feat: 优化会商公开分享页，展示总控结论与各席位交付

公开分享页拆分为落地页与独立报告页，后端补充 consensus_text 与 seat_deliveries 字段。

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend-web/src/App.tsx

@@ -64,11 +64,15 @@ export function App() {
           <Route path="/landing" element={<LandingPage />} />
           {/* Public read-only conversation viewer — no authentication. */}
           <Route path="/share/:shareCode" element={<PublicSharePage />} />
-          {/* Public read-only roundtable result viewer — no authentication. */}
+          {/* Public read-only roundtable share — landing + full result report. */}
           <Route
             path="/roundtable-share/:shareCode"
             element={<PublicRoundtableSharePage />}
           />
+          <Route
+            path="/roundtable-share/:shareCode/report"
+            element={<PublicRoundtableSharePage report />}
+          />
           {/* Public read-only scheduled-task runs viewer — no authentication. */}
           <Route
             path="/public/scheduled-tasks/:taskId"

frontend-web/src/core/roundtable-draft-shares/api.ts

@@ -22,11 +22,21 @@ export interface DraftShare {
   created_at: string | null;
 }
 
+/** One sub-agent's final delivery from the Step 2 roundtable. */
+export interface PublicDraftSeatDelivery {
+  sender: string;
+  content: string;
+}
+
 /** Read-only roundtable-result snapshot returned by the public view-share endpoint. */
 export interface PublicDraftShareSnapshot {
   share_code: string;
   title: string;
   mode: string;
+  /** 总控最终结论 (markdown). */
+  consensus_text: string;
+  /** 各席位最终交付. */
+  seat_deliveries: PublicDraftSeatDelivery[];
   /** Self-contained Step 3 result report HTML (empty when no report exists). */
   html: string;
   summary: string | null;

frontend-web/src/pages/PublicRoundtableSharePage.tsx

@@ -1,21 +1,100 @@
 "use client";
 
 import { useQuery } from "@tanstack/react-query";
-import { Loader2 } from "lucide-react";
+import {
+  BarChart3,
+  CheckCircle,
+  ChevronDown,
+  ChevronRight,
+  ExternalLink,
+  FileText,
+  Loader2,
+} from "lucide-react";
+import { useState } from "react";
+import ReactMarkdown from "react-markdown";
 import { useParams } from "react-router-dom";
+import remarkGfm from "remark-gfm";
 
-import { getPublicDraftShareSnapshot } from "@/core/roundtable-draft-shares/api";
+import {
+  getPublicDraftShareSnapshot,
+  type PublicDraftSeatDelivery,
+} from "@/core/roundtable-draft-shares/api";
+import { markdownComponents } from "@/roundtable-planning/components/markdown-components";
+
+/** 各席位最终交付 —— 折叠手风琴（仿 HighFidelityReport 第二区块）。 */
+function SeatDeliveries({ seats }: { seats: PublicDraftSeatDelivery[] }) {
+  const [expanded, setExpanded] = useState<Set<number>>(() => new Set());
+  const toggle = (i: number) =>
+    setExpanded((prev) => {
+      const next = new Set(prev);
+      if (next.has(i)) next.delete(i);
+      else next.add(i);
+      return next;
+    });
+
+  if (seats.length === 0) {
+    return (
+      <p className="text-[11px] text-slate-400 italic">本次会商暂无子智能体交付。</p>
+    );
+  }
+  return (
+    <div className="space-y-2">
+      {seats.map((seat, idx) => {
+        const open = expanded.has(idx);
+        return (
+          <div key={`${seat.sender}-${idx}`} className="border border-slate-200 rounded-xl overflow-hidden">
+            <button
+              type="button"
+              onClick={() => toggle(idx)}
+              className="w-full flex items-center justify-between gap-2 px-3 py-2.5 bg-slate-50 hover:bg-slate-100 transition text-left"
+            >
+              <div className="flex items-center gap-2 min-w-0">
+                {open ? (
+                  <ChevronDown className="w-3.5 h-3.5 text-slate-500 shrink-0" />
+                ) : (
+                  <ChevronRight className="w-3.5 h-3.5 text-slate-500 shrink-0" />
+                )}
+                <span className="text-[11.5px] font-bold text-slate-800 truncate">
+                  {seat.sender || "未命名席位"}
+                </span>
+              </div>
+              <span className="text-[10px] text-slate-400 font-mono shrink-0">
+                {seat.content.length} 字
+              </span>
+            </button>
+            {open && (
+              <div className="px-4 py-3 text-xs text-slate-700 leading-relaxed border-t border-slate-100 bg-white">
+                <ReactMarkdown remarkPlugins={[remarkGfm]} components={markdownComponents}>
+                  {seat.content || "(空)"}
+                </ReactMarkdown>
+              </div>
+            )}
+          </div>
+        );
+      })}
+    </div>
+  );
+}
 
