feat(lint): enforce no-chained-type-assertions (#124119)

test/fixtures/oxlint-boundary-guards/chained-type-assertions-violation.ts

@@ -0,0 +1,8 @@
+declare const input: unknown;
+
+input as unknown as { readonly id: string };
+input as object as Record<string, unknown> as { readonly id: string };
+<{ readonly id: string }>(input as object);
+
+input as { readonly id: string };
+({ id: "fixture" }) as const as const;

test/scripts/oxlint-boundary-guards.test.ts

@@ -18,6 +18,11 @@ const cases = [
     violation: `${FIXTURES}/widen-then-assert-violation.test.ts`,
     violations: 3,
   },
+  {
+    rule: "openclaw-boundaries/no-chained-type-assertions",
+    violation: `${FIXTURES}/chained-type-assertions-violation.ts`,
+    violations: 3,
+  },
 ];
 
 function runGuard(target: string) {

test/scripts/run-additional-boundary-checks.test.ts

@@ -254,6 +254,14 @@ describe("run-additional-boundary-checks", () => {
     });
   });
 
+  it("keeps chained-type-assertions lint in CI boundary checks", () => {
+    expect(BOUNDARY_CHECKS).toContainEqual({
+      label: "lint:no-chained-type-assertions",
+      command: "pnpm",
+      args: ["run", "lint:no-chained-type-assertions"],
+    });
+  });
+
   it("keeps the Telegram grammY type import guard in source boundary checks", () => {
     expect(BOUNDARY_CHECKS).toContainEqual({
       label: "lint:extensions:telegram-grammy-types",