readFile(summaryPath, "utf8");
+  const summary = JSON.parse(raw);
+  const total = summary.total;
+
+  return {
+    package: packageName,
+    statements: total.statements.pct,
+    branches: total.branches.pct,
+    functions: total.functions.pct,
+    lines: total.lines.pct,
+    summaryPath: path.relative(repoRoot, summaryPath),
+    htmlPath: `${packageName}/coverage/index.html`,
+    lcovPath: `${packageName}/coverage/lcov.info`,
+  };
+}
+
+function renderMarkdown(rows) {
+  const lines = [
+    "# Vitest Coverage Summary",
+    "",
+    "| Package | Statements | Branches | Functions | Lines | HTML Report | LCOV |",
+    "| --- | ---: | ---: | ---: | ---: | --- | --- |",
+  ];
+
+  for (const row of rows) {
+    lines.push(
+      [
+        `| ${row.package}`,
+        formatPct(row.statements),
+        formatPct(row.branches),
+        formatPct(row.functions),
+        formatPct(row.lines),
+        row.htmlPath,
+        `${row.package}/coverage/lcov.info |`,
+      ].join(" | "),
+    );
+  }
+
+  lines.push(
+    "",
+    "Coverage includes each app's `src` tree and imported/covered files under `common`.",
+    "",
+  );
+
+  return lines.join("\n");
+}
+
+const rows = [];
+for (const packageName of packages) {
+  rows.push(await readCoverageSummary(packageName));
+}
+
+const reportsDir = path.join(repoRoot, "reports");
+await mkdir(reportsDir, { recursive: true });
+await writeFile(
+  path.join(reportsDir, "vitest-coverage-summary.json"),
+  `${JSON.stringify({ packages: rows }, null, 2)}\n`,
+);
+await writeFile(
+  path.join(reportsDir, "vitest-coverage-summary.md"),
+  renderMarkdown(rows),
+);
+
+console.log(renderMarkdown(rows));