refactor: split smoke and integration test configs into separate CI jobs (#264)

* refactor: split smoke and integration test configs into separate CI jobs

* fix: move CLA labeling from triage to CLA workflow

* fix: install formatters in temp dir to avoid catalog: protocol error

* fix: handle 404 when removing labels that don't exist on the PR

packages/core/vitest.integration.config.ts

@@ -0,0 +1,14 @@
+import { defineConfig } from "vitest/config";
+
+export default defineConfig({
+	test: {
+		globals: true,
+		environment: "node",
+		include: ["tests/integration/cli/**/*.test.ts", "tests/integration/client/**/*.test.ts"],
+		// These tests boot real Astro dev servers in beforeAll hooks.
+		// Default hookTimeout (10s) is too short -- server startup +
+		// migrations + seed can take 30-60s.
+		testTimeout: 30_000,
+		hookTimeout: 120_000,
+	},
+});