 /**
  * Public, read-only roundtable-result viewer.
  *
  * Reachable at `#/roundtable-share/<code>` with NO authentication — anyone with
- * the link can open it. It renders the Step 3「结果绘制」report (a self-contained
- * HTML document) inside a sandboxed iframe with no `allow-scripts`, mirroring the
- * scheduled-task HTML-page preview, so a shared report can never execute code in
- * the app origin.
+ * the link can open it. Two views, driven by the `report` prop / route:
+ *
+ * - landing (`#/roundtable-share/<code>`): a read-only result page mirroring the
+ *   in-app Step 3「最终方案展示」— 总控最终结论 + 各席位最终交付 + a 「查看结果绘制」
+ *   button that opens the full report in a NEW TAB (when one was generated).
+ * - report (`#/roundtable-share/<code>/report`): the Step 3 report (a
+ *   self-contained HTML document) rendered full-screen inside a sandboxed
+ *   `iframe` (no `allow-scripts`), so the agent-generated HTML can never execute
+ *   code in the app origin.
  */
-export default function PublicRoundtableSharePage() {
+export default function PublicRoundtableSharePage({
+  report = false,
+}: {
+  report?: boolean;
+}) {
   const { shareCode } = useParams<{ shareCode: string }>();
 
   const { data, isLoading, isError } = useQuery({
@@ -46,37 +125,113 @@ export default function PublicRoundtableSharePage() {
     );
   }
 
