test(core-eslint): anchor-presence CI guard for // <gen:*> comments

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

packages/core-eslint/anchors.test.js

@@ -0,0 +1,29 @@
+import { describe, it, expect } from "vitest";
+import { readFileSync } from "node:fs";
+import { join, dirname } from "node:path";
+import { fileURLToPath } from "node:url";
+
+const __dirname = dirname(fileURLToPath(import.meta.url));
+const REPO_ROOT = join(__dirname, "..", "..");
+const FEATURES = ["auth", "blog", "media", "marketing-pages", "navigation"];
+const ANCHORS = {
+  "src/index.ts": ["// <gen:events>"],
+  "src/di/symbols.ts": ["// <gen:event-handler-symbols>", "// <gen:job-symbols>"],
+  "src/di/bind-production.ts": ["// <gen:event-handlers>", "// <gen:jobs>"],
+  "src/di/bind-dev-seed.ts": ["// <gen:event-handlers>", "// <gen:jobs>"],
+  "src/integrations/cms/index.ts": ["// <gen:job-tasks>"],
+};
+
+describe("// <gen:*> anchor presence in feature packages", () => {
+  for (const feature of FEATURES) {
+    for (const [relPath, anchors] of Object.entries(ANCHORS)) {
+      it(`packages/${feature}/${relPath} contains all required anchors`, () => {
+        const path = join(REPO_ROOT, "packages", feature, relPath);
+        const content = readFileSync(path, "utf8");
+        for (const anchor of anchors) {
+          expect(content).toContain(anchor);
+        }
+      });
+    }
+  }
+});