feat: centralize application framework primitives

packages/cli/src/check.ts

@@ -0,0 +1,28 @@
+import { readFileSync } from "node:fs";
+import { resolve } from "node:path";
+import { runBuild } from "./build.ts";
+import { runTypecheck } from "./types.ts";
+
+async function runScript(root: string, name: string): Promise<void> {
+  const child = Bun.spawn(["bun", "run", name], {
+    cwd: root,
+    stdin: "inherit",
+    stdout: "inherit",
+    stderr: "inherit",
+  });
+  const code = await child.exited;
+  if (code !== 0) throw new Error(`WRN-CHECK: '${name}' failed with exit code ${code}`);
+}
+
+/** Canonical generated-artifact-aware application verification pipeline. */
+export async function runCheck(appRoot: string): Promise<void> {
+  const root = resolve(appRoot);
+  const manifest = JSON.parse(readFileSync(resolve(root, "package.json"), "utf8")) as {
+    scripts?: Record<string, string>;
+  };
+  await runBuild(root);
+  if (!(await runTypecheck(root))) throw new Error("WRN-CHECK: application typecheck failed");
+  for (const name of ["lint", "test", "format:check"] as const) {
+    if (manifest.scripts?.[name]) await runScript(root, name);
+  }
+}