story-kit: merge 247_story_human_qa_gate_with_rejection_flow

frontend/src/api/client.ts

@@ -33,6 +33,8 @@ export interface PipelineStageItem {
 	error: string | null;
 	merge_failure: string | null;
 	agent: AgentAssignment | null;
+	review_hold: boolean | null;
+	manual_qa: boolean | null;
 }
 
 export interface PipelineState {
@@ -312,8 +314,42 @@ export const api = {
 			baseUrl,
 		);
 	},
+	/** Approve a story in QA, moving it to merge. */
+	approveQa(storyId: string) {
+		return callMcpTool("approve_qa", { story_id: storyId });
+	},
+	/** Reject a story in QA, moving it back to current with notes. */
+	rejectQa(storyId: string, notes: string) {
+		return callMcpTool("reject_qa", { story_id: storyId, notes });
+	},
+	/** Launch the QA app for a story's worktree. */
+	launchQaApp(storyId: string) {
+		return callMcpTool("launch_qa_app", { story_id: storyId });
+	},
 };
 
+async function callMcpTool(
+	toolName: string,
+	args: Record<string, unknown>,
+): Promise<string> {
+	const res = await fetch("/mcp", {
+		method: "POST",
+		headers: { "Content-Type": "application/json" },
+		body: JSON.stringify({
+			jsonrpc: "2.0",
+			id: 1,
+			method: "tools/call",
+			params: { name: toolName, arguments: args },
+		}),
+	});
+	const json = await res.json();
+	if (json.error) {
+		throw new Error(json.error.message);
+	}
+	const text = json.result?.content?.[0]?.text ?? "";
+	return text;
+}
+
 export class ChatWebSocket {
 	private static sharedSocket: WebSocket | null = null;
 	private static refCount = 0;