feat(agent): render local interactive answers and fold completed process

src/features/agent/frontend-action/chart.test.ts

@@ -0,0 +1,13 @@
+import { describe, expect, it } from "vitest";
+import { parseFrontendChart } from "./chart";
+
+describe("frontend chart boundary", () => {
+  const chart = { title: "压力", chart_type: "line", x_data: ["t1", "t2"], series: [{ name: "D1", data: [20, 21] }] };
+  it("accepts finite aligned series and rejects code, unaligned data and excessive points", () => {
+    expect(parseFrontendChart(chart)).not.toBeNull();
+    expect(parseFrontendChart({ ...chart, formatter: "function(){}" })).toBeNull();
+    expect(parseFrontendChart({ ...chart, series: [{ name: "D1", data: [20] }] })).toBeNull();
+    expect(parseFrontendChart({ ...chart, series: [{ name: "D1", data: [20, Infinity] }] })).toBeNull();
+    expect(parseFrontendChart({ ...chart, x_data: Array(101).fill("t") })).toBeNull();
+  });
+});

src/features/agent/frontend-action/chart.ts

@@ -0,0 +1,11 @@
+import { z } from "zod";
+
+const chartSchema = z.object({
+  title: z.string().max(200), chart_type: z.enum(["line", "bar"]),
+  x_data: z.array(z.string().max(128)).min(1).max(100),
+  series: z.array(z.object({ name: z.string().max(128), data: z.array(z.number().finite()).min(1).max(100) }).strict()).min(1).max(8),
+}).strict().refine((value) => value.series.every((series) => series.data.length === value.x_data.length));
+export const parseFrontendChart = (value: unknown) => {
+  const parsed = chartSchema.safeParse(value);
+  return parsed.success ? parsed.data : null;
+};