-  return (
-    <div className="bg-background flex h-screen flex-col">
-      <header className="flex shrink-0 flex-col gap-1 border-b px-6 py-3">
-        <div className="flex items-center gap-2">
+  // ── 报告页：整页沙箱 iframe 展示第 3 步结果绘制 ──────────────────────────────
+  if (report) {
+    return (
+      <div className="bg-background flex h-screen flex-col">
+        <header className="flex shrink-0 items-center gap-2 border-b px-6 py-3">
           <h1 className="truncate text-base font-semibold">
             {data.title || "未命名会商"}
           </h1>
           <span className="bg-muted text-muted-foreground shrink-0 rounded-full px-2 py-0.5 text-xs">
+            结果绘制 · 只读
+          </span>
+        </header>
+        <main className="min-h-0 flex-1">
+          {data.has_report ? (
+            <iframe
+              // No `allow-scripts` — the report is self-contained (inline CSS +
+              // inline SVG charts) and must never run as a script in the app origin.
+              sandbox=""
+              title={data.title || "会商结果报告"}
+              srcDoc={data.html}
+              className="size-full border-0 bg-white"
+            />
+          ) : (
+            <div className="text-muted-foreground flex h-full flex-col items-center justify-center gap-2 px-6 text-center text-sm">
+              <p className="text-base font-medium text-foreground">暂无结果报告</p>
+              <p>这次会商还没有生成第三步「结果绘制」的方案报告。</p>
+            </div>
+          )}
+        </main>
+      </div>
+    );
+  }
+
+  // ── 落地页：总控最终结论 + 各席位最终交付 + 查看结果绘制（新标签打开报告页）─────
+  const reportUrl = `${window.location.origin}${window.location.pathname}#/roundtable-share/${shareCode}/report`;
+
+  return (
+    <div className="bg-[#fef6f6] flex h-screen flex-col text-slate-800">
+      <header className="flex shrink-0 flex-col gap-1 border-b border-slate-100 bg-white px-6 py-3">
+        <div className="flex items-center gap-2">
+          <h1 className="truncate text-base font-semibold">
+            {data.title || "未命名会商"}
+          </h1>
+          <span className="bg-slate-100 text-slate-500 shrink-0 rounded-full px-2 py-0.5 text-xs">
             只读分享
           </span>
         </div>
-        <p className="text-muted-foreground text-xs">
-          这是一份多智能体会商的结果报告快照（只读），你可以查看全部内容，但无法继续研讨。
+        <p className="text-slate-400 text-xs">
+          这是一份多智能体会商的结果分享（只读）。
         </p>
       </header>
-      <main className="min-h-0 flex-1">
-        {data.has_report ? (
-          <iframe
-            // No `allow-scripts` — the report is self-contained (inline CSS + inline
-            // SVG charts) and must never run as a script in the app origin.
-            sandbox=""
-            title={data.title || "会商结果报告"}
-            srcDoc={data.html}
-            className="size-full border-0 bg-white"
-          />
-        ) : (
-          <div className="text-muted-foreground flex h-full flex-col items-center justify-center gap-2 px-6 text-center text-sm">
-            <p className="text-base font-medium text-foreground">暂无结果报告</p>
-            <p>这次会商还没有生成第三步「结果绘制」的方案报告。</p>
-          </div>
-        )}
+
+      <main className="min-h-0 flex-1 overflow-y-auto">
+        <div className="mx-auto w-full max-w-6xl space-y-6 p-6">
+          {/* 1. 结果绘制 —— 新标签打开报告页 */}
+          <section className="bg-white border border-slate-200 rounded-2xl p-5 shadow-[0_2px_8px_rgba(0,0,0,0.02)]">
+            <h4 className="text-xs font-black text-slate-900 uppercase tracking-widest mb-3 flex items-center gap-2">
+              <BarChart3 className="w-4 h-4 text-primary" />
+              结果绘制
+            </h4>
+            {data.has_report ? (
+              <a
+                href={reportUrl}
+                target="_blank"
+                rel="noopener noreferrer"
+                className="bg-primary text-white hover:bg-[var(--brand-900)] inline-flex items-center gap-2 rounded-xl px-5 py-2.5 text-sm font-semibold transition shadow-sm shadow-primary/10"
+              >
+                <BarChart3 className="size-4" />
+                查看结果绘制
+                <ExternalLink className="size-3.5 opacity-80" />
+              </a>
+            ) : (
+              <p className="text-[11px] text-slate-400 italic">
+                这次会商还没有生成第三步「结果绘制」的方案报告。
+              </p>
+            )}
+          </section>
+
+          {/* 2. 总控最终结论 */}
+          <section className="bg-white border border-slate-200 rounded-2xl p-5 shadow-[0_2px_8px_rgba(0,0,0,0.02)]">
+            <h4 className="text-xs font-black text-slate-900 uppercase tracking-widest mb-3 flex items-center gap-2">
+              <CheckCircle className="w-4 h-4 text-emerald-500 shrink-0" />
+              总控最终结论
+            </h4>
+            {data.consensus_text ? (
+              <div className="text-xs text-slate-700 leading-relaxed">
+                <ReactMarkdown remarkPlugins={[remarkGfm]} components={markdownComponents}>
+                  {data.consensus_text}
+                </ReactMarkdown>
+              </div>
+            ) : (
+              <p className="text-[11px] text-slate-400 italic">暂无总控结论。</p>
+            )}
+          </section>
+
+          {/* 3. 各席位最终交付 */}
+          <section className="bg-white border border-slate-200 rounded-2xl p-5 shadow-[0_2px_8px_rgba(0,0,0,0.02)]">
+            <h4 className="text-xs font-black text-slate-900 uppercase tracking-widest mb-3 flex items-center gap-2">
+              <FileText className="w-4 h-4 text-primary" />
+              各席位最终交付
+              <span className="text-[10px] font-mono font-semibold text-slate-400 bg-slate-100 px-1.5 py-0.5 rounded">
+                {data.seat_deliveries.length}
+              </span>
+            </h4>
+            <SeatDeliveries seats={data.seat_deliveries} />
+          </section>
+        </div>
       </main>
     </div>
   );

offline-backend-20260512/backend/app/gateway/routers/roundtable_draft_shares.py

@@ -91,12 +91,28 @@ class ImportResultResponse(BaseModel):
     draft_id: str | None = Field(default=None, description="The new local draft id (when imported)")
 
