feat: add scoped history and artifacts

src/product/investigation-report.ts

@@ -1,5 +1,6 @@
 import { z } from "zod";
 import { supplyLayerSchema } from "./task-presentation.js";
+import { answerUiBlockSchema } from "../chat/answer-ui.js";
 
 const text = z.string().trim().min(1);
 export const investigationDiagramSchema = z.object({
@@ -54,8 +55,22 @@ export const taskReportSchema = z.object({
   stop_reason: text.nullable().default(null),
   data_gaps: z.array(dataGapSchema),
   diagram: investigationDiagramSchema.nullish(),
+  ui_blocks: z.array(z.object({
+    block: answerUiBlockSchema,
+    evidence_refs: z.array(text.max(128)).min(1).max(100),
+  }).strict()).max(8).optional(),
 }).strict().superRefine((report, ctx) => {
   const invalid = (message: string) => ctx.addIssue({ code: z.ZodIssueCode.custom, message });
+  const blocks = report.ui_blocks ?? [];
+  if (Buffer.byteLength(JSON.stringify(blocks), "utf8") > 400000) invalid("报告交互内容超过 400 KB");
+  if (new Set(blocks.map((item) => item.block.block_id)).size !== blocks.length) invalid("报告界面块编号重复");
+  for (const item of blocks) {
+    if (item.evidence_refs.some((ref) => !report.evidence_refs.includes(ref))) invalid("界面依据必须属于报告依据");
+    for (const node of Object.values(item.block.spec.elements)) {
+      if (node.type === "Evidence" && !item.evidence_refs.includes(String(node.props.evidence_id ?? "")))
+        invalid("证据组件必须引用界面块的已有依据");
+    }
+  }
   if (new Set(report.data_gaps.map((gap) => gap.gap_id)).size !== report.data_gaps.length) invalid("数据缺口编号重复");
   const blocking = report.data_gaps.some((gap) => gap.blocking);
   if (report.outcome === "insufficient_data") {