feat(tests): types and API client for red/blue review workflow

frontend/src/api/tests.ts

@@ -197,6 +197,31 @@ export async function startBlueWork(testId: string): Promise<Test> {
   return data;
 }
 
+// ── Lead Review Gates (red_review / blue_review) ────────────────────
+
+export interface RedReviewPayload {
+  decision: "approve" | "reopen";
+  notes?: string;
+}
+
+export interface BlueReviewPayload {
+  decision: "approve" | "reopen" | "gap";
+  notes?: string;
+  system_gaps?: string;
+}
+
+/** Assigned Red Lead approves or reopens a test sitting in red_review. */
+export async function reviewAsRedLead(testId: string, payload: RedReviewPayload): Promise<Test> {
+  const { data } = await client.post<Test>(`/tests/${testId}/review-red`, payload);
+  return data;
+}
+
+/** Assigned Blue Lead approves, reopens, or flags a capability gap on a test in blue_review. */
+export async function reviewAsBlueLead(testId: string, payload: BlueReviewPayload): Promise<Test> {
+  const { data } = await client.post<Test>(`/tests/${testId}/review-blue`, payload);
+  return data;
+}
+
 // ── Lead Validation ────────────────────────────────────────────────
 
 /** Red Lead approves/rejects the red side. */