 
+class SeatDeliveryItem(BaseModel):
+    """One sub-agent's final delivery from the Step 2 roundtable."""
+
+    sender: str = ""
+    content: str = ""
+
+
 class PublicDraftShareSnapshotResponse(BaseModel):
-    """Read-only roundtable-result snapshot served to anonymous viewers."""
+    """Read-only roundtable-result snapshot served to anonymous viewers.
+
+    Mirrors what the in-app Step 3「最终方案展示」(`HighFidelityReport`) shows, minus
+    the live per-seat output files (those need authenticated thread access):
+    总控最终结论 + 各席位最终交付 + the generated 结果绘制 report.
+    """
 
     share_code: str
     title: str = Field(..., description="Draft title")
     mode: str = Field(default="view")
+    # 总控最终结论 —— the coordinator's final consensus text (Step 2 lastLeaderContent).
+    consensus_text: str = Field(default="", description="Coordinator's final consensus (markdown)")
+    # 各席位最终交付 —— each sub-agent's final delivery, filtered from Step 2 dialogues.
+    seat_deliveries: list[SeatDeliveryItem] = Field(default_factory=list)
     # The Step 3「结果绘制」report — a self-contained HTML document. Empty when the
     # shared draft never reached / generated a result report.
     html: str = Field(default="", description="Self-contained Step 3 result report HTML")
@@ -240,6 +256,40 @@ async def import_share(
 # ---------------------------------------------------------------------------
 
 
+def _result_sections(draft: dict) -> tuple[str, list[dict[str, str]]]:
+    """Derive (总控最终结论, 各席位最终交付) from a draft's Step 2 snapshot.
+
+    Mirrors the frontend `Step3Panel`: the consensus is `step2.lastLeaderContent`
+    and each seat delivery is a Step 2 dialogue bubble tagged
+    ``confidence == "子智能体交付"``. Falls back to the active run's snapshot when
+    the top-level Step 2 fields are empty (multi-run drafts).
+    """
+    step2 = draft.get("step2") if isinstance(draft.get("step2"), dict) else {}
+    step2 = step2 or {}
+    consensus = step2.get("lastLeaderContent") or ""
+    dialogues = step2.get("step2RoundtableDialogues")
+    if not isinstance(dialogues, list):
+        dialogues = []
+
+    # Multi-run drafts keep the freshest content on the active run; use it when
+    # the top-level snapshot carries nothing.
+    if not consensus and not dialogues and isinstance(step2.get("runs"), list):
+        runs = [r for r in step2["runs"] if isinstance(r, dict)]
+        active_id = step2.get("activeRunId")
+        active = next((r for r in runs if r.get("id") == active_id), None) or (runs[0] if runs else None)
+        if active:
+            consensus = active.get("lastLeaderContent") or ""
+            d = active.get("step2RoundtableDialogues")
+            dialogues = d if isinstance(d, list) else []
+
+    seat_deliveries = [
+        {"sender": str(d.get("sender") or ""), "content": str(d.get("content") or "")}
+        for d in dialogues
+        if isinstance(d, dict) and d.get("confidence") == "子智能体交付"
+    ]
+    return consensus, seat_deliveries
+
+
 @public_router.get(
     "/{share_code}",
     response_model=PublicDraftShareSnapshotResponse,
@@ -265,10 +315,13 @@ async def get_public_draft_share_snapshot(
 
     step3 = draft.get("step3") if isinstance(draft.get("step3"), dict) else None
     html = (step3 or {}).get("html") or ""
+    consensus_text, seat_deliveries = _result_sections(draft)
     return PublicDraftShareSnapshotResponse(
         share_code=share_code,
         title=draft.get("title") or _UNTITLED,
         mode="view",
+        consensus_text=consensus_text,
+        seat_deliveries=[SeatDeliveryItem(**s) for s in seat_deliveries],
         html=html,
         summary=(step3 or {}).get("summary"),
         generated_at=(step3 or {}).get("generatedAt"),